HEADER    DE NOVO PROTEIN                         03-DEC-04   1Y66              
TITLE     DIOXANE CONTRIBUTES TO THE ALTERED CONFORMATION AND OLIGOMERIZATION   
TITLE    2 STATE OF A DESIGNED ENGRAILED HOMEODOMAIN VARIANT                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENGRAILED HOMEODOMAIN;                                     
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21-DE3;                                  
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET11A VARIANT                            
KEYWDS    PROTEIN DESIGN, DIOXANE, ENGRAILED HOMEODOMAIN, DE NOVO PROTEIN       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.K.HOM,J.K.LASSILA,L.M.THOMAS,S.L.MAYO                               
REVDAT   4   14-FEB-24 1Y66    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1Y66    1       VERSN                                    
REVDAT   2   24-MAY-05 1Y66    1       JRNL                                     
REVDAT   1   15-MAR-05 1Y66    0                                                
JRNL        AUTH   G.K.HOM,J.K.LASSILA,L.M.THOMAS,S.L.MAYO                      
JRNL        TITL   DIOXANE CONTRIBUTES TO THE ALTERED CONFORMATION AND          
JRNL        TITL 2 OLIGOMERIZATION STATE OF A DESIGNED ENGRAILED HOMEODOMAIN    
JRNL        TITL 3 VARIANT.                                                     
JRNL        REF    PROTEIN SCI.                  V.  14  1115 2005              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   15741348                                                     
JRNL        DOI    10.1110/PS.041277305                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.65 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.30                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 25624                          
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 + TEST SET) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1391                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.65                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.70                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1897                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.40                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1540                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 93                           
REMARK   3   BIN FREE R VALUE                    : 0.2150                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1594                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 66                                      
REMARK   3   SOLVENT ATOMS            : 169                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.12                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.01000                                              
REMARK   3    B22 (A**2) : -0.10000                                             
REMARK   3    B33 (A**2) : -0.91000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.130         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.102         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.053         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.076         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.952                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.936                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1651 ; 0.017 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2187 ; 1.527 ; 1.952       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   182 ; 3.927 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   100 ;33.853 ;24.300       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   296 ;15.450 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    14 ;20.403 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   222 ; 0.094 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1232 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   878 ; 0.243 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1150 ; 0.320 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   108 ; 0.182 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    44 ; 0.254 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    18 ; 0.138 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   943 ; 1.790 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1466 ; 2.805 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   765 ; 4.097 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   721 ; 6.054 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  1645 ; 2.555 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):     2 ; 6.602 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1562 ; 5.669 ; 3.000       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1Y66 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-DEC-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000031165.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-DEC-03; 03-JUN-04               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N; Y                               
REMARK 200  RADIATION SOURCE               : ROTATING ANODE; SSRL               
REMARK 200  BEAMLINE                       : NULL; BL9-2                        
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300; NULL                 
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418; 0.8265                     
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : MIRRORS; MONOCHROMETER             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE; CCD                   
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV; ADSC QUANTUM      
REMARK 200                                   315                                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27056                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.650                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL                        
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: MLPHARE                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: DIOXANE, SODIUM CITRATE, MES, PEG 400,   
REMARK 280  CADMIUM CHLORIDE, PH 5.5, VAPOR DIFFUSION, SITTING DROP,            
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       25.35600            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       41.09100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.32300            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       41.09100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.35600            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       26.32300            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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 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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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 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 A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     MET B     1                                                      
REMARK 465     LYS B     2                                                      
REMARK 465     GLN B     3                                                      
REMARK 465     TRP B     4                                                      
REMARK 465     ARG B    51                                                      
