HEADER    RNA-BINDING PROTEIN/RNA                 04-SEP-03   1UN6              
TITLE     THE CRYSTAL STRUCTURE OF A ZINC FINGER - RNA COMPLEX REVEALS TWO MODES
TITLE    2 OF MOLECULAR RECOGNITION                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSCRIPTION FACTOR IIIA;                                 
COMPND   3 CHAIN: B, C, D;                                                      
COMPND   4 FRAGMENT: FINGERS 4,5 AND 6, RESIDUES 127 - 212 UNDER SWISSPROT      
COMPND   5 NUMBERING FOR SOMATIC TFIIIA;                                        
COMPND   6 SYNONYM: TFIIIA, FACTOR A, S-TFIIIA/O-TFIIIA;                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: 5S RIBOSOMAL RNA;                                          
COMPND  10 CHAIN: E, F;                                                         
COMPND  11 FRAGMENT: CENTRAL REGION, NUCLEOTIDES 4 - 15,64 -82,94-115, PLUS TWO 
COMPND  12 TETRALOOPS JOINING 15 - 64 AND 82 -94 RESPECTIVELY;                  
COMPND  13 OTHER_DETAILS: UACG TETRALOOP LINKING NUCLEOTIDES 15 AND 64, GAAA    
COMPND  14 TETRALOOP LINKING NUCLEOTIDES 82 AND 94                              
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS;                                 
SOURCE   3 ORGANISM_COMMON: AFRICAN CLAWED FROG;                                
SOURCE   4 ORGANISM_TAXID: 8355;                                                
SOURCE   5 ORGAN: OVARY;                                                        
SOURCE   6 CELL: OOCYTE;                                                        
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET13A3F;                                 
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS;                                 
SOURCE  13 ORGANISM_COMMON: AFRICAN CLAWED FROG;                                
SOURCE  14 ORGANISM_TAXID: 8355;                                                
SOURCE  15 ORGAN: OVARY;                                                        
SOURCE  16 CELL: OOCYTE;                                                        
SOURCE  17 OTHER_DETAILS: IN VITRO TRANSCRIPTION TO PRODUCE THE RNA             
KEYWDS    RNA-BINDING PROTEIN/RNA, COMPLEX(ZINC FINGER-RNA), TFIIIA, 5S         
KEYWDS   2 RIBOSOMAL RNA, ZINC FINGER, RNA-PROTEIN COMPLEX, X. LAEVIS,          
KEYWDS   3 TRANSCRIPTION REGULATION, RNA-BINDING, DNA-BINDING, NUCLEAR PROTEIN, 
KEYWDS   4 RNA-BINDING PROTEIN-RNA COMPLEX                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.LU,M.A.SEARLES,A.KLUG                                               
REVDAT   6   08-MAY-24 1UN6    1       REMARK LINK                              
REVDAT   5   24-FEB-09 1UN6    1       VERSN                                    
REVDAT   4   14-JUN-06 1UN6    1       ATOM                                     
REVDAT   3   07-JUL-04 1UN6    1       REMARK                                   
REVDAT   2   23-JUN-04 1UN6    1       REMARK                                   
REVDAT   1   20-NOV-03 1UN6    0                                                
JRNL        AUTH   D.LU,M.A.SEARLES,A.KLUG                                      
JRNL        TITL   CRYSTAL STRUCTURE OF A ZINC-FINGER-RNA COMPLEX REVEALS TWO   
JRNL        TITL 2 MODES OF MOLECULAR RECOGNITION                               
JRNL        REF    NATURE                        V. 426    96 2003              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   14603324                                                     
JRNL        DOI    10.1038/NATURE02088                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.A.SEARLES,D.LU,A.KLUG                                      
REMARK   1  TITL   THE ROLE OF THE CENTRAL ZINC FINGERS OF TRANSCRIPTION FACTOR 
REMARK   1  TITL 2 IIIA IN BINDING TO 5S RNA                                    
REMARK   1  REF    J.MOL.BIOL.                   V. 301    47 2000              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   10926492                                                     
REMARK   1  DOI    10.1006/JMBI.2000.3946                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.19                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2782617.750                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 15266                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.216                           
REMARK   3   FREE R VALUE                     : 0.259                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 754                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.009                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.29                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2385                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3220                       
REMARK   3   BIN FREE R VALUE                    : 0.3620                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 139                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.031                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1909                                    
REMARK   3   NUCLEIC ACID ATOMS       : 2608                                    
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 16                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 92.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 5.94000                                              
REMARK   3    B22 (A**2) : 0.10000                                              
REMARK   3    B33 (A**2) : -6.04000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 4.94000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.39                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.50                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.49                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.64                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 28.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.380                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.590 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.880 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.650 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.730 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.27                                                 
REMARK   3   BSOL        : 35.89                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA-MULTI-ENDO.PARAM                       
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA-MULTI-ENDO.TOP                         
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFMAC5 WAS USED TO REACH R=0.2 AND       
REMARK   3  RFREE=0.3, THEN THE MODEL WAS REFINED IN CNS.                       
