HEADER    CYTOKINE/RNA                            02-SEP-14   4R8I              
TITLE     HIGH RESOLUTION STRUCTURE OF A MIRROR-IMAGE RNA OLIGONUCLEOTIDE       
TITLE    2 APTAMER IN COMPLEX WITH THE CHEMOKINE CCL2                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: C-C MOTIF CHEMOKINE 2;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HC11, MONOCYTE CHEMOATTRACTANT PROTEIN 1, MONOCYTE          
COMPND   5 CHEMOTACTIC AND ACTIVATING FACTOR, MCAF, MONOCYTE CHEMOTACTIC PROTEIN
COMPND   6 1, MCP-1, MONOCYTE SECRETORY PROTEIN JE, SMALL-INDUCIBLE CYTOKINE A2;
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: MIRROR-IMAGE RNA OLIGONUCLEOTIDE APTAMER NOXE36;           
COMPND  10 CHAIN: B;                                                            
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CCL2, MCP1, SCYA2;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 SYNTHETIC: YES;                                                      
SOURCE  10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  11 ORGANISM_TAXID: 32630;                                               
SOURCE  12 OTHER_DETAILS: THE NOX-E36 L-OLIGONUCLEOTIDES WITH THE SEQUENCE 5'-  
SOURCE  13 GCACGUCCCUCACCGGUGCAAGUGAAGCCGUGGCUCUGCG-3' WERE SYNTHESIZED USING   
SOURCE  14 STANDARD PHOSPHORAMIDITE CHEMISTRY AT NOXXON PHARMA AG (BERLIN,      
SOURCE  15 GERMANY)                                                             
KEYWDS    APTAMER SPIEGELMER L-OLIGONUCLEOTIDE, CYTOKINE-RNA COMPLEX            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.OBERTHUER,J.ACHENBACH,A.GABDULKHAKOV,S.FALKE,K.BUCHNER,C.MAASCH,    
AUTHOR   2 D.REHDERS,S.KLUSSMANN,C.BETZEL                                       
REVDAT   3   30-OCT-24 4R8I    1       REMARK SEQADV LINK                       
REVDAT   2   06-MAY-15 4R8I    1       JRNL                                     
REVDAT   1   29-APR-15 4R8I    0                                                
JRNL        AUTH   D.OBERTHUR,J.ACHENBACH,A.GABDULKHAKOV,K.BUCHNER,C.MAASCH,    
JRNL        AUTH 2 S.FALKE,D.REHDERS,S.KLUSSMANN,C.BETZEL                       
JRNL        TITL   CRYSTAL STRUCTURE OF A MIRROR-IMAGE L-RNA APTAMER            
JRNL        TITL 2 (SPIEGELMER) IN COMPLEX WITH THE NATURAL L-PROTEIN TARGET    
JRNL        TITL 3 CCL2.                                                        
JRNL        REF    NAT COMMUN                    V.   6  6923 2015              
JRNL        REFN                   ESSN 2041-1723                               
JRNL        PMID   25901662                                                     
JRNL        DOI    10.1038/NCOMMS7923                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.05 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0073                                      
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) : 2.05                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 77.01                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 12058                          
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) : 0.205                           
REMARK   3   R VALUE            (WORKING SET) : 0.200                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1348                            
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) : 2.05                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.10                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 771                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 88.91                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2310                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 87                           
REMARK   3   BIN FREE R VALUE                    : 0.3020                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 544                                     
REMARK   3   NUCLEIC ACID ATOMS       : 853                                     
REMARK   3   HETEROGEN ATOMS          : 7                                       
REMARK   3   SOLVENT ATOMS            : 111                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 36.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.73                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.21000                                              
REMARK   3    B22 (A**2) : 0.21000                                              
REMARK   3    B33 (A**2) : -0.41000                                             
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): 0.215         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.189         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.113         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.071         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.941                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.925                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1506 ; 0.011 ; 0.023       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2149 ; 1.609 ; 2.617       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):    67 ; 5.360 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    24 ;30.662 ;24.167       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   107 ;14.378 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     4 ;25.514 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   279 ; 0.074 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   813 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):   271 ; 2.098 ; 4.206       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   337 ; 3.633 ; 6.269       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1235 ; 1.536 ; 3.022       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  2737 ; 5.024 ;28.619       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 4R8I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-SEP-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000087032.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-NOV-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X13                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.978                              
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24915                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.050                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
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                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.38                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AFTER THOROUGH OPTIMIZATION OF           
REMARK 280  CRYSTALLIZATION CONDITIONS NEEDLE SHAPED CRYSTALS (APPROX.          
