PDB Short entry for 4I5J
HEADER    HYDROLASE                               28-NOV-12   4I5J              
TITLE     PP2A PR70 HOLOENZYME                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SERINE/THREONINE-PROTEIN PHOSPHATASE 2A REGULATORY SUBUNIT 
COMPND   3 B'' SUBUNIT ALPHA;                                                   
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: PR72 (UNP RESIDUES 786-1070);                              
COMPND   6 SYNONYM: PP2A SUBUNIT B ISOFORM PR72/PR130, PP2A SUBUNIT B ISOFORM R3
COMPND   7 ISOFORM, PP2A SUBUNIT B ISOFORMS B''-PR72/PR130, PP2A SUBUNIT B      
COMPND   8 ISOFORMS B72/B130, SERINE/THREONINE-PROTEIN PHOSPHATASE 2A 72/130 KDA
COMPND   9 REGULATORY SUBUNIT B;                                                
COMPND  10 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: PPP2R3A, PPP2R3;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET 15B                                   
KEYWDS    EF HAND, PHOSPHATASE REGULATORY SUBUNIT, PP2A, HYDROLASE              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.XING,P.D.JEFFERY,Y.SHI                                              
REVDAT   4   28-FEB-24 4I5J    1       REMARK LINK                              
REVDAT   3   17-JUL-19 4I5J    1       REMARK                                   
REVDAT   2   24-JUL-13 4I5J    1       JRNL                                     
REVDAT   1   08-MAY-13 4I5J    0                                                
JRNL        AUTH   N.WLODARCHAK,F.GUO,K.A.SATYSHUR,L.JIANG,P.D.JEFFREY,T.SUN,   
JRNL        AUTH 2 V.STANEVICH,M.C.MUMBY,Y.XING                                 
JRNL        TITL   STRUCTURE OF THE CA(2+)-DEPENDENT PP2A HETEROTRIMER AND      
JRNL        TITL 2 INSIGHTS INTO CDC6 DEPHOSPHORYLATION.                        
JRNL        REF    CELL RES.                     V.  23   931 2013              
JRNL        REFN                   ISSN 1001-0602                               
JRNL        PMID   23752926                                                     
JRNL        DOI    10.1038/CR.2013.77                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.09 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8_1069)                     
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.09                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.85                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 20326                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.060                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1029                            
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 32.8530 -  3.9978    1.00     3226   167  0.1778 0.2345        
REMARK   3     2  3.9978 -  3.1740    1.00     3042   178  0.1823 0.2498        
REMARK   3     3  3.1740 -  2.7730    0.99     3024   144  0.2053 0.2397        
REMARK   3     4  2.7730 -  2.5196    0.97     2895   162  0.2032 0.2439        
REMARK   3     5  2.5196 -  2.3390    0.95     2819   159  0.2095 0.2808        
REMARK   3     6  2.3390 -  2.2012    0.87     2606   131  0.2398 0.3195        
REMARK   3     7  2.2012 -  2.0909    0.56     1685    88  0.2681 0.3511        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.420           
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      :  0.009           2285                                  
REMARK   3   ANGLE     :  1.122           3104                                  
REMARK   3   CHIRALITY :  0.081            328                                  
REMARK   3   PLANARITY :  0.005            398                                  
REMARK   3   DIHEDRAL  : 13.453            837                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 6                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 172 THROUGH 193 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  57.2533  -4.0208  22.9125              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3404 T22:   0.2911                                     
REMARK   3      T33:   0.7112 T12:  -0.0236                                     
REMARK   3      T13:  -0.0161 T23:  -0.1393                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  -0.0222 L22:   0.0363                                     
REMARK   3      L33:   0.0612 L12:   0.0321                                     
REMARK   3      L13:   0.0098 L23:   0.0556                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.3171 S12:   0.3462 S13:  -0.7879                       
REMARK   3      S21:  -0.0273 S22:  -0.1588 S23:  -0.3407                       
REMARK   3      S31:   0.0302 S32:  -0.2859 S33:   0.0006                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 194 THROUGH 236 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  45.3051   6.8088  36.0303              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3161 T22:   0.2140                                     
REMARK   3      T33:   0.2954 T12:   0.0041                                     
REMARK   3      T13:  -0.0236 T23:   0.0067                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5684 L22:   0.4386                                     
REMARK   3      L33:   0.2788 L12:  -0.0726                                     
REMARK   3      L13:  -0.4114 L23:   0.1377                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0382 S12:   0.0432 S13:  -0.0919                       
REMARK   3      S21:   0.3312 S22:  -0.0523 S23:  -0.0455                       
REMARK   3      S31:   0.2019 S32:  -0.0773 S33:  -0.0220                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 237 THROUGH 289 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  48.5616  12.4167  29.3194              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2746 T22:   0.2278                                     
REMARK   3      T33:   0.3064 T12:   0.0058                                     
REMARK   3      T13:  -0.0347 T23:  -0.0498                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9207 L22:   0.5332                                     
