HEADER    HYDROLASE/DNA                           09-JUN-16   5KEG              
TITLE     CRYSTAL STRUCTURE OF APOBEC3A IN COMPLEX WITH A SINGLE-STRANDED DNA   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA DC->DU-EDITING ENZYME APOBEC-3A;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: A3A,PHORBOLIN-1;                                            
COMPND   5 EC: 3.5.4.-;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: DNA (5'-D(*TP*TP*CP*TP*T)-3');                             
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: APOBEC3A;                                                      
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                                                
KEYWDS    APOBEC3A, DNA CYTIDINE DEAMINASE COMPLEX WITH A SUBSTRATE DNA,        
KEYWDS   2 HYDROLASE-DNA COMPLEX                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.KOUNO,B.J.HILBERT,T.SILVAS,W.E.ROYER,H.MATSUO,C.A.SCHIFFER          
REVDAT   5   16-OCT-24 5KEG    1       REMARK                                   
REVDAT   4   27-SEP-23 5KEG    1       REMARK                                   
REVDAT   3   25-DEC-19 5KEG    1       REMARK                                   
REVDAT   2   13-SEP-17 5KEG    1       REMARK                                   
REVDAT   1   10-MAY-17 5KEG    0                                                
JRNL        AUTH   T.KOUNO,T.V.SILVAS,B.J.HILBERT,S.M.D.SHANDILYA,M.F.BOHN,     
JRNL        AUTH 2 B.A.KELCH,W.E.ROYER,M.SOMASUNDARAN,N.KURT YILMAZ,H.MATSUO,   
JRNL        AUTH 3 C.A.SCHIFFER                                                 
JRNL        TITL   CRYSTAL STRUCTURE OF APOBEC3A BOUND TO SINGLE-STRANDED DNA   
JRNL        TITL 2 REVEALS STRUCTURAL BASIS FOR CYTIDINE DEAMINATION AND        
JRNL        TITL 3 SPECIFICITY.                                                 
JRNL        REF    NAT COMMUN                    V.   8 15024 2017              
JRNL        REFN                   ESSN 2041-1723                               
JRNL        PMID   28452355                                                     
JRNL        DOI    10.1038/NCOMMS15024                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.71                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 12146                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.177                           
REMARK   3   FREE R VALUE                     : 0.225                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1  2.4200 -  2.2000    0.92        0     0  0.1990 0.2660        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : NULL             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5KEG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUN-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000222031.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-FEB-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 0.05                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007 HF             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU SATURN 944                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12162                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.710                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY                : 13.10                              
REMARK 200  R MERGE                    (I) : 0.09100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.24                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 8.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.52800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: 4XXO                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.13                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MOPS 50 MM MGCL2 50 MM CACL2      
REMARK 280  23% PEG 3350 15% 2-METHYL-2,4-PENTANEDIOL, PH 7.5, VAPOR            
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-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        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       28.29150            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       36.33300            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       57.48550            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       28.29150            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       36.33300            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       57.48550            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       28.29150            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       36.33300            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       57.48550            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       28.29150            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       36.33300            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       57.48550            