REMARK   4                                                                      
REMARK   4 1UN6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-SEP-03.                  
REMARK 100 THE DEPOSITION ID IS D_1290013433.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-OCT-02; NULL                    
REMARK 200  TEMPERATURE           (KELVIN) : 100.0; NULL                        
REMARK 200  PH                             : 5.60                               
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : ESRF; SRS                          
REMARK 200  BEAMLINE                       : BM30A; PX14.2                      
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.28200, 1.28347, 1.0426; 0.979    
REMARK 200  MONOCHROMATOR                  : SI(111); NULL                      
REMARK 200  OPTICS                         : MIRRORS; NULL                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; NULL                          
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH; NULL                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15267                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 35.200                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.05100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.27                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD; NULL                                      
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: CCP4, SHELX, SHARP, CNS                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 8000, 200MM KCL, 5MM MGCL2,      
REMARK 280  50MM MES, PH 5.6, 3MM DTT, 0.3MM ZNSO4, PH 5.60                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       29.29900            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       95.79650            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       29.29900            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       95.79650            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE ENTRY CONTAINS TWO COPIES OF THE RNA-                    
REMARK 300  PROTEIN COMPLEXAND AN EXTRA PROTEIN WITH CHAIN                      
REMARK 300  IDENTIFIER D. THE TWOCOPIES OF RNA ARE IN CHAIN                     
REMARK 300   IDENTIFIERS E AND F, AND THE TWOCOPIES OF THE                      
REMARK 300   PROTEIN IN THE COMPLEXES ARE IN THE                                
REMARK 300  CHAINIDENTIFIERS B AND C.THE DIMER DESCRIBED IN                     
REMARK 300  REMARK 350 DOES NOT REFLECTA BIOLOGICALLY FUNCTIONAL                
REMARK 300   DIMER.                                                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, E                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D, F                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ACTS BOTH AS A POSITIVE TRANSCRIPTION FACTOR FOR 5S RNA              
REMARK 400  GENES AND A SPECIFIC RNA BINDING PROTEIN THAT COMPLEXES WITH 5S     
REMARK 400  RNA IN OOCYTES TO FORM THE 7S RIBONUCLEOPROTEIN STORAGE PARTICLE.   
