HEADER    TRANSFERASE                             05-DEC-23   8XAR              
TITLE     STRUCTURE-BASED DESIGN AND OPTIMIZATION OF METHIONINE                 
TITLE    2 ADENOSYLTRANSFERASE 2A (MAT2A) INHIBITORS WITH SAM AND COMPOUND 54   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: S-ADENOSYLMETHIONINE SYNTHASE ISOFORM TYPE-2;              
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.5.1.6;                                                         
COMPND   5 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: MAT2A;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    TRANSFERASE, ONE-CARBON METABOLISM, METAL-BINDING, INHIBITOR COMPLEX  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.Y.ZHENG,G.P.ZHANG,J.J.LI,S.L.TONG                                   
REVDAT   1   26-JUN-24 8XAR    0                                                
JRNL        AUTH   J.ZHENG,T.ZHANG,S.TONG,T.LIU,J.CUI,H.XU,D.HU,Y.SHEN,Y.YIN,   
JRNL        AUTH 2 D.ZHAO,C.TAN,X.DONG,J.CHEN,F.JI,C.TONG,J.J.LI,J.LI,G.ZHANG   
JRNL        TITL   STRUCTURE-BASED DESIGN AND OPTIMIZATION OF METHIONINE        
JRNL        TITL 2 ADENOSYLTRANSFERASE 2A (MAT2A) INHIBITORS WITH HIGH          
JRNL        TITL 3 SELECTIVITY, BRAIN PENETRATION, AND IN VIVO EFFICACY.        
JRNL        REF    J.MED.CHEM.                   V.  67  9431 2024              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   38818879                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.4C00552                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.19 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0419                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.19                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.12                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 111426                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.112                           
REMARK   3   R VALUE            (WORKING SET) : 0.111                           
REMARK   3   FREE R VALUE                     : 0.130                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5822                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.19                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.22                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 7625                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 90.29                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2230                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 378                          
REMARK   3   BIN FREE R VALUE                    : 0.2270                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2954                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 65                                      
REMARK   3   SOLVENT ATOMS            : 534                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.95                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.30000                                              
REMARK   3    B22 (A**2) : -1.23000                                             
REMARK   3    B33 (A**2) : -2.06000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.030         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.030         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.027         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.462         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.987                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.984                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3430 ; 0.006 ; 0.012       
REMARK   3   BOND LENGTHS OTHERS               (A):  3275 ; 0.001 ; 0.016       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4687 ; 1.437 ; 1.675       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  7589 ; 0.499 ; 1.592       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   448 ; 6.835 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    24 ; 6.438 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   601 ;12.769 ;10.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   507 ; 0.076 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4175 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   770 ; 0.003 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1702 ; 2.013 ; 1.125       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1702 ; 2.013 ; 1.125       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2180 ; 3.055 ; 2.030       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  2181 ; 3.056 ; 2.030       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1728 ; 2.923 ; 1.318       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1729 ; 2.922 ; 1.319       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2508 ; 4.399 ; 2.336       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  4262 ;12.569 ;17.240       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  4010 ; 9.631 ;12.720       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  6705 ; 2.237 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 8XAR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-DEC-23.                  
REMARK 100 THE DEPOSITION ID IS D_1300042868.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-APR-22                          
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               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97935                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 X 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 117262                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.190                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.120                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : 13.20                              