REMARK 280  300X50X50UM) COULD BE OBTAINED BY MIXING 1UL OF THE NOX-E36-CCL2    
REMARK 280  COMPLEX (IN 20 MM HEPES PH 7.4, 100 MM NACL, 5 MM KCL, 1 MM         
REMARK 280  MGCL2, 1 MM CACL2) WITH 1UL OF A SOLUTION CONTAINING 40 MM NA       
REMARK 280  CACODYLATE PH 5.5, 12 MM SPERMINE TETRAHYDROCHLORIDE, 40 MM LICL,   
REMARK 280  80 MM SRCL2 AND 20 MM MGCL2 AND SUBSEQUENT VAPOR-DIFFUSION          
REMARK 280  EQUILIBRATION AGAINST 1 ML OF RESERVOIR (35% (V/V) MPD, 5 MM KCL,   
REMARK 280  1 MM MGCL2 AND 1 MM CACL2). CRYSTALS USED FOR DATA COLLECTION       
REMARK 280  GREW WITHIN THREE WEEKS AT 277K. VAPOR DIFFUSION, HANGING DROP,     
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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       17.40600            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       54.45600            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       54.45600            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       26.10900            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       54.45600            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       54.45600            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        8.70300            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       54.45600            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       54.45600            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       26.10900            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       54.45600            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       54.45600            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        8.70300            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       17.40600            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER GENERATED FROM THE        
REMARK 300 COMPLEX IN THE ASYMMETRIC UNIT BY THE FOLLOWING SYMMETRY OPERATION:  
REMARK 300 Y,X,-Z-2                                                             
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 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 103  LIES ON A SPECIAL POSITION.                          
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     0                                                      
REMARK 465     GLN A     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     THR A    71                                                      
REMARK 465     GLN A    72                                                      
REMARK 465     THR A    73                                                      
REMARK 465     PRO A    74                                                      
REMARK 465     LYS A    75                                                      
REMARK 465     THR A    76                                                      
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     0G B   1   P      0G B   1   OP3    -0.118                       
REMARK 500     0G B   1   C4     0G B   1   C5     -0.043                       
REMARK 500     0G B   1   C5     0G B   1   C6     -0.069                       
REMARK 500     0G B   1   C5     0G B   1   N7     -0.044                       
REMARK 500     0C B   2   N1     0C B   2   C2     -0.062                       
REMARK 500     0C B   2   N3     0C B   2   C4      0.047                       
REMARK 500     0C B   2   C5     0C B   2   C6      0.050                       
REMARK 500     0A B   3   N1     0A B   3   C2      0.134                       
REMARK 500     0A B   3   C2     0A B   3   N3      0.145                       
REMARK 500     0A B   3   C4     0A B   3   C5     -0.043                       