REMARK   3      L33:   0.4266 L12:  -0.0115                                     
REMARK   3      L13:  -0.2100 L23:   0.0689                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1309 S12:   0.2556 S13:   0.1190                       
REMARK   3      S21:   0.0277 S22:  -0.0709 S23:  -0.1940                       
REMARK   3      S31:  -0.2723 S32:  -0.1706 S33:   0.0134                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 290 THROUGH 376 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  31.4493  15.0786  18.1741              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2775 T22:   0.3297                                     
REMARK   3      T33:   0.2666 T12:   0.0194                                     
REMARK   3      T13:  -0.0092 T23:  -0.0018                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.8025 L22:   0.4404                                     
REMARK   3      L33:   0.6192 L12:   0.2667                                     
REMARK   3      L13:   0.0148 L23:  -0.2483                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0374 S12:   0.0391 S13:   0.0006                       
REMARK   3      S21:   0.0793 S22:  -0.0864 S23:   0.0186                       
REMARK   3      S31:  -0.2845 S32:  -0.2038 S33:   0.0000                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 377 THROUGH 416 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  29.5527  27.9127   3.3061              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.9130 T22:   0.4733                                     
REMARK   3      T33:   0.2342 T12:   0.4658                                     
REMARK   3      T13:   0.0261 T23:   0.1797                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5982 L22:   0.5345                                     
REMARK   3      L33:   0.8095 L12:   0.6655                                     
REMARK   3      L13:  -0.0747 L23:   0.2672                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1212 S12:   0.3323 S13:  -0.1248                       
REMARK   3      S21:   0.2572 S22:   0.0755 S23:   0.1440                       
REMARK   3      S31:  -2.2623 S32:  -0.6862 S33:   0.5112                       
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 417 THROUGH 443 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  38.8749  25.1586   9.6952              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.8341 T22:   0.3822                                     
REMARK   3      T33:   0.2869 T12:  -0.0485                                     
REMARK   3      T13:  -0.0109 T23:   0.0450                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.1357 L22:   0.3066                                     
REMARK   3      L33:   0.3763 L12:  -0.2257                                     
REMARK   3      L13:  -0.0103 L23:   0.1458                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0525 S12:   0.0997 S13:   0.0117                       
REMARK   3      S21:   0.6900 S22:  -0.3396 S23:  -0.2457                       
REMARK   3      S31:  -1.4881 S32:   0.7298 S33:  -0.0745                       
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 4I5J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000076330.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-AUG-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.10                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : SI(111) MONOCHROMATOR              
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21335                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.090                              
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     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.08300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.09                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 61.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.30                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.44200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.48                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50:50 (0.1 M NAH2PO4/0.1 M K2HPO4, 0.1   
REMARK 280  M MES, 2 M NACL) 8 MG/ML PROTEIN , PH 6.5, VAPOR DIFFUSION,         
REMARK 280  HANGING DROP, TEMPERATURE 296K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       46.37000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       92.74000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       92.74000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       46.37000            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 670  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 673  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   165                                                      
REMARK 465     TRP A   166                                                      
REMARK 465     ARG A   167                                                      
REMARK 465     LYS A   168                                                      
REMARK 465     LEU A   169                                                      
REMARK 465     LEU A   170                                                      
REMARK 465     ASN A   171                                                      
REMARK 465     ARG A   325                                                      
REMARK 465     GLY A   326                                                      
REMARK 465     LYS A   327                                                      
REMARK 465     THR A   328                                                      
REMARK 465     ILE A   329                                                      
REMARK 465     GLN A   330                                                      
REMARK 465     GLU A   444                                                      
REMARK 465     GLN A   445                                                      
REMARK 465     ARG A   446                                                      
REMARK 465     ASP A   447                                                      
