HEADER    TRANSFERASE                             19-FEB-21   7LTC              
TITLE     STRUCTURE OF THE ALPHA-N-METHYLTRANSFERASE (SONM) AND RIPP PRECURSOR  
TITLE    2 (SONA) HETEROMERIC COMPLEX (NO COFACTOR)                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TP-METHYLASE FAMILY PROTEIN;                               
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: SONM;                                                 
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: LIGA DOMAIN-CONTAINING PROTEIN;                            
COMPND   8 CHAIN: B, D;                                                         
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 OTHER_DETAILS: SONA                                                  
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SHEWANELLA ONEIDENSIS;                          
SOURCE   3 ORGANISM_TAXID: 211586;                                              
SOURCE   4 STRAIN: MR-1;                                                        
SOURCE   5 GENE: SO_1478;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: SHEWANELLA ONEIDENSIS;                          
SOURCE  10 ORGANISM_TAXID: 211586;                                              
SOURCE  11 STRAIN: MR-1;                                                        
SOURCE  12 GENE: SO_1479;                                                       
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    POSTTRANSLATIONAL MODIFICATIONS; RIBOSOMALLY SYNTHESIZED AND          
KEYWDS   2 POSTTRANSLATIONALLY MODIFIED PEPTIDES; ALPHA-N-METHYLTRANSFERASE;    
KEYWDS   3 BOROSIN; SAM, TRANSFERASE                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.S.MILLER,K.K.CRONE,M.R.JENSEN,S.SHAW,W.R.HARCOMBE,M.ELIAS,          
AUTHOR   2 M.F.FREEMAN                                                          
REVDAT   3   30-OCT-24 7LTC    1       LINK                                     
REVDAT   2   18-OCT-23 7LTC    1       REMARK                                   
REVDAT   1   29-SEP-21 7LTC    0                                                
JRNL        AUTH   F.S.MILLER,K.K.CRONE,M.R.JENSEN,S.SHAW,W.R.HARCOMBE,         
JRNL        AUTH 2 M.H.ELIAS,M.F.FREEMAN                                        
JRNL        TITL   CONFORMATIONAL REARRANGEMENTS ENABLE ITERATIVE BACKBONE      
JRNL        TITL 2 N-METHYLATION IN RIPP BIOSYNTHESIS.                          
JRNL        REF    NAT COMMUN                    V.  12  5355 2021              
JRNL        REFN                   ESSN 2041-1723                               
JRNL        PMID   34504067                                                     
JRNL        DOI    10.1038/S41467-021-25575-7                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC V5                                            
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.18                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 41676                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.233                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5136                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 542                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.38                          
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  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 7LTC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAR-21.                  
REMARK 100 THE DEPOSITION ID IS D_1000254963.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-MAR-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5-7                              
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   : 43871                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.180                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : 4.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.5300                            
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: 5N0P                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.91                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEINS WERE CONCENTRATED AT 20 MG/ML   
REMARK 280  AND CRYSTALLIZED AT PH RANGING BETWEEN 5.5-7 AND USING PEG 3,350    
REMARK 280  (0-20%) AS PRECIPITANT, VAPOR DIFFUSION, HANGING DROP,              
REMARK 280  TEMPERATURE 293K                                                    
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       54.31000            
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: 13790 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 24270 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 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     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     MET C     1                                                      
REMARK 465     MET D     1                                                      
REMARK 465     SER D     2                                                      
REMARK 465     GLY D     3                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLN B  60    CG   CD   OE1  NE2                                  
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 B   105     O    HOH B   117              1.25            
REMARK 500   OD2  ASP B    56     O    HOH B   101              1.58            
REMARK 500   O    HOH C   309     O    HOH C   334              1.61            
REMARK 500   O    HOH A   306     O    HOH A   464              1.62            
REMARK 500   O    HOH C   446     O    HOH C   480              1.89            
REMARK 500   O    HOH A   455     O    HOH A   511              1.93            
REMARK 500   O    TYR D    59     O    HOH D   101              1.95            
REMARK 500   NZ   LYS A    87     O    HOH A   301              2.05            
REMARK 500   OG   SER C   182     OD1  ASP C   184              2.06            
REMARK 500   OE1  GLN A    55     O    GLN B    60              2.10            
REMARK 500   O    HOH A   470     O    HOH C   457              2.11            
REMARK 500   O    HOH A   428     O    HOH A   495              2.12            
REMARK 500   O    HOH A   369     O    HOH C   461              2.12            
REMARK 500   O    HOH A   455     O    HOH A   492              2.13            
REMARK 500   O    GLY A    85     O    HOH A   302              2.13            
REMARK 500   NE2  GLN B    16     O    HOH B   102              2.14            