REMARK 500     0A B   3   C5     0A B   3   C6     -0.065                       
REMARK 500     0A B   3   C5     0A B   3   N7     -0.066                       
REMARK 500     0A B   3   N9     0A B   3   C4     -0.046                       
REMARK 500     0C B   4   N1     0C B   4   C6      0.039                       
REMARK 500     0C B   4   C2     0C B   4   N3      0.049                       
REMARK 500     0C B   4   N3     0C B   4   C4      0.052                       
REMARK 500     0C B   4   C5     0C B   4   C6      0.051                       
REMARK 500     0G B   5   C5     0G B   5   C6     -0.080                       
REMARK 500     0G B   5   C5     0G B   5   N7     -0.055                       
REMARK 500     0U B   6   C5     0U B   6   C6      0.055                       
REMARK 500     0C B   7   N1     0C B   7   C6      0.037                       
REMARK 500     0C B   7   C2     0C B   7   N3      0.056                       
REMARK 500     0C B   7   N3     0C B   7   C4      0.042                       
REMARK 500     0C B   7   C5     0C B   7   C6      0.059                       
REMARK 500     0C B   8   N1     0C B   8   C6      0.042                       
REMARK 500     0C B   8   N3     0C B   8   C4      0.057                       
REMARK 500     0C B   9   N1     0C B   9   C6      0.052                       
REMARK 500     0C B   9   C2     0C B   9   N3      0.064                       
REMARK 500     0C B   9   N3     0C B   9   C4      0.070                       
REMARK 500     0C B   9   C5     0C B   9   C6      0.056                       
REMARK 500     0C B  11   N1     0C B  11   C6      0.052                       
REMARK 500     0C B  11   N3     0C B  11   C4      0.056                       
REMARK 500     0C B  11   C5     0C B  11   C6      0.057                       
REMARK 500     0A B  12   N1     0A B  12   C2      0.149                       
REMARK 500     0A B  12   C2     0A B  12   N3      0.149                       
REMARK 500     0A B  12   C4     0A B  12   C5     -0.045                       
REMARK 500     0A B  12   C5     0A B  12   C6     -0.058                       
REMARK 500     0A B  12   C5     0A B  12   N7     -0.048                       
REMARK 500     0A B  12   N9     0A B  12   C4     -0.043                       
REMARK 500     0C B  13   N1     0C B  13   C6      0.047                       
REMARK 500     0C B  13   N3     0C B  13   C4      0.046                       
REMARK 500     0C B  13   C5     0C B  13   C6      0.064                       
REMARK 500     0C B  14   C2     0C B  14   N3      0.066                       
REMARK 500     0C B  14   N3     0C B  14   C4      0.062                       
REMARK 500     0C B  14   C5     0C B  14   C6      0.061                       
REMARK 500     0G B  15   C5     0G B  15   C6     -0.076                       
REMARK 500     0G B  15   C5     0G B  15   N7     -0.058                       
REMARK 500     0G B  15   C8     0G B  15   N9     -0.044                       
REMARK 500     0G B  15   N9     0G B  15   C4     -0.048                       
REMARK 500     0G B  16   C5     0G B  16   C6     -0.068                       
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     121 BOND DEVIATIONS.                              
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     0G B   1   C6  -  N1  -  C2  ANGL. DEV. =  -6.6 DEGREES          
REMARK 500     0G B   1   N1  -  C2  -  N3  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     0G B   1   C2  -  N3  -  C4  ANGL. DEV. =   9.3 DEGREES          
REMARK 500     0G B   1   N3  -  C4  -  C5  ANGL. DEV. =  -7.2 DEGREES          
REMARK 500     0G B   1   C5  -  C6  -  N1  ANGL. DEV. =   8.5 DEGREES          
