HEADER    OXIDOREDUCTASE                          26-JAN-15   4S3C              
TITLE     ISPG IN COMPLEX WITH EPOXIDE INTERMEDIATE                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 4-HYDROXY-3-METHYLBUT-2-EN-1-YL DIPHOSPHATE SYNTHASE;      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: 1-HYDROXY-2-METHYL-2-(E)-BUTENYL 4-DIPHOSPHATE SYNTHASE;    
COMPND   5 EC: 1.17.7.1;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS HB8;                       
SOURCE   3 ORGANISM_TAXID: 300852;                                              
SOURCE   4 STRAIN: HB8/DSM 579;                                                 
SOURCE   5 ATCC: 27634;                                                         
SOURCE   6 GENE: ISPG, TTHA0305;                                                
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28B                                    
KEYWDS    METHYLERYTHRITOL-PHOSPHATE PATHWAY, TERPENE BIOSYNTHESIS, IRON-SULFUR 
KEYWDS   2 ENZYMES, REACTION MECHANISMS, DRUG DEVELOPMENT, OXIDOREDUCTASE       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.QUITTERER,A.FRANK,K.WANG,G.RAO,B.O'DOWD,J.LI,F.GUERRA,S.ABDEL-      
AUTHOR   2 AZEIM,A.BACHER,J.EPPINGER,E.OLDFIELD,M.GROLL                         
REVDAT   5   06-DEC-23 4S3C    1       REMARK                                   
REVDAT   4   20-SEP-23 4S3C    1       REMARK LINK                              
REVDAT   3   07-MAR-18 4S3C    1       REMARK                                   
REVDAT   2   01-JUL-15 4S3C    1       JRNL                                     
REVDAT   1   06-MAY-15 4S3C    0                                                
JRNL        AUTH   F.QUITTERER,A.FRANK,K.WANG,G.RAO,B.O'DOWD,J.LI,F.GUERRA,     
JRNL        AUTH 2 S.ABDEL-AZEIM,A.BACHER,J.EPPINGER,E.OLDFIELD,M.GROLL         
JRNL        TITL   ATOMIC-RESOLUTION STRUCTURES OF DISCRETE STAGES ON THE       
JRNL        TITL 2 REACTION COORDINATE OF THE [FE4S4] ENZYME ISPG (GCPE).       
JRNL        REF    J.MOL.BIOL.                   V. 427  2220 2015              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   25868383                                                     
JRNL        DOI    10.1016/J.JMB.2015.04.002                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.45 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 1.45                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 77599                          
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) : 0.125                           
REMARK   3   R VALUE            (WORKING SET) : 0.123                           
REMARK   3   FREE R VALUE                     : 0.161                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4085                            
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) : 1.45                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.49                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5683                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.52                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2480                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 299                          
REMARK   3   BIN FREE R VALUE                    : 0.3030                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3076                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 281                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.71                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.02000                                             
REMARK   3    B22 (A**2) : 0.23000                                              
REMARK   3    B33 (A**2) : -0.08000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.05000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.050         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.051         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.034         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.979         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.984                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.975                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3270 ; 0.024 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  3228 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4491 ; 2.778 ; 2.017       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  7440 ; 1.485 ; 3.001       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   421 ; 5.724 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   132 ;35.680 ;22.652       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   565 ;14.081 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    34 ;19.590 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   501 ; 0.207 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3664 ; 0.011 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   690 ; 0.002 ; 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):  1657 ; 4.071 ; 2.114       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1656 ; 4.034 ; 2.111       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2087 ; 4.784 ; 3.184       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  2088 ; 4.572 ; 3.192       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1613 ; 7.011 ; 2.762       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1613 ; 6.568 ; 2.757       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2343 ; 7.315 ; 3.885       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  3791 ; 6.617 ;18.897       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  3791 ; 6.617 ;18.897       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  6498 ; 6.176 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    79 ;29.853 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  6620 ;17.898 ; 5.000       
