HEADER    TRANSFERASE                             01-JUL-24   9CH5              
TITLE     STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP PRECURSOR  
TITLE    2 (SONA-L63D) HETEROMERIC COMPLEX (BOUND TO SAM)                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TP-METHYLASE FAMILY PROTEIN;                               
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: EXTRADIOL RING-CLEAVAGE DIOXYGENASE LIGAB LIGA SUBUNIT     
COMPND   7 DOMAIN-CONTAINING PROTEIN;                                           
COMPND   8 CHAIN: B, D;                                                         
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SHEWANELLA ONEIDENSIS;                          
SOURCE   3 ORGANISM_TAXID: 70863;                                               
SOURCE   4 GENE: SO_1478;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: SHEWANELLA ONEIDENSIS;                          
SOURCE   9 ORGANISM_TAXID: 70863;                                               
SOURCE  10 GENE: SO_1479;                                                       
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALPHA-N-METHYLTRANSFERASE, TRANSFERASE                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.K.CRONE,J.W.LABONTE,M.ELIAS,M.F.FREEMAN                             
REVDAT   1   29-JAN-25 9CH5    0                                                
JRNL        AUTH   K.K.CRONE,J.W.LABONTE,M.H.ELIAS,M.F.FREEMAN                  
JRNL        TITL   ALPHA-N-METHYLTRANSFERASE REGIOSPECIFICITY IS MEDIATED BY    
JRNL        TITL 2 PROXIMAL, REDUNDANT ENZYME-SUBSTRATE INTERACTIONS.           
JRNL        REF    PROTEIN SCI.                  V.  34 70021 2025              
JRNL        REFN                   ESSN 1469-896X                               
JRNL        PMID   39840790                                                     
JRNL        DOI    10.1002/PRO.70021                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.90                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 40198                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.242                           
REMARK   3   R VALUE            (WORKING SET) : 0.240                           
REMARK   3   FREE R VALUE                     : 0.279                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.940                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1987                            
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 19.9000 -  4.8000    0.97     2958   166  0.2721 0.2759        
REMARK   3     2  4.8000 -  3.8200    0.93     2812   161  0.2488 0.3302        
REMARK   3     3  3.8200 -  3.3400    0.86     2581   129  0.2704 0.3264        
REMARK   3     4  3.3400 -  3.0300    0.99     2991   156  0.2709 0.3047        
REMARK   3     5  3.0300 -  2.8200    0.98     2954   145  0.2578 0.2624        
REMARK   3     6  2.8200 -  2.6500    0.96     2900   183  0.2366 0.2834        
REMARK   3     7  2.6500 -  2.5200    0.96     2890   152  0.2328 0.2585        
REMARK   3     8  2.5200 -  2.4100    0.98     2952   135  0.2080 0.2308        
REMARK   3     9  2.4100 -  2.3200    0.98     2967   166  0.1797 0.2275        
REMARK   3    10  2.3200 -  2.2400    0.69     2096   106  0.1737 0.2181        
REMARK   3    11  2.2400 -  2.1700    0.97     2881   146  0.1762 0.2243        
REMARK   3    12  2.1700 -  2.1100    0.98     2968   131  0.1968 0.2475        
REMARK   3    13  2.1100 -  2.0500    0.42     1272    60  0.2151 0.2186        
REMARK   3    14  2.0500 -  2.0000    0.99     2989   151  0.1983 0.2506        
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)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.880           
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      :  0.007           NULL                                  
REMARK   3   ANGLE     :  1.041           NULL                                  
REMARK   3   CHIRALITY :  0.058            782                                  
REMARK   3   PLANARITY :  0.007            902                                  
REMARK   3   DIHEDRAL  : 11.424            702                                  
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 9CH5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUL-24.                  