REMARK 500     0G B   1   C4  -  C5  -  N7  ANGL. DEV. =  -2.6 DEGREES          
REMARK 500     0G B   1   C5  -  N7  -  C8  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     0G B   1   N7  -  C8  -  N9  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     0G B   1   N3  -  C4  -  N9  ANGL. DEV. =   5.0 DEGREES          
REMARK 500     0G B   1   C5  -  C6  -  O6  ANGL. DEV. =  -7.1 DEGREES          
REMARK 500     0C B   2   N3  -  C4  -  C5  ANGL. DEV. =  -2.6 DEGREES          
REMARK 500     0A B   3   N1  -  C2  -  N3  ANGL. DEV. = -18.1 DEGREES          
REMARK 500     0A B   3   C2  -  N3  -  C4  ANGL. DEV. =  11.9 DEGREES          
REMARK 500     0A B   3   N3  -  C4  -  C5  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500     0A B   3   C4  -  C5  -  C6  ANGL. DEV. =   3.5 DEGREES          
REMARK 500     0A B   3   C5  -  C6  -  N1  ANGL. DEV. =   4.8 DEGREES          
REMARK 500     0A B   3   C4  -  C5  -  N7  ANGL. DEV. =  -4.0 DEGREES          
REMARK 500     0A B   3   C5  -  N7  -  C8  ANGL. DEV. =   5.4 DEGREES          
REMARK 500     0A B   3   N7  -  C8  -  N9  ANGL. DEV. =  -6.5 DEGREES          
REMARK 500     0A B   3   N9  -  C4  -  C5  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     0A B   3   C5  -  C6  -  N6  ANGL. DEV. =  -6.3 DEGREES          
REMARK 500     0G B   5   O4' -  C1' -  N9  ANGL. DEV. =   8.6 DEGREES          
REMARK 500     0G B   5   C6  -  N1  -  C2  ANGL. DEV. =  -6.3 DEGREES          
REMARK 500     0G B   5   N1  -  C2  -  N3  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500     0G B   5   C2  -  N3  -  C4  ANGL. DEV. =   8.6 DEGREES          
REMARK 500     0G B   5   N3  -  C4  -  C5  ANGL. DEV. =  -7.2 DEGREES          
REMARK 500     0G B   5   C5  -  C6  -  N1  ANGL. DEV. =   8.0 DEGREES          
REMARK 500     0G B   5   C4  -  C5  -  N7  ANGL. DEV. =  -3.2 DEGREES          
REMARK 500     0G B   5   C5  -  N7  -  C8  ANGL. DEV. =   4.2 DEGREES          
REMARK 500     0G B   5   N7  -  C8  -  N9  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     0G B   5   N9  -  C4  -  C5  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     0G B   5   N3  -  C4  -  N9  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     0G B   5   C5  -  C6  -  O6  ANGL. DEV. =  -6.8 DEGREES          
REMARK 500     0U B   6   N1  -  C2  -  N3  ANGL. DEV. =   5.4 DEGREES          
REMARK 500     0U B   6   C2  -  N3  -  C4  ANGL. DEV. =  -7.5 DEGREES          
REMARK 500     0U B   6   N3  -  C4  -  C5  ANGL. DEV. =   6.1 DEGREES          
REMARK 500     0U B   6   C5  -  C4  -  O4  ANGL. DEV. =  -5.7 DEGREES          
REMARK 500     0C B   7   O3' -  P   -  OP2 ANGL. DEV. =  10.2 DEGREES          
REMARK 500     0C B   7   O3' -  P   -  OP1 ANGL. DEV. = -13.4 DEGREES          
REMARK 500     0C B   7   O4' -  C1' -  N1  ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     0C B   7   N3  -  C4  -  C5  ANGL. DEV. =  -3.0 DEGREES          
REMARK 500     0U B  10   N1  -  C2  -  N3  ANGL. DEV. =   4.6 DEGREES          
REMARK 500     0U B  10   C2  -  N3  -  C4  ANGL. DEV. =  -6.2 DEGREES          
REMARK 500     0U B  10   N3  -  C4  -  C5  ANGL. DEV. =   5.5 DEGREES          
REMARK 500     0U B  10   C5  -  C4  -  O4  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     0C B  11   N3  -  C2  -  O2  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     0A B  12   C6  -  N1  -  C2  ANGL. DEV. =   4.1 DEGREES          
REMARK 500     0A B  12   N1  -  C2  -  N3  ANGL. DEV. = -19.4 DEGREES          
REMARK 500     0A B  12   C2  -  N3  -  C4  ANGL. DEV. =  12.2 DEGREES          
REMARK 500     0A B  12   N3  -  C4  -  C5  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     243 ANGLE DEVIATIONS.                             