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  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 3                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A   404                          
REMARK   3    RESIDUE RANGE :   A   901        A   903                          
REMARK   3    RESIDUE RANGE :   A  1001        A  1281                          
REMARK   3    ORIGIN FOR THE GROUP (A): -12.5907  23.4218   2.7327              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0037 T22:   0.0240                                     
REMARK   3      T33:   0.0111 T12:   0.0001                                     
REMARK   3      T13:  -0.0006 T23:  -0.0001                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.0104 L22:   0.0015                                     
REMARK   3      L33:   0.0046 L12:  -0.0018                                     
REMARK   3      L13:   0.0021 L23:  -0.0006                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0001 S12:  -0.0011 S13:  -0.0000                       
REMARK   3      S21:   0.0004 S22:   0.0006 S23:   0.0003                       
REMARK   3      S31:  -0.0005 S32:  -0.0011 S33:  -0.0005                       
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 4S3C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JAN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000088127.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-JUL-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.971                              
REMARK 200  MONOCHROMATOR                  : LN2 COOLED FIXED-EXIT. SI(111)     
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : PSI PILATUS 6M                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS, XSCALE                        
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 81686                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.450                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : 0.03700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: 4S38                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS PROPANE; 20% PEG3350;     
REMARK 280  0.2 M NA2SO4 , PH 6.5, VAPOR DIFFUSION, SITTING DROP,               
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       55.46500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.42000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       55.46500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       31.42000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 8150 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 29760 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A1232  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A1237  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     LYS A   405                                                      
REMARK 465     ALA A   406                                                      
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    43Q A   901     O    HOH A  1238              1.88            
REMARK 500   O    HOH A  1033     O    HOH A  1236              1.89            
REMARK 500   O    HOH A  1068     O    HOH A  1234              2.10            
REMARK 500   O    HOH A  1014     O    HOH A  1277              2.11            
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  1051     O    HOH A  1272     4455     2.15            
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    SER A 181   CB    SER A 181   OG     -0.081                       
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    ARG A  56   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    PHE A 109   CB  -  CG  -  CD1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ARG A 131   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A 131   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG A 209   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ASP A 210   CB  -  CG  -  OD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    ARG A 302   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    ARG A 392   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 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    GLU A  81       38.44    -95.78                                   
REMARK 500    PHE A  90      -45.67     73.32                                   
REMARK 500    SER A 148       54.43   -146.92                                   
REMARK 500    ALA A 203       89.71   -156.57                                   