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: 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 305  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 395  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     GLY A    -3                                                      
REMARK 465     PRO A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     PRO A     5                                                      
REMARK 465     ALA A     6                                                      
REMARK 465     SER A     7                                                      
REMARK 465     GLY A     8                                                      
REMARK 465     PRO A     9                                                      
REMARK 465     GLN A   197                                                      
REMARK 465     GLY A   198                                                      
REMARK 465     ASN A   199                                                      
REMARK 465      DT B    -5                                                      
REMARK 465      DT B    -4                                                      
REMARK 465      DT B    -3                                                      
REMARK 465      DT B    -2                                                      
REMARK 465      DT B    -1                                                      
REMARK 465      DT B     0                                                      
REMARK 465      DT B     6                                                      
REMARK 465      DT B     7                                                      
REMARK 465      DT B     8                                                      
REMARK 465      DT B     9                                                      
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     ARG A  10    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS A  11    CG   ND1  CD2  CE1  NE2                             
REMARK 470     HIS A  16    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A  30    CG   CD   CE   NZ                                   
REMARK 470     ASN A  42    CG   OD1  ND2                                       
REMARK 470     VAL A  46    CG1  CG2                                            
REMARK 470     LYS A  47    CG   CD   CE   NZ                                   
REMARK 470     GLN A  50    CG   CD   OE1  NE2                                  
REMARK 470     GLN A  58    CG   CD   OE1  NE2                                  
REMARK 470     LYS A  60    CG   CD   CE   NZ                                   
REMARK 470     LEU A  62    CG   CD1  CD2                                       
REMARK 470     LEU A  63    CG   CD1  CD2                                       
REMARK 470     PHE A  66    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     TYR A  67    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ASP A 177    CG   OD1  OD2                                       
REMARK 470     GLU A 181    CG   CD   OE1  OE2                                  
REMARK 470     ASN A 196    CG   OD1  ND2                                       
REMARK 470      DT B   1    P    OP1  OP2  O5'  C2   O2   N3                    
REMARK 470      DT B   1    C4   O4   C5   C7   C6                              
REMARK 470      DT B   5    C5'  C4'  O4'  C3'  O3'  C2'  C1'                   
REMARK 470      DT B   5    N1   C2   O2   N3   C4   O4   C5                    
REMARK 470      DT B   5    C7   C6                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   301     O    HOH A   314              1.84            
REMARK 500   O    HOH A   378     O    HOH A   382              2.02            
REMARK 500   O    HOH A   365     O    HOH A   393              2.18            
REMARK 500   O    HOH A   380     O    HOH A   394              2.19            
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    HIS A  29       36.20    -89.05                                   
REMARK 500    MET A  48       74.00   -110.30                                   
REMARK 500    ASN A  61       78.36   -159.30                                   
REMARK 500    ASN A 117       73.03   -105.81                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 201  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  70   ND1                                                    
REMARK 620 2 CYS A 101   SG  113.9                                              
REMARK 620 3 CYS A 106   SG  109.2 109.7                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 203                  