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    SER A  27     -179.88   -173.26                                   
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                               K B 103   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  0U B   6   O2'                                                    
REMARK 620 2 HOH B 283   O    68.3                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 104   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  0U B   6   O2                                                     
REMARK 620 2 HOH B 273   O    75.1                                              
REMARK 620 3 HOH B 276   O    83.7  90.8                                        
REMARK 620 4 HOH B 285   O    71.3 123.8 127.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              SR B 102  SR                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  0C B   9   OP1                                                    
REMARK 620 2  0C B  11   OP2 107.9                                              
REMARK 620 3  0C B  11   OP1  82.9  25.9                                        
REMARK 620 4  0A B  12   OP2 118.7 115.5 125.6                                  
REMARK 620 5  0A B  12   OP1 117.9 101.0 107.9  18.0                            
REMARK 620 6 HOH B 206   O   154.9  61.1  86.7  85.9  87.0                      
REMARK 620 7 HOH B 213   O    81.3  91.5  94.4 135.3 151.6  76.9                
REMARK 620 8 HOH B 215   O    86.3 163.5 169.1  61.7  78.7 102.6  82.2          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 107   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  0C B  13   O2                                                     
REMARK 620 2 HOH B 229   O    84.1                                              
REMARK 620 3 HOH B 292   O    73.3  84.2                                        
REMARK 620 4 HOH B 293   O   139.4  97.2  66.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA B 101  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 0U1 B  31   O4                                                     
REMARK 620 2 HOH B 221   O    72.8                                              
REMARK 620 3 HOH B 245   O    81.5  64.9                                        
REMARK 620 4 HOH B 246   O   142.1  71.4  72.3                                  
REMARK 620 5 HOH B 248   O   116.5 154.5  92.1  91.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 106   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  0G B  32   O6                                                     
REMARK 620 2  0G B  33   O6   74.6                                              
REMARK 620 3 HOH B 235   O   111.3  74.6                                        
REMARK 620 4 HOH B 236   O   142.1 143.1  83.9                                  
REMARK 620 5 HOH B 271   O    71.1 144.1 128.1  72.4                            
REMARK 620 6 HOH B 272   O    81.8  99.2 162.7  92.4  65.9                      
REMARK 620 7 HOH B 296   O   143.1  79.7  86.3  69.1 123.9  76.6                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 105   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH B 214   O                                                      
REMARK 620 2 HOH B 240   O   155.2                                              
REMARK 620 3 HOH B 241   O    80.6  77.7                                        
REMARK 620 4 HOH B 254   O    85.3  78.3  77.5                                  
REMARK 620 5 HOH B 291   O    74.1 119.0 144.9  76.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0U1 B 31                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 101                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SR B 102                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 103                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 104                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 105                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 106                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 107                   
DBREF  4R8I A    1    76  UNP    P13500   CCL2_HUMAN      24     99             
DBREF  4R8I B    1    40  PDB    4R8I     4R8I             1     40             
SEQADV 4R8I MET A    0  UNP  P13500              EXPRESSION TAG                 
SEQRES   1 A   77  MET GLN PRO ASP ALA ILE ASN ALA PRO VAL THR CYS CYS          
SEQRES   2 A   77  TYR ASN PHE THR ASN ARG LYS ILE SER VAL GLN ARG LEU          