REMARK 400  COULD PLAY AN ESSENTIAL ROLE IN THE DEVELOPMENTAL CHANGE IN 5S RNA  
REMARK 400  GENE EXPRESSION.                                                    
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET D   104                                                      
REMARK 465     TYR D   105                                                      
REMARK 465     VAL D   106                                                      
REMARK 465     CYS D   107                                                      
REMARK 465     HIS D   108                                                      
REMARK 465     PHE D   109                                                      
REMARK 465     GLU D   110                                                      
REMARK 465     ASN D   111                                                      
REMARK 465     CYS D   112                                                      
REMARK 465     GLY D   113                                                      
REMARK 465     LYS D   114                                                      
REMARK 465     ALA D   115                                                      
REMARK 465     PHE D   116                                                      
REMARK 465     LYS D   117                                                      
REMARK 465     LYS D   118                                                      
REMARK 465     HIS D   119                                                      
REMARK 465     ASN D   120                                                      
REMARK 465     GLN D   121                                                      
REMARK 465     LEU D   122                                                      
REMARK 465     LYS D   123                                                      
REMARK 465     VAL D   124                                                      
REMARK 465     HIS D   125                                                      
REMARK 465     GLN D   126                                                      
REMARK 465     PHE D   127                                                      
REMARK 465     SER D   128                                                      
REMARK 465     HIS D   129                                                      
REMARK 465     THR D   130                                                      
REMARK 465     GLN D   131                                                      
REMARK 465     GLN D   132                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASP B 190    CA   C    O    CB   CG   OD1  OD2                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    VAL D   158     N    ALA D   160              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO B 134   C   -  N   -  CA  ANGL. DEV. =  10.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    PHE B 109     -179.62    -63.81                                   
REMARK 500    ASN B 111       13.14     80.18                                   
REMARK 500    CYS B 112     -121.73   -104.89                                   
REMARK 500    THR B 130      -34.69   -135.16                                   
REMARK 500    GLN B 131        2.10     83.83                                   
REMARK 500    ASP B 143       44.33   -104.12                                   
REMARK 500    LYS B 165       48.33    -85.70                                   
REMARK 500    ASP B 167       -8.30   -154.51                                   
REMARK 500    ASP B 168      -17.60     73.82                                   
REMARK 500    PHE C 109      -65.55    -25.69                                   
REMARK 500    GLU C 110       53.09   -145.85                                   
REMARK 500    LYS C 114      123.59    -17.64                                   
REMARK 500    THR C 130     -128.98     49.25                                   
REMARK 500    GLN C 131      -36.23   -174.11                                   
REMARK 500    ASP C 143       24.01    -62.86                                   
REMARK 500    VAL C 158      -76.68    -68.32                                   
REMARK 500    TYR C 162       61.57     98.80                                   
REMARK 500    ASP C 167      148.92    172.56                                   
REMARK 500    PRO D 134      -81.02    -75.18                                   
REMARK 500    TYR D 135       97.37    -33.26                                   
REMARK 500    VAL D 158     -145.57    -83.15                                   
REMARK 500    HIS D 159      -30.19     50.07                                   
REMARK 500    ALA D 160      100.39     74.16                                   
REMARK 500    CYS D 164       79.70    -59.15                                   