REMARK 100 THE DEPOSITION ID IS D_1000285508.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-NOV-21                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 23-ID-B                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.033167                           
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER X 16M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 75115                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.900                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 85.6                               
REMARK 200  DATA REDUNDANCY                : 2.290                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.1900                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.10                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.53                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 240 MM SODIUM MALONATE PH 5.5 WITH 2%    
REMARK 280  PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
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       54.19000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10290 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 24360 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -65.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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 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     1                                                      
REMARK 465     MET B    -6                                                      
REMARK 465     HIS B    -5                                                      
REMARK 465     HIS B    -4                                                      
REMARK 465     HIS B    -3                                                      
REMARK 465     HIS B    -2                                                      
REMARK 465     HIS B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     SER B    54                                                      
REMARK 465     GLY B    55                                                      
REMARK 465     ASP B    56                                                      
REMARK 465     SER B    57                                                      
REMARK 465     SER B    58                                                      
REMARK 465     TYR B    59                                                      
REMARK 465     GLN B    60                                                      
REMARK 465     SER B    61                                                      
REMARK 465     TYR B    62                                                      
REMARK 465     ASP B    63                                                      
REMARK 465     VAL B    64                                                      
REMARK 465     ILE B    65                                                      
REMARK 465     SER B    66                                                      
REMARK 465     HIS B    67                                                      
REMARK 465     GLY B    68                                                      
REMARK 465     ASN B    69                                                      
REMARK 465     GLY B    70                                                      
REMARK 465     ASP B    71                                                      
REMARK 465     MET C     1                                                      
REMARK 465     MET D    -6                                                      
REMARK 465     HIS D    -5                                                      
REMARK 465     HIS D    -4                                                      
REMARK 465     HIS D    -3                                                      
REMARK 465     HIS D    -2                                                      
REMARK 465     HIS D    -1                                                      
REMARK 465     HIS D     0                                                      
REMARK 465     MET D     1                                                      