REMARK 465     LYS B    52                                                      
REMARK 465     MET C     1                                                      
REMARK 465     LYS C     2                                                      
REMARK 465     GLU C    47                                                      
REMARK 465     PHE C    48                                                      
REMARK 465     GLU C    49                                                      
REMARK 465     GLN C    50                                                      
REMARK 465     ARG C    51                                                      
REMARK 465     LYS C    52                                                      
REMARK 465     MET D     1                                                      
REMARK 465     LYS D     2                                                      
REMARK 465     GLN D     3                                                      
REMARK 465     TRP D     4                                                      
REMARK 465     ARG D    51                                                      
REMARK 465     LYS D    52                                                      
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     TRP A   4    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP A   4    CZ3  CH2                                            
REMARK 470     GLU A   6    CG   CD   OE1  OE2                                  
REMARK 470     GLU B   9    CG   CD   OE1  OE2                                  
REMARK 470     GLN B  50    CG   CD   OE1  NE2                                  
REMARK 470     GLN C  43    CG   CD   OE1  NE2                                  
REMARK 470     ARG C  46    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     SER D   5    OG                                                  
REMARK 470     GLU D   6    CG   CD   OE1  OE2                                  
REMARK 470     GLU D   9    CG   CD   OE1  OE2                                  
REMARK 470     ARG D  10    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLN D  50    CG   CD   OE1  NE2                                  
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ARG A   10   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A   11   CE   NZ                                             
REMARK 480     GLN A   43   CG   CD   OE1  NE2                                  
REMARK 480     GLU A   49   CG   CD   OE1  OE2                                  
REMARK 480     LYS A   52   CG   CD   CE   NZ                                   
REMARK 480     GLU B    6   CD   OE1  OE2                                       
REMARK 480     GLU B    7   CG   CD   OE1  OE2                                  
REMARK 480     LYS B   11   CE   NZ                                             
REMARK 480     GLN B   20   CD   OE1  NE2                                       
REMARK 480     GLN B   32   CD   OE1  NE2                                       
REMARK 480     LYS C   11   CE   NZ                                             
REMARK 480     GLN C   39   CD   OE1  NE2                                       
REMARK 480     VAL D    8   CG1  CG2                                            
REMARK 480     GLN D   43   OE1  NE2                                            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS A  52   CB    LYS A  52   CG     -0.406                       
REMARK 500    GLU B   6   CG    GLU B   6   CD     -0.167                       
REMARK 500    GLU B   7   CB    GLU B   7   CG      0.195                       
REMARK 500    GLN B  20   CG    GLN B  20   CD      0.272                       
REMARK 500    GLN B  32   CG    GLN B  32   CD      0.222                       
REMARK 500    VAL D   8   CB    VAL D   8   CG2     0.254                       
REMARK 500    GLN D  43   CD    GLN D  43   OE1     0.681                       
REMARK 500    GLN D  43   CD    GLN D  43   NE2     0.213                       
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    LYS A  52   CA  -  CB  -  CG  ANGL. DEV. =  21.3 DEGREES          
REMARK 500    GLU B   6   CG  -  CD  -  OE2 ANGL. DEV. = -18.3 DEGREES          
REMARK 500    VAL D   8   CG1 -  CB  -  CG2 ANGL. DEV. = -15.1 DEGREES          
REMARK 500    LEU D  12   CA  -  CB  -  CG  ANGL. DEV. =  14.1 DEGREES          
REMARK 500    GLN D  43   OE1 -  CD  -  NE2 ANGL. DEV. = -46.6 DEGREES          
REMARK 500    GLN D  43   CG  -  CD  -  OE1 ANGL. DEV. = -17.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    GLU B   6         0.16    SIDE CHAIN                              
REMARK 500    GLN D  43         0.26    SIDE CHAIN                              
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                              CD A 171  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  29   OE2                                                    
REMARK 620 2 GLU A  29   OE1  50.5                                              
REMARK 620 3 GLU B  29   OE1  84.1 109.6                                        
REMARK 620 4 GLU B  29   OE2 114.2  95.5  53.1                                  
REMARK 620 5 GLU C   6   OE2 132.0 162.8  87.4  97.1                            
REMARK 620 6 GLU C   6   OE1  80.1 122.6  89.1 134.9  52.5                      
REMARK 620 7 GLU C   9   OE2  95.1  80.4 165.5 138.4  82.4  76.6                
REMARK 620 8 GLU C   9   OE1 125.2  77.8 136.7  84.2  91.9 123.8  54.3          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD C 172  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  21   OE2                                                    
REMARK 620 2 GLU B  21   OE1  53.3                                              
REMARK 620 3 GLU C  29   OE2 130.2 169.8                                        
REMARK 620 4 GLU C  29   OE1  80.9 134.2  50.3                                  
REMARK 620 5 GLU D  29   OE2 127.0  86.2  84.9 127.1                            
REMARK 620 6 GLU D  29   OE1  86.9  82.7  87.8  94.7  51.6                      
REMARK 620 7 ACY D 191   OXT  92.4  92.5  96.7  90.5 125.7 174.6                
REMARK 620 8 ACY D 191   O   130.2  90.4  91.9 125.6  73.8 125.2  51.9          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 171                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD C 172                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO C 181                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO C 182                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO C 183                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO B 184                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO B 185                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO C 186                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO C 187                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO D 188                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO D 189                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO B 190                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY D 191                 
REMARK 999                                                                      
REMARK 999 SEQUENCE THE SEQUENCE OF THIS PROTEIN IS NOT AVAILABLE IN ANY        
REMARK 999 REFERENCE SEQUENCE DATABASE AT THE TIME OF PROCESSING.               