REMARK 465     PRO A   448                                                      
REMARK 465     PHE A   449                                                      
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   N    LEU A   437     O    HOH A   677              2.13            
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    TYR A 273      -57.18     71.29                                   
REMARK 500    PHE A 435        8.94   -154.08                                   
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                              CA A 501  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 364   OD1                                                    
REMARK 620 2 ASP A 366   OD1  83.3                                              
REMARK 620 3 ASP A 368   OD1  86.7  74.6                                        
REMARK 620 4 VAL A 370   O    85.8 150.9  77.9                                  
REMARK 620 5 GLU A 375   OE1 109.4 126.9 153.3  82.1                            
REMARK 620 6 GLU A 375   OE2  98.2  73.7 147.1 134.8  53.9                      
REMARK 620 7 HOH A 609   O   166.1  84.9  83.0 101.2  83.7  85.5                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 501                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4I5K   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4I5J   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4I5N   RELATED DB: PDB                                   
DBREF  4I5J A  165   449  UNP    Q06190   P2R3A_HUMAN    786   1070             
SEQRES   1 A  285  MET TRP ARG LYS LEU LEU ASN ASN HIS HIS ASP ASP ALA          
SEQRES   2 A  285  SER LYS PHE ILE CYS LEU LEU ALA LYS PRO ASN CYS SER          
SEQRES   3 A  285  SER LEU GLU GLN GLU ASP PHE ILE PRO LEU LEU GLN ASP          
SEQRES   4 A  285  VAL VAL ASP THR HIS PRO GLY LEU THR PHE LEU LYS ASP          
SEQRES   5 A  285  ALA PRO GLU PHE HIS SER ARG TYR ILE THR THR VAL ILE          
SEQRES   6 A  285  GLN ARG ILE PHE TYR THR VAL ASN ARG SER TRP SER GLY          
SEQRES   7 A  285  LYS ILE THR SER THR GLU ILE ARG LYS SER ASN PHE LEU          
SEQRES   8 A  285  GLN THR LEU ALA LEU LEU GLU GLU GLU GLU ASP ILE ASN          
SEQRES   9 A  285  GLN ILE THR ASP TYR PHE SER TYR GLU HIS PHE TYR VAL          
SEQRES  10 A  285  ILE TYR CYS LYS PHE TRP GLU LEU ASP THR ASP HIS ASP          
SEQRES  11 A  285  LEU TYR ILE SER GLN ALA ASP LEU SER ARG TYR ASN ASP          
SEQRES  12 A  285  GLN ALA SER SER SER ARG ILE ILE GLU ARG ILE PHE SER          
SEQRES  13 A  285  GLY ALA VAL THR ARG GLY LYS THR ILE GLN LYS GLU GLY          
SEQRES  14 A  285  ARG MET SER TYR ALA ASP PHE VAL TRP PHE LEU ILE SER          
SEQRES  15 A  285  GLU GLU ASP LYS ARG ASN PRO THR SER ILE GLU TYR TRP          
SEQRES  16 A  285  PHE ARG CYS MET ASP VAL ASP GLY ASP GLY VAL LEU SER          
SEQRES  17 A  285  MET TYR GLU LEU GLU TYR PHE TYR GLU GLU GLN CYS GLU          
SEQRES  18 A  285  ARG MET GLU ALA MET GLY ILE GLU PRO LEU PRO PHE HIS          
SEQRES  19 A  285  ASP LEU LEU CYS GLN MET LEU ASP LEU VAL LYS PRO ALA          
SEQRES  20 A  285  VAL ASP GLY LYS ILE THR LEU ARG ASP LEU LYS ARG CYS          
SEQRES  21 A  285  ARG MET ALA HIS ILE PHE TYR ASP THR PHE PHE ASN LEU          
SEQRES  22 A  285  GLU LYS TYR LEU ASP HIS GLU GLN ARG ASP PRO PHE              
HET     CA  A 501       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  HOH   *83(H2 O)                                                     
HELIX    1   1 ASP A  175  ALA A  185  1                                  11    
HELIX    2   2 GLU A  193  ASP A  196  5                                   4    
HELIX    3   3 PHE A  197  HIS A  208  1                                  12    
HELIX    4   4 LEU A  211  ASP A  216  5                                   6    
HELIX    5   5 ALA A  217  ASN A  237  1                                  21    
HELIX    6   6 THR A  245  LYS A  251  1                                   7    
HELIX    7   7 ASN A  253  GLU A  262  1                                  10    
HELIX    8   8 ASP A  266  ILE A  270  5                                   5    
HELIX    9   9 SER A  275  ASP A  290  1                                  16    
HELIX   10  10 GLN A  299  SER A  303  1                                   5    
HELIX   11  11 SER A  311  PHE A  319  1                                   9    
HELIX   12  12 SER A  336  ASP A  349  1                                  14    
HELIX   13  13 ASN A  352  ASP A  364  1                                  13    
HELIX   14  14 SER A  372  MET A  390  1                                  19    
HELIX   15  15 PRO A  396  LYS A  409  1                                  14    
HELIX   16  16 THR A  417  ARG A  425  1                                   9    
HELIX   17  17 MET A  426  ASN A  436  1                                  11    
HELIX   18  18 ASN A  436  ASP A  442  1                                   7    
SHEET    1   A 2 ILE A 297  SER A 298  0                                        
SHEET    2   A 2 ARG A 334  MET A 335 -1  O  MET A 335   N  ILE A 297           
LINK         OD1 ASP A 364                CA    CA A 501     1555   1555  2.28  
LINK         OD1 ASP A 366                CA    CA A 501     1555   1555  2.33  
LINK         OD1 ASP A 368                CA    CA A 501     1555   1555  2.33  
LINK         O   VAL A 370                CA    CA A 501     1555   1555  2.30  
LINK         OE1 GLU A 375                CA    CA A 501     1555   1555  2.42  
LINK         OE2 GLU A 375                CA    CA A 501     1555   1555  2.44  
LINK        CA    CA A 501                 O   HOH A 609     1555   1555  2.42  
SITE     1 AC1  6 ASP A 364  ASP A 366  ASP A 368  VAL A 370                    
SITE     2 AC1  6 GLU A 375  HOH A 609                                          
CRYST1   67.610   67.610  139.110  90.00  90.00 120.00 P 31 2 1      6          
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      0.014791  0.008539  0.000000        0.00000                         
SCALE2      0.000000  0.017079  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007189        0.00000