HEADER    TRANSFERASE                             14-MAY-24   8ZIM              
TITLE     CRYSTAL STRUCTURE OF THE METHYLTRANSFERASE PSIM IN COMPLEX WITH SAH   
TITLE    2 AND BAEOCYSTIN                                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PSILOCYBIN SYNTHASE;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PSILOCYBIN BIOSYNTHESIS METHYLTRANSFERASE;                  
COMPND   5 EC: 2.1.1.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSILOCYBE CUBENSIS;                             
SOURCE   3 ORGANISM_TAXID: 181762;                                              
SOURCE   4 GENE: PSIM;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    NORBAEOCYSTIN, BAEOCYSTIN, PSILOCYBIN, METHYLTRANSFERASE, SAM, SAH,   
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.Y.MENG,Y.WEN,W.T.GUO,B.X.WU                                         
REVDAT   1   02-APR-25 8ZIM    0                                                
JRNL        AUTH   C.MENG,W.GUO,C.XIAO,Y.WEN,X.ZHU,Q.ZHANG,Y.LIANG,H.LI,S.XU,   
JRNL        AUTH 2 Y.QIU,H.CHEN,W.J.LIN,B.WU                                    
JRNL        TITL   STRUCTURAL BASIS FOR PSILOCYBIN BIOSYNTHESIS.                
JRNL        REF    NAT COMMUN                    V.  16  2827 2025              
JRNL        REFN                   ESSN 2041-1723                               
JRNL        PMID   40121242                                                     
JRNL        DOI    10.1038/S41467-025-58239-X                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.20.1_4487                                   
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 : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 33.72                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 60092                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.147                           
REMARK   3   R VALUE            (WORKING SET) : 0.146                           
REMARK   3   FREE R VALUE                     : 0.173                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.070                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3047                            
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 33.7200 -  3.9200    1.00     2810   147  0.1456 0.1359        
REMARK   3     2  3.9200 -  3.1100    1.00     2702   137  0.1383 0.1473        
REMARK   3     3  3.1100 -  2.7200    1.00     2622   153  0.1552 0.1729        
REMARK   3     4  2.7200 -  2.4700    1.00     2618   141  0.1529 0.1846        
REMARK   3     5  2.4700 -  2.2900    1.00     2614   155  0.1434 0.1574        
REMARK   3     6  2.2900 -  2.1600    1.00     2590   127  0.1391 0.1490        
REMARK   3     7  2.1600 -  2.0500    1.00     2616   144  0.1429 0.1720        
REMARK   3     8  2.0500 -  1.9600    1.00     2551   160  0.1443 0.1952        
REMARK   3     9  1.9600 -  1.8900    1.00     2570   139  0.1514 0.1867        
REMARK   3    10  1.8900 -  1.8200    1.00     2619   122  0.1541 0.2040        
REMARK   3    11  1.8200 -  1.7600    1.00     2576   128  0.1528 0.1845        
REMARK   3    12  1.7600 -  1.7100    1.00     2539   141  0.1505 0.2039        
REMARK   3    13  1.7100 -  1.6700    1.00     2584   139  0.1462 0.1946        
REMARK   3    14  1.6700 -  1.6300    1.00     2585   134  0.1465 0.1946        
REMARK   3    15  1.6300 -  1.5900    1.00     2580   129  0.1409 0.2002        
REMARK   3    16  1.5900 -  1.5600    1.00     2572   125  0.1365 0.1987        
REMARK   3    17  1.5600 -  1.5300    1.00     2557   146  0.1387 0.1766        
REMARK   3    18  1.5300 -  1.5000    1.00     2516   136  0.1342 0.1819        
REMARK   3    19  1.5000 -  1.4700    1.00     2566   139  0.1328 0.2168        
REMARK   3    20  1.4700 -  1.4500    1.00     2567   144  0.1452 0.2064        
REMARK   3    21  1.4500 -  1.4200    1.00     2570   120  0.1532 0.1976        
REMARK   3    22  1.4200 -  1.4000    1.00     2521   141  0.1599 0.2452        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.10                                          
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)     : 0.133            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.333           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 11.28                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.94                          
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      :  0.006           2617                                  
REMARK   3   ANGLE     :  0.930           3572                                  
REMARK   3   CHIRALITY :  0.079            396                                  
REMARK   3   PLANARITY :  0.013            462                                  
REMARK   3   DIHEDRAL  :  9.609            395                                  
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 8ZIM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-MAY-24.                  