DBREF  1Y66 A    1    52  PDB    1Y66     1Y66             1     52             
DBREF  1Y66 B    1    52  PDB    1Y66     1Y66             1     52             
DBREF  1Y66 C    1    52  PDB    1Y66     1Y66             1     52             
DBREF  1Y66 D    1    52  PDB    1Y66     1Y66             1     52             
SEQRES   1 A   52  MET LYS GLN TRP SER GLU GLU VAL GLU ARG LYS LEU LYS          
SEQRES   2 A   52  GLU PHE VAL ARG ARG HIS GLN GLU ILE THR GLN GLU THR          
SEQRES   3 A   52  LEU HIS GLU TYR ALA GLN LYS LEU GLY LEU ASN GLN GLN          
SEQRES   4 A   52  ALA ILE GLU GLN PHE PHE ARG GLU PHE GLU GLN ARG LYS          
SEQRES   1 B   52  MET LYS GLN TRP SER GLU GLU VAL GLU ARG LYS LEU LYS          
SEQRES   2 B   52  GLU PHE VAL ARG ARG HIS GLN GLU ILE THR GLN GLU THR          
SEQRES   3 B   52  LEU HIS GLU TYR ALA GLN LYS LEU GLY LEU ASN GLN GLN          
SEQRES   4 B   52  ALA ILE GLU GLN PHE PHE ARG GLU PHE GLU GLN ARG LYS          
SEQRES   1 C   52  MET LYS GLN TRP SER GLU GLU VAL GLU ARG LYS LEU LYS          
SEQRES   2 C   52  GLU PHE VAL ARG ARG HIS GLN GLU ILE THR GLN GLU THR          
SEQRES   3 C   52  LEU HIS GLU TYR ALA GLN LYS LEU GLY LEU ASN GLN GLN          
SEQRES   4 C   52  ALA ILE GLU GLN PHE PHE ARG GLU PHE GLU GLN ARG LYS          
SEQRES   1 D   52  MET LYS GLN TRP SER GLU GLU VAL GLU ARG LYS LEU LYS          
SEQRES   2 D   52  GLU PHE VAL ARG ARG HIS GLN GLU ILE THR GLN GLU THR          
SEQRES   3 D   52  LEU HIS GLU TYR ALA GLN LYS LEU GLY LEU ASN GLN GLN          
SEQRES   4 D   52  ALA ILE GLU GLN PHE PHE ARG GLU PHE GLU GLN ARG LYS          
HET     CD  A 171       1                                                       
HET    DIO  B 184       6                                                       
HET    DIO  B 185       6                                                       
HET    DIO  B 190       6                                                       
HET     CD  C 172       1                                                       
HET    DIO  C 181       6                                                       
HET    DIO  C 182       6                                                       
HET    DIO  C 183       6                                                       
HET    DIO  C 186       6                                                       
HET    DIO  C 187       6                                                       
HET    DIO  D 188       6                                                       
HET    DIO  D 189       6                                                       
HET    ACY  D 191       4                                                       
HETNAM      CD CADMIUM ION                                                      
HETNAM     DIO 1,4-DIETHYLENE DIOXIDE                                           
HETNAM     ACY ACETIC ACID                                                      
FORMUL   5   CD    2(CD 2+)                                                     
FORMUL   6  DIO    10(C4 H8 O2)                                                 
FORMUL  17  ACY    C2 H4 O2                                                     
FORMUL  18  HOH   *169(H2 O)                                                    
HELIX    1   1 TRP A    4  ARG A   51  1                                  48    
HELIX    2   2 SER B    5  GLU B   47  1                                  43    
HELIX    3   3 SER C    5  PHE C   45  1                                  41    
HELIX    4   4 SER D    5  GLN D   50  1                                  46    
