HEADER    ANTIVIRAL PROTEIN                       30-AUG-24   9DFN              
TITLE     X-RAY CRYSTAL STRUCTURE OF THE SECOND VIPERIN-LIKE ENZYME FROM        
TITLE    2 TRICHODERMA VIRENS WITH BOUND CTP AND SAM                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RADICAL SAM CORE DOMAIN-CONTAINING PROTEIN;                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRICHODERMA VIRENS;                             
SOURCE   3 ORGANISM_TAXID: 413071;                                              
SOURCE   4 STRAIN: GV29-8;                                                      
SOURCE   5 GENE: TRIVIDRAFT_46896;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    VIPERIN, 4FE-4S CLUSTER, RADICAL SAM, DDHCTP, ANTIVIRAL PROTEIN       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.C.LACHOWICZ,T.G.GROVE,J.B.BONANNO                                   
REVDAT   1   19-FEB-25 9DFN    0                                                
JRNL        AUTH   J.C.LACHOWICZ,S.GRUDMAN,J.B.BONANNO,A.FISER,T.L.GROVE        
JRNL        TITL   STRUCTURAL INSIGHTS FROM ACTIVE SITE VARIANTS AND B-8 LOOP   
JRNL        TITL 2 INTERACTIONS IN VIPERIN-LIKE ENZYMES                         
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0415                                      
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) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 52954                          
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) : 0.170                           
REMARK   3   R VALUE            (WORKING SET) : 0.169                           
REMARK   3   FREE R VALUE                     : 0.197                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2000                            
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) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3872                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.98                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3040                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 146                          
REMARK   3   BIN FREE R VALUE                    : 0.2750                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2311                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 65                                      
REMARK   3   SOLVENT ATOMS            : 360                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.97                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.30000                                             
REMARK   3    B22 (A**2) : 2.99000                                              
REMARK   3    B33 (A**2) : -1.69000                                             
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): 0.066         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.068         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.067         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.004         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.972                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.961                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2468 ; 0.010 ; 0.012       
REMARK   3   BOND LENGTHS OTHERS               (A):  2310 ; 0.001 ; 0.016       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3340 ; 1.574 ; 1.656       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5323 ; 0.558 ; 1.589       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   294 ; 6.632 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    19 ; 8.256 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   456 ;13.164 ;10.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   361 ; 0.104 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2880 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   598 ; 0.001 ; 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):  1146 ; 1.410 ; 1.652       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1146 ; 1.410 ; 1.652       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1432 ; 1.977 ; 2.961       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1433 ; 1.977 ; 2.960       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1322 ; 2.772 ; 1.920       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1311 ; 2.775 ; 1.923       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  1891 ; 4.270 ; 3.377       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  2985 ; 5.758 ;19.270       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  2843 ; 5.434 ;17.140       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
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 9DFN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-24.                  
REMARK 100 THE DEPOSITION ID IS D_1000287974.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-DEC-23                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS-II                            
REMARK 200  BEAMLINE                       : 17-ID-2                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.920105                           
REMARK 200  MONOCHROMATOR                  : M                                  
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          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54980                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.576                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.17000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.24600                            
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS (PH 6.5), 20% (W/V) PGG   
REMARK 280  MME 5K, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-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       18.40400            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       78.84600            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.91900            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       78.84600            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       18.40400            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.91900            
REMARK 290   SMTRY3   4  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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     8                                                      