REMARK 500    LYS D 165       39.57    -75.85                                   
REMARK 500    LYS D 166     -158.65    -94.07                                   
REMARK 500    ASP D 167      106.04    -44.55                                   
REMARK 500    ASP D 168      101.88    -59.56                                   
REMARK 500    SER D 169      -12.74    175.35                                   
REMARK 500    HIS D 183      -75.19    -54.61                                   
REMARK 500    VAL D 184      -24.33    -36.55                                   
REMARK 500    CYS D 187      -74.56   -116.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 204  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 107   SG                                                     
REMARK 620 2 CYS B 112   SG   93.7                                              
REMARK 620 3 HIS B 125   NE2 106.7 107.5                                        
REMARK 620 4 HIS B 129   NE2 109.4 137.1 100.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 205  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 137   SG                                                     
REMARK 620 2 CYS B 142   SG  131.2                                              
REMARK 620 3 HIS B 155   NE2  92.8 107.4                                        
REMARK 620 4 HIS B 159   NE2  90.0 129.5  96.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 308  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 137   O                                                      
REMARK 620 2 HIS B 139   O    75.4                                              
REMARK 620 3 CYS B 142   O    84.3  88.4                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 206  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 164   SG                                                     
REMARK 620 2 CYS B 170   SG  110.8                                              
REMARK 620 3 HIS B 183   NE2 104.5 110.1                                        
REMARK 620 4 HIS B 188   NE2 104.2 122.2 103.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C 204  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C 107   SG                                                     
REMARK 620 2 CYS C 112   SG   79.4                                              
REMARK 620 3 HIS C 129   NE2 156.4  78.7                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C 205  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C 137   SG                                                     
REMARK 620 2 CYS C 142   SG  103.4                                              
REMARK 620 3 HIS C 155   NE2 110.3 117.1                                        
REMARK 620 4 HIS C 159   NE2 114.3 114.1  98.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG C 344  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C 137   O                                                      
REMARK 620 2 HIS C 139   O    81.4                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C 206  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C 164   SG                                                     
REMARK 620 2 CYS C 170   SG  114.8                                              
REMARK 620 3 HIS C 183   NE2  99.7  92.6                                        
REMARK 620 4 HIS C 188   NE2 112.2 125.4 105.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN D 205  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS D 137   SG                                                     
REMARK 620 2 CYS D 142   SG  113.8                                              
REMARK 620 3 HIS D 155   NE2 106.2 109.7                                        
REMARK 620 4 HIS D 159   NE2  99.3 123.1 103.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN D 206  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS D 164   SG                                                     
REMARK 620 2 HIS D 183   NE2 121.7                                              
REMARK 620 3 HIS D 188   NE2 115.6 117.9                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG F 309  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G F  66   O6                                                     
REMARK 620 2   G F 108   O6   70.7                                              
REMARK 620 3   U F 109   O4   65.5  64.1                                        
REMARK 620 N                    1     2                                         
REMARK 650                                                                      
REMARK 650 HELIX                                                                
REMARK 650 DETERMINATION METHOD: AUTHOR PROVIDED.                               