REMARK 100 THE DEPOSITION ID IS D_1300047836.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-JUN-23                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL18U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97853                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 60183                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 12.60                              
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 30.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.48                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 12.90                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.24600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 9.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 8ZIE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.27                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.5, 20% W/V              
REMARK 280  POLYETHYLENE GLYCOL 10,000, VAPOR DIFFUSION, HANGING DROP,          
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21                        
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+1/2,-Z+1/2                                         
REMARK 290       4555   -X,-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       29.16350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       65.20450            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.16350            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       65.20450            
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 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 631  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 931  LIES ON A SPECIAL POSITION.                          
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   507     O    HOH A   779              1.92            
REMARK 500   O    HOH A   811     O    HOH A   874              1.95            
REMARK 500   OE1  GLU A   157     O    HOH A   501              1.97            
REMARK 500   OH   TYR A    13     O    HOH A   502              1.97            
REMARK 500   O    HOH A   565     O    HOH A   570              2.01            
REMARK 500   OE1  GLN A   276     O2   GOL A   402              2.07            
REMARK 500   NE   ARG A   240     O    HOH A   503              2.09            
REMARK 500   O    HOH A   654     O    HOH A   800              2.10            
REMARK 500   O    HOH A   677     O    HOH A   869              2.11            
REMARK 500   N    GLY A    33     O    HOH A   504              2.11            
REMARK 500   O    HOH A   510     O    HOH A   741              2.13            
REMARK 500   O    HOH A   531     O    HOH A   535              2.13            
REMARK 500   OE2  GLU A   173     O    HOH A   505              2.17            
REMARK 500   O    HOH A   874     O    HOH A   921              2.18            
REMARK 500   OE1  GLN A   276     O    HOH A   506              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   921     O    HOH A   921     2555     1.48            
REMARK 500   O    HOH A   874     O    HOH A   874     2555     1.70            
REMARK 500   O    HOH A   751     O    HOH A   774     1455     1.87            
REMARK 500   O    HOH A   507     O    HOH A   794     1655     2.18            
REMARK 500   O    HOH A   785     O    HOH A   817     2565     2.19            
REMARK 500   O    HOH A   568     O    HOH A   574     1455     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    ALA A 112       51.77     36.35                                   
REMARK 500    LEU A 165       48.09    -80.29                                   
REMARK 500    THR A 195      -17.27   -140.87                                   
REMARK 500    SER A 298      -21.36   -140.25                                   
REMARK 500    ASN A 302      114.98    -36.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 152         0.10    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 952        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH A 953        DISTANCE =  5.91 ANGSTROMS                       
REMARK 525    HOH A 954        DISTANCE =  6.16 ANGSTROMS                       
REMARK 525    HOH A 955        DISTANCE =  6.91 ANGSTROMS                       
REMARK 525    HOH A 956        DISTANCE =  8.77 ANGSTROMS                       
DBREF  8ZIM A    1   309  UNP    P0DPA9   PSIM_PSICU       1    309             
SEQADV 8ZIM SER A    0  UNP  P0DPA9              EXPRESSION TAG                 
SEQRES   1 A  310  SER MET HIS ILE ARG ASN PRO TYR ARG THR PRO ILE ASP          
SEQRES   2 A  310  TYR GLN ALA LEU SER GLU ALA PHE PRO PRO LEU LYS PRO          
SEQRES   3 A  310  PHE VAL SER VAL ASN ALA ASP GLY THR SER SER VAL ASP          
SEQRES   4 A  310  LEU THR ILE PRO GLU ALA GLN ARG ALA PHE THR ALA ALA          
SEQRES   5 A  310  LEU LEU HIS ARG ASP PHE GLY LEU THR MET THR ILE PRO          
SEQRES   6 A  310  GLU ASP ARG LEU CYS PRO THR VAL PRO ASN ARG LEU ASN          