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 902  FE4                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 297   SG                                                     
REMARK 620 2 SF4 A 902   S1  107.9                                              
REMARK 620 3 SF4 A 902   S2  125.8 104.9                                        
REMARK 620 4 SF4 A 902   S3  105.9 114.6  97.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 902  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 300   SG                                                     
REMARK 620 2 SF4 A 902   S2  115.3                                              
REMARK 620 3 SF4 A 902   S3  120.2 100.5                                        
REMARK 620 4 SF4 A 902   S4  106.2 108.1 105.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 902  FE3                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 343   SG                                                     
REMARK 620 2 SF4 A 902   S1  123.5                                              
REMARK 620 3 SF4 A 902   S2  110.9 105.0                                        
REMARK 620 4 SF4 A 902   S4  105.4 103.0 107.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 902  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 43Q A 901   O1                                                     
REMARK 620 2 SF4 A 902   S1  106.7                                              
REMARK 620 3 SF4 A 902   S3  106.7 114.6                                        
REMARK 620 4 SF4 A 902   S4  120.7 102.2 106.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 43Q A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 902                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 903                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4G9P   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE GCPE-MECPP (ISPG) COMPLEX FROM THERMUS THERMOPHILU  
REMARK 900 RELATED ID: 2Y0F   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF GCPE (ISPG) FROM THERMUS THERMOPHILUS HB27              
REMARK 900 RELATED ID: 3NOY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ISPG (GCPE)                                     
REMARK 900 RELATED ID: 4S38   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S39   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S3A   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S3B   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S3D   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S3E   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S3F   RELATED DB: PDB                                   
DBREF  4S3C A    1   406  UNP    Q5SLI8   ISPG_THET8       1    406             
SEQRES   1 A  406  MET GLU GLY MET ARG ARG PRO THR PRO THR VAL TYR VAL          
SEQRES   2 A  406  GLY ARG VAL PRO ILE GLY GLY ALA HIS PRO ILE ALA VAL          
SEQRES   3 A  406  GLN SER MET THR ASN THR PRO THR ARG ASP VAL GLU ALA          
SEQRES   4 A  406  THR THR ALA GLN VAL LEU GLU LEU HIS ARG ALA GLY SER          
SEQRES   5 A  406  GLU ILE VAL ARG LEU THR VAL ASN ASP GLU GLU ALA ALA          
SEQRES   6 A  406  LYS ALA VAL PRO GLU ILE LYS ARG ARG LEU LEU ALA GLU          
SEQRES   7 A  406  GLY ALA GLU VAL PRO LEU VAL GLY ASP PHE HIS PHE ASN          
SEQRES   8 A  406  GLY HIS LEU LEU LEU ARG LYS TYR PRO LYS MET ALA GLU          
SEQRES   9 A  406  ALA LEU ASP KCX PHE ARG ILE ASN PRO GLY THR LEU GLY          
SEQRES  10 A  406  ARG GLY ARG HIS LYS ASP GLU HIS PHE ALA GLU MET ILE          
SEQRES  11 A  406  ARG ILE ALA MET ASP LEU GLY LYS PRO VAL ARG ILE GLY          
SEQRES  12 A  406  ALA ASN TRP GLY SER LEU ASP PRO ALA LEU LEU THR GLU          
SEQRES  13 A  406  LEU MET ASP ARG ASN ALA ARG ARG PRO GLU PRO LYS SER          
SEQRES  14 A  406  ALA HIS GLU VAL VAL LEU GLU ALA LEU VAL GLU SER ALA          
SEQRES  15 A  406  VAL ARG ALA TYR GLU ALA ALA LEU GLU MET GLY LEU GLY          
SEQRES  16 A  406  GLU ASP LYS LEU VAL LEU SER ALA LYS VAL SER LYS ALA          
SEQRES  17 A  406  ARG ASP LEU VAL TRP VAL TYR ARG GLU LEU ALA ARG ARG          
SEQRES  18 A  406  THR GLN ALA PRO LEU HIS LEU GLY LEU THR GLU ALA GLY          
SEQRES  19 A  406  MET GLY VAL LYS GLY ILE VAL ALA SER ALA ALA ALA LEU          
SEQRES  20 A  406  ALA PRO LEU LEU LEU GLU GLY ILE GLY ASP THR ILE ARG          
SEQRES  21 A  406  VAL SER LEU THR PRO ALA PRO GLY GLU PRO ARG THR LYS          
SEQRES  22 A  406  GLU VAL GLU VAL ALA GLN GLU ILE LEU GLN ALA LEU GLY          
SEQRES  23 A  406  LEU ARG ALA PHE ALA PRO GLU VAL THR SER CYS PRO GLY          
SEQRES  24 A  406  CYS GLY ARG THR THR SER THR PHE PHE GLN GLU LEU ALA          
SEQRES  25 A  406  GLU GLU VAL SER ARG ARG LEU LYS GLU ARG LEU PRO GLU          
SEQRES  26 A  406  TRP ARG ALA ARG TYR PRO GLY VAL GLU GLU LEU LYS VAL          
SEQRES  27 A  406  ALA VAL MET GLY CYS VAL VAL ASN GLY PRO GLY GLU SER          
SEQRES  28 A  406  LYS HIS ALA HIS ILE GLY ILE SER LEU PRO GLY ALA GLY          
SEQRES  29 A  406  GLU GLU PRO LYS ALA PRO VAL TYR ALA ASP GLY LYS LEU          
SEQRES  30 A  406  LEU THR ILE LEU LYS GLY GLU GLY ILE ALA GLU GLU PHE          
SEQRES  31 A  406  LEU ARG LEU VAL GLU ASP TYR VAL LYS THR ARG PHE ALA          
SEQRES  32 A  406  PRO LYS ALA                                                  
MODRES 4S3C KCX A  108  LYS  LYSINE NZ-CARBOXYLIC ACID                          