REMARK 465     SER D     2                                                      
REMARK 465     GLY D     3                                                      
REMARK 465     GLY D    55                                                      
REMARK 465     ASP D    56                                                      
REMARK 465     SER D    57                                                      
REMARK 465     SER D    58                                                      
REMARK 465     TYR D    59                                                      
REMARK 465     GLN D    60                                                      
REMARK 465     SER D    61                                                      
REMARK 465     SER D    66                                                      
REMARK 465     HIS D    67                                                      
REMARK 465     GLY D    68                                                      
REMARK 465     ASN D    69                                                      
REMARK 465     GLY D    70                                                      
REMARK 465     ASP D    71                                                      
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   NH1  ARG A    67     O    HOH A   401              2.10            
REMARK 500   O    HOH A   465     O    HOH A   564              2.11            
REMARK 500   OH   TYR C    71     O    VAL D    64              2.12            
REMARK 500   O    GLY C    85     O    HOH C   401              2.15            
REMARK 500   OE2  GLU C    72     O    HOH C   402              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS C 243   CE    LYS C 243   NZ      0.365                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LYS C 243   CB  -  CG  -  CD  ANGL. DEV. =  34.3 DEGREES          
REMARK 500    LYS C 243   CD  -  CE  -  NZ  ANGL. DEV. = -27.9 DEGREES          
REMARK 500    LYS C 243   CA  -  C   -  N   ANGL. DEV. = -14.8 DEGREES          
REMARK 500    GLU C 260   CA  -  CB  -  CG  ANGL. DEV. =  17.6 DEGREES          
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  14      -41.14     75.01                                   
REMARK 500    ALA C  14      -41.08     74.79                                   
REMARK 500    ASP D  63      -52.60     73.97                                   
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    GLN D  16         0.10    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    LYS C 243         12.46                                           
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 603        DISTANCE =  6.02 ANGSTROMS                       
REMARK 525    HOH A 604        DISTANCE =  6.13 ANGSTROMS                       
REMARK 525    HOH A 605        DISTANCE =  6.98 ANGSTROMS                       
REMARK 525    HOH A 606        DISTANCE =  8.57 ANGSTROMS                       
REMARK 525    HOH A 607        DISTANCE = 10.42 ANGSTROMS                       
REMARK 525    HOH C 592        DISTANCE =  5.85 ANGSTROMS                       
REMARK 525    HOH C 593        DISTANCE =  6.09 ANGSTROMS                       
REMARK 525    HOH C 594        DISTANCE =  6.58 ANGSTROMS                       
REMARK 525    HOH C 595        DISTANCE =  7.09 ANGSTROMS                       
REMARK 525    HOH C 596        DISTANCE =  7.39 ANGSTROMS                       
REMARK 525    HOH C 597        DISTANCE =  9.08 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 9CH3   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA-L63D) HETEROMERIC COMPLEX (BOUND TO SAH)             
REMARK 900 RELATED ID: 9CH2   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA-L63D) HETEROMERIC COMPLEX                            
REMARK 900 RELATED ID: 9CH1   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA-I65W) HETEROMERIC COMPLEX (BOUND TO SAM)             
REMARK 900 RELATED ID: 9CH0   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA-I65W) HETEROMERIC COMPLEX (BOUND TO SAH)             