REMARK 465     HIS A     9                                                      
REMARK 465     HIS A    10                                                      
REMARK 465     HIS A    11                                                      
REMARK 465     HIS A    12                                                      
REMARK 465     HIS A    13                                                      
REMARK 465     HIS A    14                                                      
REMARK 465     SER A    15                                                      
REMARK 465     SER A    16                                                      
REMARK 465     GLY A    17                                                      
REMARK 465     VAL A    18                                                      
REMARK 465     ASP A    19                                                      
REMARK 465     LEU A    20                                                      
REMARK 465     GLY A    21                                                      
REMARK 465     THR A    22                                                      
REMARK 465     GLU A    23                                                      
REMARK 465     ASN A    24                                                      
REMARK 465     LEU A    25                                                      
REMARK 465     TYR A    26                                                      
REMARK 465     PHE A    27                                                      
REMARK 465     GLN A    28                                                      
REMARK 465     ASN A   312                                                      
REMARK 465     GLU A   313                                                      
REMARK 465     GLN A   314                                                      
REMARK 465     VAL A   315                                                      
REMARK 465     GLU A   316                                                      
REMARK 465     ALA A   317                                                      
REMARK 465     CYS A   318                                                      
REMARK 465     SER A   319                                                      
REMARK 465     THR A   320                                                      
REMARK 465     GLY A   321                                                      
REMARK 465     MET A   322                                                      
REMARK 465     SER A   323                                                      
REMARK 465     GLU A   324                                                      
REMARK 465     LYS A   325                                                      
REMARK 465     LEU A   326                                                      
REMARK 465     VAL A   327                                                      
REMARK 465     TRP A   328                                                      
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     GLU A 311    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   813     O    HOH A   837              1.95            
REMARK 500   O    HOH A   689     O    HOH A   746              2.16            
REMARK 500   O    HOH A   761     O    HOH A   774              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    GLU A 124   CD    GLU A 124   OE1     0.075                       
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  66         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 401  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  45   SG                                                     
REMARK 620 2 SF4 A 401   S1  113.9                                              
REMARK 620 3 SF4 A 401   S3  124.6 104.7                                        
REMARK 620 4 SF4 A 401   S4   99.5 110.1 102.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 401  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  49   SG                                                     
REMARK 620 2 SF4 A 401   S2  114.7                                              
REMARK 620 3 SF4 A 401   S3  108.9 105.6                                        
REMARK 620 4 SF4 A 401   S4  115.7 106.6 104.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 401  FE4                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  52   SG                                                     
REMARK 620 2 SF4 A 401   S1  116.7                                              
REMARK 620 3 SF4 A 401   S2  120.4 103.7                                        
REMARK 620 4 SF4 A 401   S3  104.5 103.1 106.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 401  FE3                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SAM A 402   N                                                      
REMARK 620 2 SF4 A 401   S1   86.4                                              
REMARK 620 3 SF4 A 401   S2  158.6  97.3                                        
REMARK 620 4 SF4 A 401   S4   96.1 108.3 102.6                                  
REMARK 620 5 SAM A 402   O    73.3 151.4  94.9  94.0                            
REMARK 620 N                    1     2     3     4                             
DBREF  9DFN A   31   328  UNP    G9N0G3   G9N0G3_HYPVG    31    328             
SEQADV 9DFN MET A    8  UNP  G9N0G3              INITIATING METHIONINE          
SEQADV 9DFN HIS A    9  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN HIS A   10  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN HIS A   11  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN HIS A   12  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN HIS A   13  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN HIS A   14  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN SER A   15  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN SER A   16  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN GLY A   17  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN VAL A   18  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN ASP A   19  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN LEU A   20  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN GLY A   21  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN THR A   22  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN GLU A   23  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN ASN A   24  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN LEU A   25  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN TYR A   26  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN PHE A   27  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN GLN A   28  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN SER A   29  UNP  G9N0G3              EXPRESSION TAG                 