REMARK 200  R MERGE                    (I) : 0.07800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.19                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.21                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 12.40                              
REMARK 200  R MERGE FOR SHELL          (I) : 1.31700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 7BHR                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.42                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS PH 8.0; 0.2M LICL; 10% EG;     
REMARK 280  18%-22% PEG6000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K    
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       34.09000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       47.08000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       58.56000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       34.09000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       47.08000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       58.56000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       34.09000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       47.08000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       58.56000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       34.09000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       47.08000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       58.56000            
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                                     
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 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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 682  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 879  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 994  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   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     HIS A    -9                                                      
REMARK 465     HIS A    -8                                                      
REMARK 465     HIS A    -7                                                      
REMARK 465     GLU A    -6                                                      
REMARK 465     ASN A    -5                                                      
REMARK 465     LEU A    -4                                                      
REMARK 465     TYR A    -3                                                      
REMARK 465     PHE A    -2                                                      
REMARK 465     GLN A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ASN A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     GLN A     4                                                      
REMARK 465     LEU A     5                                                      
REMARK 465     ASN A     6                                                      
REMARK 465     GLY A     7                                                      
REMARK 465     PHE A     8                                                      
REMARK 465     HIS A     9                                                      
REMARK 465     GLU A    10                                                      
REMARK 465     ALA A    11                                                      
REMARK 465     PHE A    12                                                      
REMARK 465     ILE A    13                                                      
REMARK 465     GLU A    14                                                      
REMARK 465     GLU A    15                                                      
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    ILE A 198      -61.08   -107.61                                   
REMARK 500    VAL A 226      -68.37   -107.87                                   
REMARK 500    THR A 270     -102.61   -120.34                                   
REMARK 500    ARG A 292      -60.88    -93.66                                   
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 264         0.08    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 A1034        DISTANCE =  5.82 ANGSTROMS                       
DBREF  8XAR A    1   395  UNP    P31153   METK2_HUMAN      1    395             
SEQADV 8XAR MET A  -13  UNP  P31153              INITIATING METHIONINE          
SEQADV 8XAR HIS A  -12  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR HIS A  -11  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR HIS A  -10  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR HIS A   -9  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR HIS A   -8  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR HIS A   -7  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR GLU A   -6  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR ASN A   -5  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR LEU A   -4  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR TYR A   -3  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR PHE A   -2  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR GLN A   -1  UNP  P31153              EXPRESSION TAG                 
SEQADV 8XAR SER A    0  UNP  P31153              EXPRESSION TAG                 
SEQRES   1 A  409  MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN          
SEQRES   2 A  409  SER MET ASN GLY GLN LEU ASN GLY PHE HIS GLU ALA PHE          
SEQRES   3 A  409  ILE GLU GLU GLY THR PHE LEU PHE THR SER GLU SER VAL          
SEQRES   4 A  409  GLY GLU GLY HIS PRO ASP LYS ILE CYS ASP GLN ILE SER          
SEQRES   5 A  409  ASP ALA VAL LEU ASP ALA HIS LEU GLN GLN ASP PRO ASP          
SEQRES   6 A  409  ALA LYS VAL ALA CYS GLU THR VAL ALA LYS THR GLY MET          
SEQRES   7 A  409  ILE LEU LEU ALA GLY GLU ILE THR SER ARG ALA ALA VAL          
SEQRES   8 A  409  ASP TYR GLN LYS VAL VAL ARG GLU ALA VAL LYS HIS ILE          