REMARK 900 RELATED ID: 9CGW   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA-I65W) HETEROMERIC COMPLEX (NO COFACTOR)              
REMARK 900 RELATED ID: 7LTE   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA) HETEROMERIC COMPLEX (WITH SAH)                      
REMARK 900 RELATED ID: 7LTF   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM MUTANT Y58F) AND    
REMARK 900 RIPP PRECURSOR (SONA) HETEROMERIC COMPLEX (NO COFACTOR)              
REMARK 900 RELATED ID: 7LTH   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM MUTANT Y93F) AND    
REMARK 900 RIPP PRECURSOR (SONA) HETEROMERIC COMPLEX (NO COFACTOR)              
REMARK 900 RELATED ID: 7LTR   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE HETEROMERIC COMPLEX BETWEEN THE ALPHA-N-            
REMARK 900 METHYLTRANSFERASE (SONM) AND A TRUNCATED CONSTRUCT OF THE RIPP       
REMARK 900 PRECURSOR (SONA) (WITH SAM)                                          
REMARK 900 RELATED ID: 7LTS   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM MUTANT R67A) AND    
REMARK 900 RIPP PRECURSOR (SONA) HETEROMERIC COMPLEX (WITH SAH)                 
REMARK 900 RELATED ID: 8T1T   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA WITH QSY DELETION) HETEROMERIC COMPLEX (BOUND TO     
REMARK 900 SAM)                                                                 
REMARK 900 RELATED ID: 8T1S   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP           
REMARK 900 PRECURSOR (SONA WITH QSY DELETION) HETEROMERIC COMPLEX (BOUND TO     
REMARK 900 SAH)                                                                 
DBREF  9CH5 A    1   263  UNP    Q8EGW3   Q8EGW3_SHEON     1    263             
DBREF  9CH5 B    1    71  UNP    Q8EGW2   Q8EGW2_SHEON     1     71             
DBREF  9CH5 C    1   263  UNP    Q8EGW3   Q8EGW3_SHEON     1    263             
DBREF  9CH5 D    1    71  UNP    Q8EGW2   Q8EGW2_SHEON     1     71             
SEQADV 9CH5 MET B   -6  UNP  Q8EGW2              INITIATING METHIONINE          
SEQADV 9CH5 HIS B   -5  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS B   -4  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS B   -3  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS B   -2  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS B   -1  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS B    0  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 ASP B   63  UNP  Q8EGW2    LEU    63 ENGINEERED MUTATION            
SEQADV 9CH5 MET D   -6  UNP  Q8EGW2              INITIATING METHIONINE          
SEQADV 9CH5 HIS D   -5  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS D   -4  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS D   -3  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS D   -2  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS D   -1  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 HIS D    0  UNP  Q8EGW2              EXPRESSION TAG                 
SEQADV 9CH5 ASP D   63  UNP  Q8EGW2    LEU    63 ENGINEERED MUTATION            
SEQRES   1 A  263  MET GLY SER LEU VAL CYS VAL GLY THR GLY LEU GLN LEU          
SEQRES   2 A  263  ALA GLY GLN ILE SER VAL LEU SER ARG SER TYR ILE GLU          
SEQRES   3 A  263  HIS ALA ASP ILE VAL PHE SER LEU LEU PRO ASP GLY PHE          
SEQRES   4 A  263  SER GLN ARG TRP LEU THR LYS LEU ASN PRO ASN VAL ILE          
SEQRES   5 A  263  ASN LEU GLN GLN PHE TYR ALA GLN ASN GLY GLU VAL LYS          
SEQRES   6 A  263  ASN ARG ARG ASP THR TYR GLU GLN MET VAL ASN ALA ILE          
SEQRES   7 A  263  LEU ASP ALA VAL ARG ALA GLY LYS LYS THR VAL CYS ALA          
SEQRES   8 A  263  LEU TYR GLY HIS PRO GLY VAL PHE ALA CYS VAL SER HIS          
SEQRES   9 A  263  MET ALA ILE THR ARG ALA LYS ALA GLU GLY PHE SER ALA          
SEQRES  10 A  263  LYS MET GLU PRO GLY ILE SER ALA GLU ALA CYS LEU TRP          
SEQRES  11 A  263  ALA ASP LEU GLY ILE ASP PRO GLY ASN SER GLY HIS GLN          
SEQRES  12 A  263  SER PHE GLU ALA SER GLN PHE MET PHE PHE ASN HIS VAL          
SEQRES  13 A  263  PRO ASP PRO THR THR HIS LEU LEU LEU TRP GLN ILE ALA          
SEQRES  14 A  263  ILE ALA GLY GLU HIS THR LEU THR GLN PHE HIS THR SER          