SEQRES   3 A   77  ALA SER TYR ARG ARG ILE THR SER SER LYS CYS PRO LYS          
SEQRES   4 A   77  GLU ALA VAL ILE PHE LYS THR ILE VAL ALA LYS GLU ILE          
SEQRES   5 A   77  CYS ALA ASP PRO LYS GLN LYS TRP VAL GLN ASP SER MET          
SEQRES   6 A   77  ASP HIS LEU ASP LYS GLN THR GLN THR PRO LYS THR              
SEQRES   1 B   40   0G  0C  0A  0C  0G  0U  0C  0C  0C  0U  0C  0A  0C          
SEQRES   2 B   40   0C  0G  0G  0U  0G  0C  0A  0A  0G  0U  0G  0A  0A          
SEQRES   3 B   40   0G  0C  0C  0G 0U1  0G  0G  0C  0U  0C  0U  0G  0C          
SEQRES   4 B   40   0G                                                          
HET     0G  B   1      24                                                       
HET     0C  B   2      20                                                       
HET     0A  B   3      22                                                       
HET     0C  B   4      20                                                       
HET     0G  B   5      23                                                       
HET     0U  B   6      20                                                       
HET     0C  B   7      20                                                       
HET     0C  B   8      20                                                       
HET     0C  B   9      20                                                       
HET     0U  B  10      20                                                       
HET     0C  B  11      20                                                       
HET     0A  B  12      22                                                       
HET     0C  B  13      20                                                       
HET     0C  B  14      20                                                       
HET     0G  B  15      23                                                       
HET     0G  B  16      23                                                       
HET     0U  B  17      20                                                       
HET     0G  B  18      23                                                       
HET     0C  B  19      20                                                       
HET     0A  B  20      22                                                       
HET     0A  B  21      22                                                       
HET     0G  B  22      23                                                       
HET     0U  B  23      20                                                       
HET     0G  B  24      23                                                       
HET     0A  B  25      22                                                       
HET     0A  B  26      22                                                       
HET     0G  B  27      23                                                       
HET     0C  B  28      20                                                       
HET     0C  B  29      20                                                       
HET     0G  B  30      23                                                       
HET    0U1  B  31      21                                                       
HET     0G  B  32      23                                                       
HET     0G  B  33      23                                                       
HET     0C  B  34      20                                                       
HET     0U  B  35      20                                                       
HET     0C  B  36      20                                                       
HET     0U  B  37      20                                                       
HET     0G  B  38      23                                                       
HET     0C  B  39      20                                                       
HET     0G  B  40      23                                                       
HET     NA  B 101       1                                                       
HET     SR  B 102       1                                                       
HET      K  B 103       1                                                       
HET      K  B 104       1                                                       
HET      K  B 105       1                                                       
HET      K  B 106       1                                                       
HET      K  B 107       1                                                       
HETNAM      0G L-GUANOSINE-5'-MONOPHOSPHATE                                     
HETNAM      0C L-CYTIDINE-5'-MONOPHOSPHATE                                      