HET    KCX  A 108      12                                                       
HET    43Q  A 901      16                                                       
HET    SF4  A 902       8                                                       
HET    GOL  A 903       6                                                       
HETNAM     KCX LYSINE NZ-CARBOXYLIC ACID                                        
HETNAM     43Q (3S)-1,3-DIHYDROXY-4-{[(S)-HYDROXY(PHOSPHONOOXY)                 
HETNAM   2 43Q  PHOSPHORYL]OXY}-2-METHYLBUT-2-YLIUM, CARBOKATION                
HETNAM   3 43Q  INTERMEDIATE                                                    
HETNAM     SF4 IRON/SULFUR CLUSTER                                              
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  KCX    C7 H14 N2 O4                                                 
FORMUL   2  43Q    C5 H13 O9 P2 1+                                              
FORMUL   3  SF4    FE4 S4                                                       
FORMUL   4  GOL    C3 H8 O3                                                     
FORMUL   5  HOH   *281(H2 O)                                                    
HELIX    1   1 ASP A   36  GLY A   51  1                                  16    
HELIX    2   2 ASP A   61  GLU A   78  1                                  18    
HELIX    3   3 ASN A   91  TYR A   99  1                                   9    
HELIX    4   4 TYR A   99  LEU A  106  1                                   8    
HELIX    5   5 ARG A  118  GLY A  137  1                                  20    
HELIX    6   6 GLY A  147  LEU A  149  5                                   3    
HELIX    7   7 ASP A  150  ARG A  163  1                                  14    
HELIX    8   8 SER A  169  MET A  192  1                                  24    
HELIX    9   9 GLY A  195  ASP A  197  5                                   3    
HELIX   10  10 LYS A  207  THR A  222  1                                  16    
HELIX   11  11 GLY A  236  GLU A  253  1                                  18    
HELIX   12  12 THR A  272  LEU A  285  1                                  14    
HELIX   13  13 THR A  304  TYR A  330  1                                  27    
HELIX   14  14 GLY A  332  GLU A  335  5                                   4    
HELIX   15  15 ASN A  346  ALA A  354  1                                   9    
HELIX   16  16 GLY A  385  PHE A  402  1                                  18    
SHEET    1   A 2 VAL A  11  VAL A  13  0                                        
SHEET    2   A 2 VAL A  16  ILE A  18 -1  O  VAL A  16   N  VAL A  13           
SHEET    1   B 8 LEU A 199  LYS A 204  0                                        
SHEET    2   B 8 VAL A 140  ASN A 145  1  N  ALA A 144   O  LYS A 204           
SHEET    3   B 8 KCX A 108  ILE A 111  1  N  ILE A 111   O  GLY A 143           
SHEET    4   B 8 LEU A  84  ASP A  87  1  N  GLY A  86   O  ARG A 110           
SHEET    5   B 8 ILE A  54  THR A  58  1  N  LEU A  57   O  VAL A  85           
SHEET    6   B 8 ALA A  25  MET A  29  1  N  SER A  28   O  ARG A  56           
SHEET    7   B 8 THR A 258  ILE A 259  1  O  ILE A 259   N  GLN A  27           
SHEET    8   B 8 HIS A 227  LEU A 228  1  N  LEU A 228   O  THR A 258           
SHEET    1   C 2 GLY A 234  MET A 235  0                                        
SHEET    2   C 2 LEU A 263  THR A 264  1  O  THR A 264   N  GLY A 234           
SHEET    1   D 5 GLU A 293  SER A 296  0                                        
SHEET    2   D 5 LYS A 337  MET A 341  1  O  VAL A 338   N  THR A 295           
SHEET    3   D 5 ILE A 356  SER A 359  1  O  ILE A 358   N  MET A 341           
SHEET    4   D 5 ALA A 369  ALA A 373 -1  O  TYR A 372   N  GLY A 357           
SHEET    5   D 5 LYS A 376  LEU A 381 -1  O  LEU A 378   N  VAL A 371           
LINK         C   ASP A 107                 N   KCX A 108     1555   1555  1.31  
LINK         C   KCX A 108                 N   PHE A 109     1555   1555  1.35  
LINK         SG  CYS A 297                FE4  SF4 A 902     1555   1555  2.35  
LINK         SG  CYS A 300                FE1  SF4 A 902     1555   1555  2.32  
LINK         SG  CYS A 343                FE3  SF4 A 902     1555   1555  2.27  
LINK         O1  43Q A 901                FE2  SF4 A 902     1555   1555  1.95  
SITE     1 AC1 16 MET A  29  ARG A  56  ASP A  87  HIS A  89                    
SITE     2 AC1 16 ARG A 110  ARG A 141  ASN A 145  LYS A 204                    
SITE     3 AC1 16 THR A 231  GLU A 232  ARG A 260  SER A 262                    
SITE     4 AC1 16 ASN A 346  SF4 A 902  HOH A1011  HOH A1238                    
SITE     1 AC2  5 CYS A 297  GLY A 299  CYS A 300  CYS A 343                    
SITE     2 AC2  5 43Q A 901                                                     
SITE     1 AC3  7 GLU A 276  GLN A 279  GLU A 280  GLN A 283                    
SITE     2 AC3  7 ALA A 291  HOH A1099  HOH A1275                               
CRYST1  110.930   62.840   86.200  90.00 127.02  90.00 C 1 2 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      0.009015  0.000000  0.006798        0.00000                         
SCALE2      0.000000  0.015913  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014530        0.00000