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: AUTHOR PROVIDED.                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 204                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 205                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 206                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 306                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 307                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 308                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 204                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 205                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 206                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 342                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 344                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 205                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 206                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG E 341                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG E 343                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG F 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG F 303                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG F 304                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG F 305                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG F 309                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1TF3   RELATED DB: PDB                                   
REMARK 900 TFIIIA FINGER 1-3 BOUND TO DEOXYRIBONUCLEIC ACID, NMR, 22 STRUCTURES 
REMARK 900 RELATED ID: 1TF6   RELATED DB: PDB                                   
REMARK 900 CO-CRYSTAL STRUCTURE OF XENOPUS TFIIIA ZINC FINGER DOMAIN BOUND TO   
REMARK 900 THE 5S RIBOSOMAL RIBONUCLEIC ACID GENE INTERNAL CONTROL REGION       
DBREF  1UN6 B  104   104  PDB    1UN6     1UN6           104    104             
DBREF  1UN6 B  105   190  UNP    P03001   TF3A_XENLA     127    212             
DBREF  1UN6 C  104   104  PDB    1UN6     1UN6           104    104             
DBREF  1UN6 C  105   190  UNP    P03001   TF3A_XENLA     127    212             
DBREF  1UN6 D  104   104  PDB    1UN6     1UN6           104    104             
DBREF  1UN6 D  105   190  UNP    P03001   TF3A_XENLA     127    212             
DBREF  1UN6 E    4   115  PDB    1UN6     1UN6             4    115             
DBREF  1UN6 F    4   115  PDB    1UN6     1UN6             4    115             
SEQRES   1 B   87  MET TYR VAL CYS HIS PHE GLU ASN CYS GLY LYS ALA PHE          
SEQRES   2 B   87  LYS LYS HIS ASN GLN LEU LYS VAL HIS GLN PHE SER HIS          
SEQRES   3 B   87  THR GLN GLN LEU PRO TYR GLU CYS PRO HIS GLU GLY CYS          
SEQRES   4 B   87  ASP LYS ARG PHE SER LEU PRO SER ARG LEU LYS ARG HIS          
SEQRES   5 B   87  GLU LYS VAL HIS ALA GLY TYR PRO CYS LYS LYS ASP ASP          
SEQRES   6 B   87  SER CYS SER PHE VAL GLY LYS THR TRP THR LEU TYR LEU          
SEQRES   7 B   87  LYS HIS VAL ALA GLU CYS HIS GLN ASP                          
SEQRES   1 C   87  MET TYR VAL CYS HIS PHE GLU ASN CYS GLY LYS ALA PHE          
SEQRES   2 C   87  LYS LYS HIS ASN GLN LEU LYS VAL HIS GLN PHE SER HIS          
SEQRES   3 C   87  THR GLN GLN LEU PRO TYR GLU CYS PRO HIS GLU GLY CYS          
SEQRES   4 C   87  ASP LYS ARG PHE SER LEU PRO SER ARG LEU LYS ARG HIS          
SEQRES   5 C   87  GLU LYS VAL HIS ALA GLY TYR PRO CYS LYS LYS ASP ASP          
SEQRES   6 C   87  SER CYS SER PHE VAL GLY LYS THR TRP THR LEU TYR LEU          
SEQRES   7 C   87  LYS HIS VAL ALA GLU CYS HIS GLN ASP                          
SEQRES   1 D   87  MET TYR VAL CYS HIS PHE GLU ASN CYS GLY LYS ALA PHE          
SEQRES   2 D   87  LYS LYS HIS ASN GLN LEU LYS VAL HIS GLN PHE SER HIS          
SEQRES   3 D   87  THR GLN GLN LEU PRO TYR GLU CYS PRO HIS GLU GLY CYS          
SEQRES   4 D   87  ASP LYS ARG PHE SER LEU PRO SER ARG LEU LYS ARG HIS          
SEQRES   5 D   87  GLU LYS VAL HIS ALA GLY TYR PRO CYS LYS LYS ASP ASP          
SEQRES   6 D   87  SER CYS SER PHE VAL GLY LYS THR TRP THR LEU TYR LEU          
SEQRES   7 D   87  LYS HIS VAL ALA GLU CYS HIS GLN ASP                          
SEQRES   1 E   61    G   C   C   G   G   C   C   A   C   A   C   C   U          
SEQRES   2 E   61    A   C   G   G   G   G   C   C   U   G   G   U   U          
SEQRES   3 E   61    A   G   U   A   C   C   U   G   G   G   A   A   A          
SEQRES   4 E   61    C   C   U   G   G   G   A   A   U   A   C   C   A          
SEQRES   5 E   61    G   G   U   G   C   C   G   G   C                          
SEQRES   1 F   61    G   C   C   G   G   C   C   A   C   A   C   C   U          