HETNAM      0A L-ADENOSINE-5'-MONOPHOSPHATE                                     
HETNAM      0U L-URIDINE-5'-MONOPHOSPHATE                                       
HETNAM     0U1 2'-METHYLSELENYL-2'-DEOXY-L-URIDINE-5'-MONOPHOSPHATE             
HETNAM      NA SODIUM ION                                                       
HETNAM      SR STRONTIUM ION                                                    
HETNAM       K POTASSIUM ION                                                    
FORMUL   2   0G    13(C10 H14 N5 O8 P)                                          
FORMUL   2   0C    14(C9 H14 N3 O8 P)                                           
FORMUL   2   0A    6(C10 H14 N5 O7 P)                                           
FORMUL   2   0U    6(C9 H13 N2 O9 P)                                            
FORMUL   2  0U1    C10 H15 N2 O8 P SE                                           
FORMUL   3   NA    NA 1+                                                        
FORMUL   4   SR    SR 2+                                                        
FORMUL   5    K    5(K 1+)                                                      
FORMUL  10  HOH   *111(H2 O)                                                    
HELIX    1   1 SER A   21  GLN A   23  5                                   3    
HELIX    2   2 GLN A   57  GLN A   70  1                                  14    
SHEET    1   A 3 LEU A  25  ILE A  31  0                                        
SHEET    2   A 3 ALA A  40  THR A  45 -1  O  ILE A  42   N  ARG A  29           
SHEET    3   A 3 GLU A  50  ALA A  53 -1  O  ILE A  51   N  PHE A  43           
SSBOND   1 CYS A   11    CYS A   36                          1555   1555  2.04  
SSBOND   2 CYS A   12    CYS A   52                          1555   1555  2.04  
LINK         O3'  0G B   1                 P    0C B   2     1555   1555  1.61  
LINK         O3'  0C B   2                 P    0A B   3     1555   1555  1.60  
LINK         O3'  0A B   3                 P    0C B   4     1555   1555  1.60  
LINK         O3'  0C B   4                 P    0G B   5     1555   1555  1.60  
LINK         O3'  0G B   5                 P    0U B   6     1555   1555  1.62  
LINK         O3'  0U B   6                 P    0C B   7     1555   1555  1.59  
LINK         O3'  0C B   7                 P    0C B   8     1555   1555  1.60  
LINK         O3'  0C B   8                 P    0C B   9     1555   1555  1.60  
LINK         O3'  0C B   9                 P    0U B  10     1555   1555  1.59  
LINK         O3'  0U B  10                 P    0C B  11     1555   1555  1.58  
LINK         O3'  0C B  11                 P    0A B  12     1555   1555  1.60  
LINK         O3'  0A B  12                 P    0C B  13     1555   1555  1.61  
LINK         O3'  0C B  13                 P    0C B  14     1555   1555  1.58  
LINK         O3'  0C B  14                 P    0G B  15     1555   1555  1.61  
LINK         O3'  0G B  15                 P    0G B  16     1555   1555  1.60  
LINK         O3'  0G B  16                 P    0U B  17     1555   1555  1.61  
LINK         O3'  0U B  17                 P    0G B  18     1555   1555  1.60  
LINK         O3'  0G B  18                 P    0C B  19     1555   1555  1.60  
LINK         O3'  0C B  19                 P    0A B  20     1555   1555  1.62  
LINK         O3'  0A B  20                 P    0A B  21     1555   1555  1.61  
LINK         O3'  0A B  21                 P    0G B  22     1555   1555  1.61  
LINK         O3'  0G B  22                 P    0U B  23     1555   1555  1.60  
LINK         O3'  0U B  23                 P    0G B  24     1555   1555  1.60  
LINK         O3'  0G B  24                 P    0A B  25     1555   1555  1.60  
LINK         O3'  0A B  25                 P    0A B  26     1555   1555  1.62  
LINK         O3'  0A B  26                 P    0G B  27     1555   1555  1.59  
LINK         O3'  0G B  27                 P    0C B  28     1555   1555  1.61  
LINK         O3'  0C B  28                 P    0C B  29     1555   1555  1.59  
LINK         O3'  0C B  29                 P    0G B  30     1555   1555  1.61  
LINK         O3'  0G B  30                 P   0U1 B  31     1555   1555  1.60  
LINK         O3' 0U1 B  31                 P    0G B  32     1555   1555  1.62  
LINK         O3'  0G B  32                 P    0G B  33     1555   1555  1.61  
LINK         O3'  0G B  33                 P    0C B  34     1555   1555  1.59  
LINK         O3'  0C B  34                 P    0U B  35     1555   1555  1.62  
LINK         O3'  0U B  35                 P    0C B  36     1555   1555  1.60  