SEQRES  15 A  263  SER ASP ARG LEU GLN ILE LEU VAL GLU GLN LEU ASN GLN          
SEQRES  16 A  263  TRP TYR PRO LEU ASP HIS GLU VAL VAL ILE TYR GLU ALA          
SEQRES  17 A  263  ALA ASN LEU PRO ILE GLN ALA PRO ARG ILE GLU ARG LEU          
SEQRES  18 A  263  PRO LEU ALA ASN LEU PRO GLN ALA HIS LEU MET PRO ILE          
SEQRES  19 A  263  SER THR LEU LEU ILE PRO PRO ALA LYS LYS LEU GLU TYR          
SEQRES  20 A  263  ASN TYR ALA ILE LEU ALA LYS LEU GLY ILE GLY PRO GLU          
SEQRES  21 A  263  ASP LEU GLY                                                  
SEQRES   1 B   78  MET HIS HIS HIS HIS HIS HIS MET SER GLY LEU SER ASP          
SEQRES   2 B   78  PHE PHE THR GLN LEU GLY GLN ASP ALA GLN LEU MET GLU          
SEQRES   3 B   78  ASP TYR LYS GLN ASN PRO GLU ALA VAL MET ARG ALA HIS          
SEQRES   4 B   78  GLY LEU THR ASP GLU GLN ILE ASN ALA VAL MET THR GLY          
SEQRES   5 B   78  ASP MET GLU LYS LEU LYS THR LEU SER GLY ASP SER SER          
SEQRES   6 B   78  TYR GLN SER TYR ASP VAL ILE SER HIS GLY ASN GLY ASP          
SEQRES   1 C  263  MET GLY SER LEU VAL CYS VAL GLY THR GLY LEU GLN LEU          
SEQRES   2 C  263  ALA GLY GLN ILE SER VAL LEU SER ARG SER TYR ILE GLU          
SEQRES   3 C  263  HIS ALA ASP ILE VAL PHE SER LEU LEU PRO ASP GLY PHE          
SEQRES   4 C  263  SER GLN ARG TRP LEU THR LYS LEU ASN PRO ASN VAL ILE          
SEQRES   5 C  263  ASN LEU GLN GLN PHE TYR ALA GLN ASN GLY GLU VAL LYS          
SEQRES   6 C  263  ASN ARG ARG ASP THR TYR GLU GLN MET VAL ASN ALA ILE          
SEQRES   7 C  263  LEU ASP ALA VAL ARG ALA GLY LYS LYS THR VAL CYS ALA          
SEQRES   8 C  263  LEU TYR GLY HIS PRO GLY VAL PHE ALA CYS VAL SER HIS          
SEQRES   9 C  263  MET ALA ILE THR ARG ALA LYS ALA GLU GLY PHE SER ALA          
SEQRES  10 C  263  LYS MET GLU PRO GLY ILE SER ALA GLU ALA CYS LEU TRP          
SEQRES  11 C  263  ALA ASP LEU GLY ILE ASP PRO GLY ASN SER GLY HIS GLN          
SEQRES  12 C  263  SER PHE GLU ALA SER GLN PHE MET PHE PHE ASN HIS VAL          
SEQRES  13 C  263  PRO ASP PRO THR THR HIS LEU LEU LEU TRP GLN ILE ALA          
SEQRES  14 C  263  ILE ALA GLY GLU HIS THR LEU THR GLN PHE HIS THR SER          
SEQRES  15 C  263  SER ASP ARG LEU GLN ILE LEU VAL GLU GLN LEU ASN GLN          
SEQRES  16 C  263  TRP TYR PRO LEU ASP HIS GLU VAL VAL ILE TYR GLU ALA          
SEQRES  17 C  263  ALA ASN LEU PRO ILE GLN ALA PRO ARG ILE GLU ARG LEU          
SEQRES  18 C  263  PRO LEU ALA ASN LEU PRO GLN ALA HIS LEU MET PRO ILE          
SEQRES  19 C  263  SER THR LEU LEU ILE PRO PRO ALA LYS LYS LEU GLU TYR          
SEQRES  20 C  263  ASN TYR ALA ILE LEU ALA LYS LEU GLY ILE GLY PRO GLU          
SEQRES  21 C  263  ASP LEU GLY                                                  
SEQRES   1 D   78  MET HIS HIS HIS HIS HIS HIS MET SER GLY LEU SER ASP          
SEQRES   2 D   78  PHE PHE THR GLN LEU GLY GLN ASP ALA GLN LEU MET GLU          
SEQRES   3 D   78  ASP TYR LYS GLN ASN PRO GLU ALA VAL MET ARG ALA HIS          
SEQRES   4 D   78  GLY LEU THR ASP GLU GLN ILE ASN ALA VAL MET THR GLY          
SEQRES   5 D   78  ASP MET GLU LYS LEU LYS THR LEU SER GLY ASP SER SER          
SEQRES   6 D   78  TYR GLN SER TYR ASP VAL ILE SER HIS GLY ASN GLY ASP          
HET    SAH  A 301      26                                                       
HET    SAH  C 301      26                                                       
HETNAM     SAH S-ADENOSYL-L-HOMOCYSTEINE                                        
FORMUL   5  SAH    2(C14 H20 N6 O5 S)                                           
FORMUL   7  HOH   *487(H2 O)                                                    
HELIX    1 AA1 SER A   18  ALA A   28  1                                  11    
HELIX    2 AA2 ASP A   37  ASN A   48  1                                  12    
HELIX    3 AA3 GLN A   55  TYR A   58  5                                   4    
HELIX    4 AA4 ASN A   66  GLY A   85  1                                  20    
HELIX    5 AA5 CYS A  101  GLU A  113  1                                  13    
HELIX    6 AA6 SER A  124  GLY A  134  1                                  11    
HELIX    7 AA7 ALA A  147  PHE A  153  1                                   7    