SEQRES   2 F   61    A   C   G   G   G   G   C   C   U   G   G   U   U          
SEQRES   3 F   61    A   G   U   A   C   C   U   G   G   G   A   A   A          
SEQRES   4 F   61    C   C   U   G   G   G   A   A   U   A   C   C   A          
SEQRES   5 F   61    G   G   U   G   C   C   G   G   C                          
HET     ZN  B 204       1                                                       
HET     ZN  B 205       1                                                       
HET     ZN  B 206       1                                                       
HET     MG  B 306       1                                                       
HET     MG  B 307       1                                                       
HET     MG  B 308       1                                                       
HET     ZN  C 204       1                                                       
HET     ZN  C 205       1                                                       
HET     ZN  C 206       1                                                       
HET     MG  C 342       1                                                       
HET     MG  C 344       1                                                       
HET     ZN  D 205       1                                                       
HET     ZN  D 206       1                                                       
HET     MG  E 341       1                                                       
HET     MG  E 343       1                                                       
HET     MG  F 301       1                                                       
HET     MG  F 302       1                                                       
HET     MG  F 303       1                                                       
HET     MG  F 304       1                                                       
HET     MG  F 305       1                                                       
HET     MG  F 309       1                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   6   ZN    8(ZN 2+)                                                     
FORMUL   9   MG    13(MG 2+)                                                    
FORMUL  27  HOH   *16(H2 O)                                                     
HELIX    1 BH4 HIS B  119  THR B  130  1                                  12    
HELIX    2 BH5 PRO B  149  ALA B  160  1                                  12    
HELIX    3 BH6 TRP B  177  HIS B  188  1                                  12    
HELIX    4 CH4 HIS C  119  THR C  130  1                                  12    
HELIX    5 CH5 PRO C  149  ALA C  160  1                                  12    
HELIX    6 CH6 TRP C  177  HIS C  188  1                                  12    
HELIX    7 DH5 PRO D  149  ALA D  160  1                                  12    
HELIX    8 DH6 TRP D  177  HIS D  188  1                                  12    
SHEET    1  BA 2 TYR B 105  VAL B 106  0                                        
SHEET    2  BA 2 ALA B 115  PHE B 116 -1  O  PHE B 116   N  TYR B 105           
SHEET    1  BB 2 TYR B 135  GLU B 136  0                                        
SHEET    2  BB 2 ARG B 145  PHE B 146 -1  O  PHE B 146   N  TYR B 135           
SHEET    1  BC 2 TYR B 162  PRO B 163  0                                        
SHEET    2  BC 2 VAL B 173  GLY B 174 -1  O  GLY B 174   N  TYR B 162           
SHEET    1  CA 2 TYR C 105  VAL C 106  0                                        
SHEET    2  CA 2 ALA C 115  PHE C 116 -1  O  PHE C 116   N  TYR C 105           
SHEET    1  CB 2 TYR C 135  GLU C 136  0                                        
SHEET    2  CB 2 ARG C 145  PHE C 146 -1  O  PHE C 146   N  TYR C 135           
SHEET    1  CC 2 TYR C 162  PRO C 163  0                                        
SHEET    2  CC 2 VAL C 173  GLY C 174 -1  O  GLY C 174   N  TYR C 162           
SHEET    1  DB 2 TYR D 135  GLU D 136  0                                        
SHEET    2  DB 2 ARG D 145  PHE D 146 -1  O  PHE D 146   N  TYR D 135           
SHEET    1  DC 2 TYR D 162  PRO D 163  0                                        
SHEET    2  DC 2 VAL D 173  GLY D 174 -1  O  GLY D 174   N  TYR D 162           
LINK         SG  CYS B 107                ZN    ZN B 204     1555   1555  2.45  
LINK         SG  CYS B 112                ZN    ZN B 204     1555   1555  2.39  
LINK         NE2 HIS B 125                ZN    ZN B 204     1555   1555  2.20  
LINK         NE2 HIS B 129                ZN    ZN B 204     1555   1555  1.97  
LINK         SG  CYS B 137                ZN    ZN B 205     1555   1555  2.40  
LINK         O   CYS B 137                MG    MG B 308     1555   1555  2.79  
LINK         O   HIS B 139                MG    MG B 308     1555   1555  3.07  