SEQRES   9 A  409  GLY TYR ASP ASP SER SER LYS GLY PHE ASP TYR LYS THR          
SEQRES  10 A  409  CYS ASN VAL LEU VAL ALA LEU GLU GLN GLN SER PRO ASP          
SEQRES  11 A  409  ILE ALA GLN GLY VAL HIS LEU ASP ARG ASN GLU GLU ASP          
SEQRES  12 A  409  ILE GLY ALA GLY ASP GLN GLY LEU MET PHE GLY TYR ALA          
SEQRES  13 A  409  THR ASP GLU THR GLU GLU CYS MET PRO LEU THR ILE VAL          
SEQRES  14 A  409  LEU ALA HIS LYS LEU ASN ALA LYS LEU ALA GLU LEU ARG          
SEQRES  15 A  409  ARG ASN GLY THR LEU PRO TRP LEU ARG PRO ASP SER LYS          
SEQRES  16 A  409  THR GLN VAL THR VAL GLN TYR MET GLN ASP ARG GLY ALA          
SEQRES  17 A  409  VAL LEU PRO ILE ARG VAL HIS THR ILE VAL ILE SER VAL          
SEQRES  18 A  409  GLN HIS ASP GLU GLU VAL CYS LEU ASP GLU MET ARG ASP          
SEQRES  19 A  409  ALA LEU LYS GLU LYS VAL ILE LYS ALA VAL VAL PRO ALA          
SEQRES  20 A  409  LYS TYR LEU ASP GLU ASP THR ILE TYR HIS LEU GLN PRO          
SEQRES  21 A  409  SER GLY ARG PHE VAL ILE GLY GLY PRO GLN GLY ASP ALA          
SEQRES  22 A  409  GLY LEU THR GLY ARG LYS ILE ILE VAL ASP THR TYR GLY          
SEQRES  23 A  409  GLY TRP GLY ALA HIS GLY GLY GLY ALA PHE SER GLY LYS          
SEQRES  24 A  409  ASP TYR THR LYS VAL ASP ARG SER ALA ALA TYR ALA ALA          
SEQRES  25 A  409  ARG TRP VAL ALA LYS SER LEU VAL LYS GLY GLY LEU CYS          
SEQRES  26 A  409  ARG ARG VAL LEU VAL GLN VAL SER TYR ALA ILE GLY VAL          
SEQRES  27 A  409  SER HIS PRO LEU SER ILE SER ILE PHE HIS TYR GLY THR          
SEQRES  28 A  409  SER GLN LYS SER GLU ARG GLU LEU LEU GLU ILE VAL LYS          
SEQRES  29 A  409  LYS ASN PHE ASP LEU ARG PRO GLY VAL ILE VAL ARG ASP          
SEQRES  30 A  409  LEU ASP LEU LYS LYS PRO ILE TYR GLN ARG THR ALA ALA          
SEQRES  31 A  409  TYR GLY HIS PHE GLY ARG ASP SER PHE PRO TRP GLU VAL          
SEQRES  32 A  409  PRO LYS LYS LEU LYS TYR                                      
HET    YMW  A 401      23                                                       
HET    GOL  A 402       6                                                       
HET    SAM  A 403      27                                                       
HET    EDO  A 404       4                                                       
HET    EDO  A 405       8                                                       
HET     CL  A 406       1                                                       
HETNAM     YMW 7-CHLORANYL-2-ETHYL-5-PYRIDIN-3-YL-PYRAZOLO[3,4-                 
HETNAM   2 YMW  C]QUINOLIN-4-ONE                                                
HETNAM     GOL GLYCEROL                                                         
HETNAM     SAM S-ADENOSYLMETHIONINE                                             
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM      CL CHLORIDE ION                                                     
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   2  YMW    C17 H13 CL N4 O                                              
FORMUL   3  GOL    C3 H8 O3                                                     
FORMUL   4  SAM    C15 H22 N6 O5 S                                              
FORMUL   5  EDO    2(C2 H6 O2)                                                  
FORMUL   7   CL    CL 1-                                                        
FORMUL   8  HOH   *534(H2 O)                                                    
HELIX    1 AA1 HIS A   29  ASP A   49  1                                  21    
HELIX    2 AA2 ASP A   78  GLY A   91  1                                  14    
HELIX    3 AA3 SER A   95  GLY A   98  5                                   4    
HELIX    4 AA4 SER A  114  HIS A  122  1                                   9    
HELIX    5 AA5 ASN A  126  ILE A  130  5                                   5    
HELIX    6 AA6 PRO A  151  ASN A  170  1                                  20    
HELIX    7 AA7 CYS A  214  LYS A  225  1                                  12    
HELIX    8 AA8 VAL A  226  VAL A  231  1                                   6    
HELIX    9 AA9 PRO A  232  LEU A  236  5                                   5    
HELIX   10 AB1 GLY A  253  GLY A  257  5                                   5    
HELIX   11 AB2 LYS A  289  GLY A  308  1                                  20    
HELIX   12 AB3 SER A  341  PHE A  353  1                                  13    
HELIX   13 AB4 ARG A  356  ASP A  365  1                                  10    
HELIX   14 AB5 ILE A  370  ALA A  375  5                                   6    
HELIX   15 AB6 PHE A  385  VAL A  389  5                                   5    
SHEET    1 AA1 4 PHE A  18  VAL A  25  0                                        
SHEET    2 AA1 4 LEU A 176  ASP A 191 -1  O  TYR A 188   N  PHE A  18           
SHEET    3 AA1 4 ALA A 194  HIS A 209 -1  O  ARG A 199   N  GLN A 187           
SHEET    4 AA1 4 ILE A 241  LEU A 244  1  O  HIS A 243   N  ILE A 203           
SHEET    1 AA2 4 ASN A 105  GLU A 111  0                                        
SHEET    2 AA2 4 MET A  64  THR A  72  1  N  LEU A  67   O  ALA A 109           
SHEET    3 AA2 4 LYS A  53  LYS A  61 -1  N  LYS A  61   O  MET A  64           
SHEET    4 AA2 4 GLY A 260  LEU A 261 -1  O  GLY A 260   N  ALA A  60           
SHEET    1 AA3 2 ASP A  93  ASP A  94  0                                        
SHEET    2 AA3 2 PHE A  99  ASP A 100 -1  O  PHE A  99   N  ASP A  94           
SHEET    1 AA4 3 GLY A 136  THR A 143  0                                        
SHEET    2 AA4 3 ARG A 313  TYR A 320 -1  O  VAL A 316   N  GLY A 140           
SHEET    3 AA4 3 SER A 329  PHE A 333 -1  O  PHE A 333   N  LEU A 315           
CRYST1   68.180   94.160  117.120  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      0.014667  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010620  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008538        0.00000