SEQRES   7 A  310  TYR VAL LEU TRP ILE GLU ASP ILE PHE ASN TYR THR ASN          
SEQRES   8 A  310  LYS THR LEU GLY LEU SER ASP ASP ARG PRO ILE LYS GLY          
SEQRES   9 A  310  VAL ASP ILE GLY THR GLY ALA SER ALA ILE TYR PRO MET          
SEQRES  10 A  310  LEU ALA CYS ALA ARG PHE LYS ALA TRP SER MET VAL GLY          
SEQRES  11 A  310  THR GLU VAL GLU ARG LYS CYS ILE ASP THR ALA ARG LEU          
SEQRES  12 A  310  ASN VAL VAL ALA ASN ASN LEU GLN ASP ARG LEU SER ILE          
SEQRES  13 A  310  LEU GLU THR SER ILE ASP GLY PRO ILE LEU VAL PRO ILE          
SEQRES  14 A  310  PHE GLU ALA THR GLU GLU TYR GLU TYR GLU PHE THR MET          
SEQRES  15 A  310  CYS ASN PRO PRO PHE TYR ASP GLY ALA ALA ASP MET GLN          
SEQRES  16 A  310  THR SER ASP ALA ALA LYS GLY PHE GLY PHE GLY VAL GLY          
SEQRES  17 A  310  ALA PRO HIS SER GLY THR VAL ILE GLU MET SER THR GLU          
SEQRES  18 A  310  GLY GLY GLU SER ALA PHE VAL ALA GLN MET VAL ARG GLU          
SEQRES  19 A  310  SER LEU LYS LEU ARG THR ARG CYS ARG TRP TYR THR SER          
SEQRES  20 A  310  ASN LEU GLY LYS LEU LYS SER LEU LYS GLU ILE VAL GLY          
SEQRES  21 A  310  LEU LEU LYS GLU LEU GLU ILE SER ASN TYR ALA ILE ASN          
SEQRES  22 A  310  GLU TYR VAL GLN GLY SER THR ARG ARG TYR ALA VAL ALA          
SEQRES  23 A  310  TRP SER PHE THR ASP ILE GLN LEU PRO GLU GLU LEU SER          
SEQRES  24 A  310  ARG PRO SER ASN PRO GLU LEU SER SER LEU PHE                  
HET    EPE  A 401      33                                                       
HET    GOL  A 402      14                                                       
HET    XPN  A 403      31                                                       
HET    SAH  A 404      46                                                       
HETNAM     EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID              
HETNAM     GOL GLYCEROL                                                         
HETNAM     XPN BAEOCYSTIN                                                       
HETNAM     SAH S-ADENOSYL-L-HOMOCYSTEINE                                        
HETSYN     EPE HEPES                                                            
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
HETSYN     XPN [3-[2-(METHYLAMINO)ETHYL]-1~{H}-INDOL-4-YL] DIHYDROGEN           
HETSYN   2 XPN  PHOSPHATE                                                       
FORMUL   2  EPE    C8 H18 N2 O4 S                                               
FORMUL   3  GOL    C3 H8 O3                                                     
FORMUL   4  XPN    C11 H15 N2 O4 P                                              
FORMUL   5  SAH    C14 H20 N6 O5 S                                              
FORMUL   6  HOH   *456(H2 O)                                                    
HELIX    1 AA1 ASN A    5  THR A    9  5                                   5    
HELIX    2 AA2 ASP A   12  PHE A   20  1                                   9    
HELIX    3 AA3 PRO A   21  PRO A   25  5                                   5    
HELIX    4 AA4 ILE A   41  GLY A   58  1                                  18    
HELIX    5 AA5 THR A   71  GLY A   94  1                                  24    
HELIX    6 AA6 ALA A  112  PHE A  122  1                                  11    
HELIX    7 AA7 GLU A  133  ASN A  147  1                                  15    
HELIX    8 AA8 LEU A  165  ALA A  171  1                                   7    
HELIX    9 AA9 GLY A  189  GLN A  194  1                                   6    
HELIX   10 AB1 THR A  213  MET A  217  1                                   5    
HELIX   11 AB2 GLY A  221  LEU A  235  1                                  15    
HELIX   12 AB3 LYS A  250  LEU A  264  1                                  15    
HELIX   13 AB4 PRO A  294  ARG A  299  1                                   6    
HELIX   14 AB5 ASN A  302  SER A  306  5                                   5    
SHEET    1 AA1 2 VAL A  27  VAL A  29  0                                        
SHEET    2 AA1 2 SER A  35  VAL A  37 -1  O  SER A  36   N  SER A  28           
SHEET    1 AA2 7 LEU A 153  GLU A 157  0                                        
SHEET    2 AA2 7 TRP A 125  GLU A 131  1  N  GLY A 129   O  SER A 154           
SHEET    3 AA2 7 ILE A 101  ILE A 106  1  N  ASP A 105   O  THR A 130           
SHEET    4 AA2 7 TYR A 177  CYS A 182  1  O  GLU A 178   N  LYS A 102           
SHEET    5 AA2 7 CYS A 241  LEU A 248  1  O  ASN A 247   N  CYS A 182           
SHEET    6 AA2 7 THR A 279  SER A 287 -1  O  TRP A 286   N  TYR A 244           
SHEET    7 AA2 7 ASN A 268  GLN A 276 -1  N  GLN A 276   O  THR A 279           
SHEET    1 AA3 2 TYR A 187  ASP A 188  0                                        
SHEET    2 AA3 2 SER A 218  THR A 219  1  O  THR A 219   N  TYR A 187           
CRYST1   39.399   58.327  130.409  90.00  90.00  90.00 P 2 21 21     4          
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      0.025381  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017145  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007668        0.00000