LINK         SG  CYS B 142                ZN    ZN B 205     1555   1555  2.25  
LINK         O   CYS B 142                MG    MG B 308     1555   1555  2.57  
LINK         NE2 HIS B 155                ZN    ZN B 205     1555   1555  2.38  
LINK         NE2 HIS B 159                ZN    ZN B 205     1555   1555  2.02  
LINK         O   PRO B 163                MG    MG B 307     1555   1555  2.92  
LINK         SG  CYS B 164                ZN    ZN B 206     1555   1555  2.24  
LINK         N   ASP B 168                MG    MG B 306     1555   1555  3.07  
LINK         SG  CYS B 170                ZN    ZN B 206     1555   1555  2.29  
LINK         NE2 HIS B 183                ZN    ZN B 206     1555   1555  2.30  
LINK         NE2 HIS B 188                ZN    ZN B 206     1555   1555  2.29  
LINK         SG  CYS C 107                ZN    ZN C 204     1555   1555  2.42  
LINK         SG  CYS C 112                ZN    ZN C 204     1555   1555  2.74  
LINK         NE2 HIS C 129                ZN    ZN C 204     1555   1555  2.63  
LINK         SG  CYS C 137                ZN    ZN C 205     1555   1555  2.45  
LINK         O   CYS C 137                MG    MG C 344     1555   1555  3.08  
LINK         O   HIS C 139                MG    MG C 344     1555   1555  2.74  
LINK         SG  CYS C 142                ZN    ZN C 205     1555   1555  2.39  
LINK         NE2 HIS C 155                ZN    ZN C 205     1555   1555  2.23  
LINK         NE2 HIS C 159                ZN    ZN C 205     1555   1555  2.10  
LINK         SG  CYS C 164                ZN    ZN C 206     1555   1555  2.36  
LINK         SG  CYS C 170                ZN    ZN C 206     1555   1555  2.32  
LINK         NE2 HIS C 183                ZN    ZN C 206     1555   1555  2.30  
LINK         NE2 HIS C 188                ZN    ZN C 206     1555   1555  2.21  
LINK         SG  CYS D 137                ZN    ZN D 205     1555   1555  2.44  
LINK         SG  CYS D 142                ZN    ZN D 205     1555   1555  2.41  
LINK         NE2 HIS D 155                ZN    ZN D 205     1555   1555  2.40  
LINK         NE2 HIS D 159                ZN    ZN D 205     1555   1555  2.27  
LINK         SG  CYS D 164                ZN    ZN D 206     1555   1555  2.71  
LINK         NE2 HIS D 183                ZN    ZN D 206     1555   1555  2.58  
LINK         NE2 HIS D 188                ZN    ZN D 206     1555   1555  2.27  
LINK         O6    G E  97                MG    MG E 343     1555   1555  3.12  
LINK         O6    G F  66                MG    MG F 309     1555   1555  3.15  
LINK         O6    G F  70                MG    MG F 305     1555   1555  3.10  
LINK         O6    G F 108                MG    MG F 309     1555   1555  3.01  
LINK         O4    U F 109                MG    MG F 309     1555   1555  2.91  
SITE     1 AC1  4 CYS B 107  CYS B 112  HIS B 125  HIS B 129                    
SITE     1 AC2  4 CYS B 137  CYS B 142  HIS B 155  HIS B 159                    
SITE     1 AC3  4 CYS B 164  CYS B 170  HIS B 183  HIS B 188                    
SITE     1 AC4  3 CYS B 164  ASP B 168  CYS B 170                               
SITE     1 AC5  2 PRO B 163  LYS B 165                                          
SITE     1 AC6  3 CYS B 137  HIS B 139  CYS B 142                               
SITE     1 AC7  4 CYS C 107  CYS C 112  HIS C 125  HIS C 129                    
SITE     1 AC8  4 CYS C 137  CYS C 142  HIS C 155  HIS C 159                    
SITE     1 AC9  4 CYS C 164  CYS C 170  HIS C 183  HIS C 188                    
SITE     1 BC1  1   G E   7                                                     
SITE     1 BC2  3 CYS C 137  HIS C 139  CYS C 142                               
SITE     1 BC3  4 CYS D 137  CYS D 142  HIS D 155  HIS D 159                    
SITE     1 BC4  4 CYS D 164  CYS D 170  HIS D 183  HIS D 188                    
SITE     1 BC5  1   G E 113                                                     
SITE     1 BC6  2   G E  97    G E  98                                          
SITE     1 BC7  1   G F  98                                                     
SITE     1 BC8  1   G F 114                                                     
SITE     1 BC9  1   G F 110                                                     
SITE     1 CC1  2   G F  70    G F  71                                          
SITE     1 CC2  4   G F  66    C F  67    G F 108    U F 109                    
CRYST1   58.598  191.593   79.770  90.00 101.51  90.00 C 1 2 1      12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017065  0.000000  0.003475        0.00000                         
SCALE2      0.000000  0.005219  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012793        0.00000