DBREF  5KEG A    1   199  UNP    P31941   ABC3A_HUMAN      1    199             
DBREF  5KEG B   -5     9  PDB    5KEG     5KEG            -5      9             
SEQADV 5KEG GLY A   -3  UNP  P31941              EXPRESSION TAG                 
SEQADV 5KEG PRO A   -2  UNP  P31941              EXPRESSION TAG                 
SEQADV 5KEG GLY A   -1  UNP  P31941              EXPRESSION TAG                 
SEQADV 5KEG HIS A    0  UNP  P31941              EXPRESSION TAG                 
SEQADV 5KEG ALA A   72  UNP  P31941    GLU    72 ENGINEERED MUTATION            
SEQADV 5KEG ALA A  171  UNP  P31941    CYS   171 ENGINEERED MUTATION            
SEQRES   1 A  203  GLY PRO GLY HIS MET GLU ALA SER PRO ALA SER GLY PRO          
SEQRES   2 A  203  ARG HIS LEU MET ASP PRO HIS ILE PHE THR SER ASN PHE          
SEQRES   3 A  203  ASN ASN GLY ILE GLY ARG HIS LYS THR TYR LEU CYS TYR          
SEQRES   4 A  203  GLU VAL GLU ARG LEU ASP ASN GLY THR SER VAL LYS MET          
SEQRES   5 A  203  ASP GLN HIS ARG GLY PHE LEU HIS ASN GLN ALA LYS ASN          
SEQRES   6 A  203  LEU LEU CYS GLY PHE TYR GLY ARG HIS ALA ALA LEU ARG          
SEQRES   7 A  203  PHE LEU ASP LEU VAL PRO SER LEU GLN LEU ASP PRO ALA          
SEQRES   8 A  203  GLN ILE TYR ARG VAL THR TRP PHE ILE SER TRP SER PRO          
SEQRES   9 A  203  CYS PHE SER TRP GLY CYS ALA GLY GLU VAL ARG ALA PHE          
SEQRES  10 A  203  LEU GLN GLU ASN THR HIS VAL ARG LEU ARG ILE PHE ALA          
SEQRES  11 A  203  ALA ARG ILE TYR ASP TYR ASP PRO LEU TYR LYS GLU ALA          
SEQRES  12 A  203  LEU GLN MET LEU ARG ASP ALA GLY ALA GLN VAL SER ILE          
SEQRES  13 A  203  MET THR TYR ASP GLU PHE LYS HIS CYS TRP ASP THR PHE          
SEQRES  14 A  203  VAL ASP HIS GLN GLY ALA PRO PHE GLN PRO TRP ASP GLY          
SEQRES  15 A  203  LEU ASP GLU HIS SER GLN ALA LEU SER GLY ARG LEU ARG          
SEQRES  16 A  203  ALA ILE LEU GLN ASN GLN GLY ASN                              
SEQRES   1 B   15   DT  DT  DT  DT  DT  DT  DT  DT  DC  DT  DT  DT  DT          
SEQRES   2 B   15   DT  DT                                                      
HET     ZN  A 201       1                                                       
HET     CA  A 202       1                                                       
HET     CL  A 203       1                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      CA CALCIUM ION                                                      
HETNAM      CL CHLORIDE ION                                                     
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4   CA    CA 2+                                                        
FORMUL   5   CL    CL 1-                                                        
FORMUL   6  HOH   *100(H2 O)                                                    
HELIX    1 AA1 ASP A   14  PHE A   22  1                                   9    
HELIX    2 AA2 ASP A   49  ARG A   52  5                                   4    
HELIX    3 AA3 HIS A   70  GLN A   83  1                                  14    
HELIX    4 AA4 GLY A  105  ASN A  117  1                                  13    
HELIX    5 AA5 LEU A  135  ALA A  146  1                                  12    
HELIX    6 AA6 THR A  154  VAL A  166  1                                  13    
HELIX    7 AA7 GLY A  178  ASN A  196  1                                  19    
SHEET    1 AA1 3 THR A  44  LYS A  47  0                                        
SHEET    2 AA1 3 TYR A  32  ASP A  41 -1  N  ASP A  41   O  THR A  44           
SHEET    3 AA1 3 GLY A  53  HIS A  56 -1  O  LEU A  55   N  LEU A  33           
SHEET    1 AA2 5 THR A  44  LYS A  47  0                                        
SHEET    2 AA2 5 TYR A  32  ASP A  41 -1  N  ASP A  41   O  THR A  44           
SHEET    3 AA2 5 ILE A  89  ILE A  96 -1  O  PHE A  95   N  CYS A  34           
SHEET    4 AA2 5 VAL A 120  ALA A 126  1  O  ARG A 121   N  VAL A  92           
SHEET    5 AA2 5 GLN A 149  ILE A 152  1  O  SER A 151   N  ILE A 124           
SSBOND   1 CYS A   64    CYS A   64                          1555   3557  1.97  
LINK         ND1 HIS A  70                ZN    ZN A 201     1555   1555  2.08  
LINK         SG  CYS A 101                ZN    ZN A 201     1555   1555  2.32  
LINK         SG  CYS A 106                ZN    ZN A 201     1555   1555  2.15  
SITE     1 AC1  4 HIS A  70  CYS A 101  CYS A 106   CL A 203                    
SITE     1 AC2  6 HIS A  70  PRO A 100  CYS A 101  CYS A 106                    
SITE     2 AC2  6  ZN A 201   DC B   3                                          
CRYST1   56.583   72.666  114.971  90.00  90.00  90.00 I 2 2 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      0.017673  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013762  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008698        0.00000