REMARK 500   O    HOH C   381     O    HOH C   476              2.14            
REMARK 500   O    HOH C   369     O    HOH C   440              2.15            
REMARK 500   O    HOH A   423     O    HOH A   479              2.16            
REMARK 500   OD2  ASP D    56     O    HOH D   102              2.18            
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   455     O    HOH B   129     2646     1.98            
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      -37.31     77.37                                   
REMARK 500    ASN B  24       79.78   -155.41                                   
REMARK 500    SER B  57      113.78     -9.04                                   
REMARK 500    SER B  58       32.99     76.34                                   
REMARK 500    ALA C  14      -40.13     78.41                                   
REMARK 500    ASN D  24       80.76   -153.27                                   
REMARK 500    TYR D  59      105.63    -19.49                                   
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  42         0.09    SIDE CHAIN                              
REMARK 500    ARG A  68         0.27    SIDE CHAIN                              
REMARK 500    ARG A 185         0.21    SIDE CHAIN                              
REMARK 500    ARG B  30         0.17    SIDE CHAIN                              
REMARK 500    ARG C 220         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 A 530        DISTANCE =  6.60 ANGSTROMS                       
REMARK 525    HOH A 531        DISTANCE =  6.86 ANGSTROMS                       
REMARK 525    HOH C 519        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH C 520        DISTANCE =  7.44 ANGSTROMS                       
REMARK 525    HOH C 521        DISTANCE =  7.66 ANGSTROMS                       
REMARK 525    HOH D 156        DISTANCE =  7.78 ANGSTROMS                       
DBREF  7LTC A    1   263  UNP    Q8EGW3   Q8EGW3_SHEON     1    263             
DBREF  7LTC B    1    71  UNP    Q8EGW2   Q8EGW2_SHEON     1     71             
DBREF  7LTC C    1   263  UNP    Q8EGW3   Q8EGW3_SHEON     1    263             
DBREF  7LTC D    1    71  UNP    Q8EGW2   Q8EGW2_SHEON     1     71             
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   71  MET SER GLY LEU SER ASP PHE PHE THR GLN LEU GLY GLN          
SEQRES   2 B   71  ASP ALA GLN LEU MET GLU ASP TYR LYS GLN ASN PRO GLU          
SEQRES   3 B   71  ALA VAL MET ARG ALA HIS GLY LEU THR ASP GLU GLN ILE          
SEQRES   4 B   71  ASN ALA VAL MET THR GLY ASP MET GLU LYS LEU LYS THR          
SEQRES   5 B   71  LEU SER GLY ASP SER SER TYR GLN SER TYR MLE VAL IML          
SEQRES   6 B   71  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   71  MET SER GLY LEU SER ASP PHE PHE THR GLN LEU GLY GLN          
SEQRES   2 D   71  ASP ALA GLN LEU MET GLU ASP TYR LYS GLN ASN PRO GLU          
SEQRES   3 D   71  ALA VAL MET ARG ALA HIS GLY LEU THR ASP GLU GLN ILE          
SEQRES   4 D   71  ASN ALA VAL MET THR GLY ASP MET GLU LYS LEU LYS THR          
SEQRES   5 D   71  LEU SER GLY ASP SER SER TYR GLN SER TYR MLE VAL IML          
SEQRES   6 D   71  SER HIS GLY ASN GLY ASP                                      
MODRES 7LTC MLE B   63  LEU  MODIFIED RESIDUE                                   
MODRES 7LTC IML B   65  ILE  MODIFIED RESIDUE                                   
MODRES 7LTC MLE D   63  LEU  MODIFIED RESIDUE                                   
MODRES 7LTC IML D   65  ILE  MODIFIED RESIDUE                                   
HET    MLE  B  63       9                                                       
HET    IML  B  65       9                                                       
HET    MLE  D  63       9                                                       
HET    IML  D  65       9                                                       
HETNAM     MLE N-METHYLLEUCINE                                                  
HETNAM     IML N-METHYL-ISOLEUCINE                                              
FORMUL   2  MLE    2(C7 H15 N O2)                                               
FORMUL   2  IML    2(C7 H15 N O2)                                               
FORMUL   5  HOH   *542(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 ALA A  100  GLU A  113  1                                  14    
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 ILE A  168  ALA A  171  5                                   4    
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  THR B   44  1                                  10    
HELIX   17 AB8 ASP B   46  SER B   54  1                                   9    
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 ALA C  100  GLU C  113  1                                  14    
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 ILE C  168  ALA C  171  5                                   4    
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  GLY C  256  1                                   9    
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  THR D   44  1                                  10    
HELIX   34 AD7 ASP D   46  GLY D   55  1                                  10    
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  LYS A 118   N  CYS A   6           
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  GLN A 143   O  LEU A 164           
SHEET    6 AA210 HIS C 142  GLU C 146 -1  O  HIS C 142   N  SER A 144           
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  LYS C 118   N  CYS C   6           
LINK         C   TYR B  62                 N   MLE B  63     1555   1555  1.33  
LINK         C   MLE B  63                 N   VAL B  64     1555   1555  1.33  
LINK         C   VAL B  64                 N   IML B  65     1555   1555  1.33  
LINK         C   IML B  65                 N   SER B  66     1555   1555  1.33  
LINK         C   TYR D  62                 N   MLE D  63     1555   1555  1.34  
LINK         C   MLE D  63                 N   VAL D  64     1555   1555  1.32  
LINK         C   VAL D  64                 N   IML D  65     1555   1555  1.34  
LINK         C   IML D  65                 N   SER D  66     1555   1555  1.33  
CRYST1   52.510  108.620   59.020  90.00  94.00  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      0.019044  0.000000  0.001333        0.00000                         
SCALE2      0.000000  0.009206  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016985        0.00000