LINK         OE2 GLU A  29                CD    CD A 171     1555   1555  2.26  
LINK         OE1 GLU A  29                CD    CD A 171     1555   1555  2.75  
LINK        CD    CD A 171                 OE1 GLU B  29     1555   1555  2.54  
LINK        CD    CD A 171                 OE2 GLU B  29     1555   1555  2.32  
LINK        CD    CD A 171                 OE2 GLU C   6     1555   4566  2.47  
LINK        CD    CD A 171                 OE1 GLU C   6     1555   4566  2.48  
LINK        CD    CD A 171                 OE2 GLU C   9     1555   4566  2.45  
LINK        CD    CD A 171                 OE1 GLU C   9     1555   4566  2.42  
LINK         OE2 GLU B  21                CD    CD C 172     3655   1555  2.38  
LINK         OE1 GLU B  21                CD    CD C 172     3655   1555  2.49  
LINK         OE2 GLU C  29                CD    CD C 172     1555   1555  2.74  
LINK         OE1 GLU C  29                CD    CD C 172     1555   1555  2.24  
LINK        CD    CD C 172                 OE2 GLU D  29     1555   1555  2.24  
LINK        CD    CD C 172                 OE1 GLU D  29     1555   1555  2.77  
LINK        CD    CD C 172                 OXT ACY D 191     1555   1555  2.48  
LINK        CD    CD C 172                 O   ACY D 191     1555   1555  2.41  
CISPEP   1 PHE C   45    ARG C   46          0        -0.06                     
SITE     1 AC1  4 GLU A  29  GLU B  29  GLU C   6  GLU C   9                    
SITE     1 AC2  4 GLU B  21  GLU C  29  GLU D  29  ACY D 191                    
SITE     1 AC3  7 LEU A  12  GLN C   3  TRP C   4  SER C   5                    
SITE     2 AC3  7 VAL C   8  GLU C   9  DIO C 182                               
SITE     1 AC4  6 PHE B  45  TRP C   4  GLU C   9  LEU C  12                    
SITE     2 AC4  6 DIO C 181  DIO C 183                                          
SITE     1 AC5  6 PHE A  15  ILE B  41  HOH B 211  LYS C  13                    
SITE     2 AC5  6 DIO C 182  HOH C 209                                          
SITE     1 AC6  5 LEU B  27  TYR B  30  LEU B  34  HIS C  19                    
SITE     2 AC6  5 GLN C  20                                                     
SITE     1 AC7  6 THR A  26  LEU A  27  TYR A  30  THR B  26                    
SITE     2 AC7  6 LEU B  27  DIO C 186                                          
SITE     1 AC8  7 TYR A  30  DIO B 185  THR C  26  LEU C  27                    
SITE     2 AC8  7 TYR C  30  LEU D  27  TYR D  30                               
SITE     1 AC9  6 ASN C  37  ALA C  40  ILE C  41  LYS D  11                    
SITE     2 AC9  6 GLU D  14  PHE D  15                                          
SITE     1 BC1  5 LYS C  11  GLU C  14  ASN D  37  ALA D  40                    
SITE     2 BC1  5 ILE D  41                                                     
SITE     1 BC2  5 GLU A   9  LEU A  12  PHE D  45  PHE D  48                    
SITE     2 BC2  5 GLU D  49                                                     
SITE     1 BC3  5 LYS A  11  GLU A  14  ASN B  37  ALA B  40                    
SITE     2 BC3  5 ILE B  41                                                     
SITE     1 BC4  7 ARG B  17  ARG B  18  GLU B  21  GLU C  29                    
SITE     2 BC4  7  CD C 172  GLU D  29  LYS D  33                               
CRYST1   50.712   52.646   82.182  90.00  90.00  90.00 P 21 21 21   16          
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      0.019719  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018995  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012168        0.00000