HELIX    8 AA8 GLN A  167  ALA A  171  5                                   5    
HELIX    9 AA9 SER A  182  ASN A  194  1                                  13    
HELIX   10 AB1 ALA A  224  ALA A  229  5                                   6    
HELIX   11 AB2 ASN A  248  LEU A  255  1                                   8    
HELIX   12 AB3 GLY A  258  LEU A  262  5                                   5    
HELIX   13 AB4 LEU B    4  ASP B   14  1                                  11    
HELIX   14 AB5 ASP B   14  ASN B   24  1                                  11    
HELIX   15 AB6 ASN B   24  HIS B   32  1                                   9    
HELIX   16 AB7 THR B   35  GLY B   45  1                                  11    
HELIX   17 AB8 ASP B   46  LEU B   53  1                                   8    
HELIX   18 AB9 SER C   18  ALA C   28  1                                  11    
HELIX   19 AC1 ASP C   37  ASN C   48  1                                  12    
HELIX   20 AC2 GLN C   55  TYR C   58  5                                   4    
HELIX   21 AC3 ASN C   66  GLY C   85  1                                  20    
HELIX   22 AC4 CYS C  101  GLU C  113  1                                  13    
HELIX   23 AC5 SER C  124  GLY C  134  1                                  11    
HELIX   24 AC6 ALA C  147  PHE C  153  1                                   7    
HELIX   25 AC7 GLN C  167  ALA C  171  5                                   5    
HELIX   26 AC8 SER C  182  ASN C  194  1                                  13    
HELIX   27 AC9 ALA C  224  ALA C  229  5                                   6    
HELIX   28 AD1 ASN C  248  LEU C  255  1                                   8    
HELIX   29 AD2 GLY C  258  LEU C  262  5                                   5    
HELIX   30 AD3 SER D    5  ASP D   14  1                                  10    
HELIX   31 AD4 ASP D   14  ASN D   24  1                                  11    
HELIX   32 AD5 ASN D   24  HIS D   32  1                                   9    
HELIX   33 AD6 THR D   35  GLY D   45  1                                  11    
HELIX   34 AD7 ASP D   46  SER D   54  1                                   9    
SHEET    1 AA1 5 VAL A  51  ASN A  53  0                                        
SHEET    2 AA1 5 ILE A  30  LEU A  34  1  N  VAL A  31   O  ILE A  52           
SHEET    3 AA1 5 LYS A  87  LEU A  92  1  O  ALA A  91   N  PHE A  32           
SHEET    4 AA1 5 SER A   3  GLY A   8  1  N  VAL A   7   O  CYS A  90           
SHEET    5 AA1 5 SER A 116  MET A 119  1  O  SER A 116   N  LEU A   4           
SHEET    1 AA210 ARG A 217  PRO A 222  0                                        
SHEET    2 AA210 GLU A 202  GLU A 207 -1  N  VAL A 203   O  LEU A 221           
SHEET    3 AA210 THR A 236  ILE A 239 -1  O  LEU A 238   N  VAL A 204           
SHEET    4 AA210 HIS A 162  TRP A 166 -1  N  LEU A 163   O  ILE A 239           
SHEET    5 AA210 HIS A 142  GLU A 146  1  N  PHE A 145   O  TRP A 166           
SHEET    6 AA210 HIS C 142  GLU C 146 -1  O  SER C 144   N  HIS A 142           
SHEET    7 AA210 HIS C 162  TRP C 166  1  O  LEU C 164   N  GLN C 143           
SHEET    8 AA210 THR C 236  ILE C 239 -1  O  ILE C 239   N  LEU C 163           
SHEET    9 AA210 GLU C 202  GLU C 207 -1  N  VAL C 204   O  LEU C 238           
SHEET   10 AA210 ARG C 217  PRO C 222 -1  O  LEU C 221   N  VAL C 203           
SHEET    1 AA3 5 VAL C  51  ASN C  53  0                                        
SHEET    2 AA3 5 ILE C  30  LEU C  34  1  N  VAL C  31   O  ILE C  52           
SHEET    3 AA3 5 LYS C  87  LEU C  92  1  O  ALA C  91   N  PHE C  32           
SHEET    4 AA3 5 SER C   3  GLY C   8  1  N  VAL C   7   O  CYS C  90           
SHEET    5 AA3 5 SER C 116  MET C 119  1  O  SER C 116   N  LEU C   4           
CRYST1   52.480  108.380   59.150  90.00  93.67  90.00 P 1 21 1      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      0.019055  0.000000  0.001222        0.00000                         
SCALE2      0.000000  0.009227  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016941        0.00000