LINK         O3'  0C B  36                 P    0U B  37     1555   1555  1.61  
LINK         O3'  0U B  37                 P    0G B  38     1555   1555  1.60  
LINK         O3'  0G B  38                 P    0C B  39     1555   1555  1.60  
LINK         O3'  0C B  39                 P    0G B  40     1555   1555  1.60  
LINK         O2'  0U B   6                 K     K B 103     1555   1555  2.52  
LINK         O2   0U B   6                 K     K B 104     1555   1555  2.75  
LINK         OP1  0C B   9                SR    SR B 102     1555   1555  2.37  
LINK         OP2  0C B  11                SR    SR B 102     1555   1555  4.53  
LINK         OP1  0C B  11                SR    SR B 102     1555   1555  2.47  
LINK         OP2  0A B  12                SR    SR B 102     1555   1555  4.66  
LINK         OP1  0A B  12                SR    SR B 102     1555   1555  2.35  
LINK         O2   0C B  13                 K     K B 107     1555   1555  2.61  
LINK         O4  0U1 B  31                NA    NA B 101     1555   1555  2.55  
LINK         O6   0G B  32                 K     K B 106     1555   1555  2.71  
LINK         O6   0G B  33                 K     K B 106     1555   1555  2.87  
LINK        NA    NA B 101                 O   HOH B 221     1555   1555  2.49  
LINK        NA    NA B 101                 O   HOH B 245     1555   1555  2.61  
LINK        NA    NA B 101                 O   HOH B 246     1555   1555  2.75  
LINK        NA    NA B 101                 O   HOH B 248     1555   1555  2.13  
LINK        SR    SR B 102                 O   HOH B 206     1555   1555  2.53  
LINK        SR    SR B 102                 O   HOH B 213     1555   1555  2.49  
LINK        SR    SR B 102                 O   HOH B 215     1555   1555  2.58  
LINK         K     K B 103                 O   HOH B 283     1555   1555  2.38  
LINK         K     K B 104                 O   HOH B 273     1555   1555  2.50  
LINK         K     K B 104                 O   HOH B 276     1555   1555  2.53  
LINK         K     K B 104                 O   HOH B 285     1555   1555  2.61  
LINK         K     K B 105                 O   HOH B 214     1555   1555  2.49  
LINK         K     K B 105                 O   HOH B 240     1555   1555  2.68  
LINK         K     K B 105                 O   HOH B 241     1555   1555  2.68  
LINK         K     K B 105                 O   HOH B 254     1555   1555  2.55  
LINK         K     K B 105                 O   HOH B 291     1555   1555  2.56  
LINK         K     K B 106                 O   HOH B 235     1555   1555  2.83  
LINK         K     K B 106                 O   HOH B 236     1555   1555  2.65  
LINK         K     K B 106                 O   HOH B 271     1555   1555  2.21  
LINK         K     K B 106                 O   HOH B 272     1555   1555  2.61  
LINK         K     K B 106                 O   HOH B 296     1555   1555  2.51  
LINK         K     K B 107                 O   HOH B 229     1555   1555  2.62  
LINK         K     K B 107                 O   HOH B 292     1555   1555  2.57  
LINK         K     K B 107                 O   HOH B 293     1555   1555  2.42  
SITE     1 AC1  8  0A B  12   0C B  13   0G B  30   0G B  32                    
SITE     2 AC1  8  NA B 101  HOH B 221  HOH B 274  HOH B 293                    
SITE     1 AC2  5 0U1 B  31  HOH B 221  HOH B 245  HOH B 246                    
SITE     2 AC2  5 HOH B 248                                                     
SITE     1 AC3  6  0C B   9   0C B  11   0A B  12  HOH B 206                    
SITE     2 AC3  6 HOH B 213  HOH B 215                                          
SITE     1 AC4  4  0U B   6  HOH B 230  HOH B 256  HOH B 283                    
SITE     1 AC5  5  0U B   6   0G B  18  HOH B 273  HOH B 276                    
SITE     2 AC5  5 HOH B 285                                                     
SITE     1 AC6  5 HOH B 214  HOH B 240  HOH B 241  HOH B 254                    
SITE     2 AC6  5 HOH B 291                                                     
SITE     1 AC7  7  0G B  32   0G B  33  HOH B 235  HOH B 236                    
SITE     2 AC7  7 HOH B 271  HOH B 272  HOH B 296                               
SITE     1 AC8  4  0C B  13  HOH B 229  HOH B 292  HOH B 293                    
CRYST1  108.912  108.912   34.812  90.00  90.00  90.00 P 43 21 2     8          
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      0.009182  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009182  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.028726        0.00000