SEQADV 9DFN MET A   30  UNP  G9N0G3              EXPRESSION TAG                 
SEQRES   1 A  321  MET HIS HIS HIS HIS HIS HIS SER SER GLY VAL ASP LEU          
SEQRES   2 A  321  GLY THR GLU ASN LEU TYR PHE GLN SER MET GLY GLN ILE          
SEQRES   3 A  321  PRO VAL SER VAL ASN TYR PHE PHE THR ARG LYS CYS ASN          
SEQRES   4 A  321  LYS SER CYS GLY PHE CYS PHE HIS THR ALA LYS THR SER          
SEQRES   5 A  321  HIS MET GLU ASP ILE SER ARG ALA LYS ARG GLY LEU GLN          
SEQRES   6 A  321  LEU LEU GLN ARG ALA GLY MET LYS LYS ILE ASN PHE ALA          
SEQRES   7 A  321  GLY GLY GLU PRO PHE LEU TYR PRO LYS PHE LEU GLY GLU          
SEQRES   8 A  321  LEU VAL ASP PHE CYS LYS GLU ASP LEU HIS LEU GLU SER          
SEQRES   9 A  321  VAL SER ILE ILE THR ASN GLY SER LEU VAL ARG GLU GLU          
SEQRES  10 A  321  TRP VAL ARG LYS HIS ALA LYS ASN ILE ASP ILE LEU ALA          
SEQRES  11 A  321  CYS SER CYS ASP SER PHE ASP GLU ASN MET ASN ILE GLU          
SEQRES  12 A  321  ILE GLY ARG GLY THR GLY ASN GLN VAL GLU ILE LEU TYR          
SEQRES  13 A  321  ARG ILE ALA LYS TRP CYS ARG LYS ASN GLU ILE LYS PHE          
SEQRES  14 A  321  LYS LEU ASN THR VAL VAL THR ARG LEU ASN TYR GLU GLU          
SEQRES  15 A  321  ASP MET ASN GLU HIS ILE ASP THR LEU GLN PRO PHE ARG          
SEQRES  16 A  321  TRP LYS VAL PHE GLN VAL LEU ILE VAL GLU GLY GLU ASN          
SEQRES  17 A  321  ASP SER GLU LYS THR LEU ARG ASP ALA ARG ARG PHE THR          
SEQRES  18 A  321  ILE SER ASP LYS GLN PHE GLU VAL PHE CYS SER LYS HIS          
SEQRES  19 A  321  ARG HIS HIS LYS SER PHE VAL ALA GLU PRO ASN ARG LEU          
SEQRES  20 A  321  MET ALA SER SER TYR LEU LEU VAL ASP GLU TYR MET ARG          
SEQRES  21 A  321  PHE ILE ASP LYS ASP GLY ASN LYS LEU THR LYS SER ILE          
SEQRES  22 A  321  LEU ASP VAL GLY VAL GLU ALA ALA MET LYS GLU ILE LYS          
SEQRES  23 A  321  TRP ASP VAL ASP ALA PHE GLN GLU ARG GLY GLY VAL TYR          
SEQRES  24 A  321  GLU TRP THR LYS GLU ASN GLU GLN VAL GLU ALA CYS SER          
SEQRES  25 A  321  THR GLY MET SER GLU LYS LEU VAL TRP                          
HET    SF4  A 401       8                                                       
HET    SAM  A 402      27                                                       
HET    CTP  A 403      29                                                       
HET     CL  A 404       1                                                       
HETNAM     SF4 IRON/SULFUR CLUSTER                                              
HETNAM     SAM S-ADENOSYLMETHIONINE                                             
HETNAM     CTP CYTIDINE-5'-TRIPHOSPHATE                                         
HETNAM      CL CHLORIDE ION                                                     
FORMUL   2  SF4    FE4 S4                                                       
FORMUL   3  SAM    C15 H22 N6 O5 S                                              
FORMUL   4  CTP    C9 H16 N3 O14 P3                                             
FORMUL   5   CL    CL 1-                                                        
FORMUL   6  HOH   *360(H2 O)                                                    
HELIX    1 AA1 ASP A   63  ALA A   77  1                                  15    
HELIX    2 AA2 GLU A   88  LEU A   91  5                                   4    
HELIX    3 AA3 TYR A   92  ASP A  106  1                                  15    
HELIX    4 AA4 ARG A  122  ALA A  130  1                                   9    
HELIX    5 AA5 LYS A  131  ILE A  133  5                                   3    
HELIX    6 AA6 ASP A  144  GLY A  152  1                                   9    
HELIX    7 AA7 ASN A  157  ASN A  172  1                                  16    
HELIX    8 AA8 MET A  191  GLN A  199  1                                   9    
HELIX    9 AA9 ALA A  224  THR A  228  5                                   5    
HELIX   10 AB1 SER A  230  ARG A  242  1                                  13    
HELIX   11 AB2 PRO A  251  ALA A  256  1                                   6    
HELIX   12 AB3 ILE A  280  LYS A  290  1                                  11    
HELIX   13 AB4 ASP A  295  ARG A  302  1                                   8    
SHEET    1 AA110 PHE A 247  GLU A 250  0                                        
SHEET    2 AA110 ARG A 202  GLN A 207  1  N  VAL A 205   O  VAL A 248           
SHEET    3 AA110 LYS A 175  VAL A 182  1  N  VAL A 182   O  PHE A 206           
SHEET    4 AA110 ILE A 135  SER A 139  1  N  LEU A 136   O  LYS A 175           
SHEET    5 AA110 SER A 111  THR A 116  1  N  ILE A 114   O  ALA A 137           
SHEET    6 AA110 LYS A  81  ALA A  85  1  N  ILE A  82   O  SER A 113           
SHEET    7 AA110 SER A  36  PHE A  40  1  N  VAL A  37   O  ASN A  83           
SHEET    8 AA110 LEU A 261  VAL A 262  1  O  VAL A 262   N  ASN A  38           
SHEET    9 AA110 ARG A 267  ASP A 270 -1  O  ILE A 269   N  LEU A 261           
SHEET   10 AA110 LYS A 275  SER A 279 -1  O  LYS A 275   N  ASP A 270           
LINK         SG  CYS A  45                FE2  SF4 A 401     1555   1555  2.22  
LINK         SG  CYS A  49                FE1  SF4 A 401     1555   1555  2.28  
LINK         SG  CYS A  52                FE4  SF4 A 401     1555   1555  2.25  
LINK        FE3  SF4 A 401                 N   SAM A 402     1555   1555  2.27  
LINK        FE3  SF4 A 401                 O   SAM A 402     1555   1555  2.22  
CISPEP   1 GLY A   86    GLY A   87          0        20.39                     
CRYST1   36.808   57.838  157.692  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.027168  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017290  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006341        0.00000