HEADER    TRANSFERASE                             15-JUL-09   3IBA              
TITLE     CRYSTAL STRUCTURE OF THE COMPLEX OF TRYPANOSOMA CRUZI FARNESYL        
TITLE    2 DIPHOSPHATE SYNTHASE WITH ZOLEDRONATE, IPP AND MG2+                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FARNESYL PYROPHOSPHATE SYNTHASE;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.5.1.10;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI;                              
SOURCE   3 ORGANISM_TAXID: 5693;                                                
SOURCE   4 GENE: FPPS;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET28                                     
KEYWDS    FPPS, TRYPANOSOMA CRUZI, BISPHOSPHONATE, ISOPENTENYL PYROPHOSPHATE,   
KEYWDS   2 CHAGAS DISEASE, ISOPRENE BIOSYNTHESIS, TRANSFERASE                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.M.AMZEL,C.H.HUANG,S.B.GABELLI,E.OLDFIELD                            
REVDAT   3   21-FEB-24 3IBA    1       REMARK LINK                              
REVDAT   2   17-APR-13 3IBA    1       HET    HETATM HETNAM VERSN               
REVDAT   1   09-FEB-10 3IBA    0                                                
JRNL        AUTH   C.H.HUANG,S.B.GABELLI,E.OLDFIELD,L.M.AMZEL                   
JRNL        TITL   BINDING OF NITROGEN-CONTAINING BISPHOSPHONATES (N-BPS) TO    
JRNL        TITL 2 THE TRYPANOSOMA CRUZI FARNESYL DIPHOSPHATE SYNTHASE          
JRNL        TITL 3 HOMODIMER.                                                   
JRNL        REF    PROTEINS                      V.  78   888 2010              
JRNL        REFN                   ISSN 0887-3585                               
JRNL        PMID   19876942                                                     
JRNL        DOI    10.1002/PROT.22614                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.87                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 83.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 13220                          
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) : 0.229                           
REMARK   3   R VALUE            (WORKING SET) : 0.225                           
REMARK   3   FREE R VALUE                     : 0.295                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 705                             
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) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.46                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 771                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 67.00                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2710                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 31                           
REMARK   3   BIN FREE R VALUE                    : 0.3720                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2891                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 38                                      
REMARK   3   SOLVENT ATOMS            : 295                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 39.52                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.19000                                              
REMARK   3    B22 (A**2) : 1.19000                                              
REMARK   3    B33 (A**2) : -1.79000                                             
REMARK   3    B12 (A**2) : 0.60000                                              
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): 1.841         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.377         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.234         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.988         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.934                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.890                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2989 ; 0.006 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4055 ; 0.892 ; 1.964       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   361 ; 3.774 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   137 ;38.169 ;24.307       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   513 ;14.228 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    15 ;14.580 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   446 ; 0.061 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2238 ; 0.002 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1661 ; 0.159 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2114 ; 0.290 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   259 ; 0.092 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     2 ; 0.064 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    91 ; 0.132 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    21 ; 0.070 ; 0.200       
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):  1863 ; 0.197 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2912 ; 0.343 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1301 ; 0.380 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1143 ; 0.632 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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   : 1.40                                          
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 3IBA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUL-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000054197.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 31-OCT-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14730                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 65.090                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.4                               
REMARK 200  DATA REDUNDANCY                : 7.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
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: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.13                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, 200MM AMMONIUM SULFATE, PH     
REMARK 280  4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      130.13467            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      260.26933            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      195.20200            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      325.33667            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       65.06733            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      130.13467            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      260.26933            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      325.33667            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      195.20200            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       65.06733            
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: 9440 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27540 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -119.0 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  0.500000 -0.866025  0.000000       29.17200            
REMARK 350   BIOMT2   2 -0.866025 -0.500000  0.000000       50.52739            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      325.33667            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 471  LIES ON A SPECIAL POSITION.                          
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    ARG A 108       64.25     36.47                                   
REMARK 500    THR A 120      164.63     64.09                                   
REMARK 500    ASP A 181      118.04   -162.63                                   
REMARK 500    THR A 208      -42.44   -134.15                                   
REMARK 500    LYS A 284      -11.92   -145.71                                   
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                              MG A 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  98   OD2                                                    
REMARK 620 2 ASP A 102   OD2  91.2                                              
REMARK 620 3 HOH A 365   O    77.0  97.4                                        
REMARK 620 4 HOH A 450   O   174.6  84.3 106.5                                  
REMARK 620 5 ZOL A 901   O10  84.2 167.8  92.6  99.6                            
REMARK 620 6 ZOL A 901   O17  89.8  79.6 166.4  86.5  89.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 403  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  98   OD1                                                    
REMARK 620 2 ASP A 102   OD2  92.5                                              
REMARK 620 3 HOH A 364   O    85.7 172.3                                        
REMARK 620 4 HOH A 380   O    85.1  93.4  78.9                                  
REMARK 620 5 HOH A 507   O   169.5  96.5  84.7  88.9                            
REMARK 620 6 ZOL A 901   O17  94.1  86.3 101.3 179.2  91.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 402  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 250   OD2                                                    
REMARK 620 2 HOH A 376   O    94.2                                              
REMARK 620 3 HOH A 377   O    77.3  87.9                                        
REMARK 620 4 HOH A 422   O   158.4  83.0  81.1                                  
REMARK 620 5 ZOL A 901   O15 105.3 102.9 168.5  96.2                            
REMARK 620 6 ZOL A 901   O12  89.0 166.6  80.2  89.2  88.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 403                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZOL A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 371                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPE A 900                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3ICK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1YHL   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1YKM   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1YHK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3ICN   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3ICZ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3ID0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3ICM   RELATED DB: PDB                                   
DBREF  3IBA A    1   362  UNP    Q95WL3   Q95WL3_TRYCR     1    362             
SEQRES   1 A  362  MET ALA SER MET GLU ARG PHE LEU SER VAL TYR ASP GLU          
SEQRES   2 A  362  VAL GLN ALA PHE LEU LEU ASP GLN LEU GLN SER LYS TYR          
SEQRES   3 A  362  GLU ILE ASP PRO ASN ARG ALA ARG TYR LEU ARG ILE MET          
SEQRES   4 A  362  MET ASP THR THR CYS LEU GLY GLY LYS TYR PHE ARG GLY          
SEQRES   5 A  362  MET THR VAL VAL ASN VAL ALA GLU GLY PHE LEU ALA VAL          
SEQRES   6 A  362  THR GLN HIS ASP GLU ALA THR LYS GLU ARG ILE LEU HIS          
SEQRES   7 A  362  ASP ALA CYS VAL GLY GLY TRP MET ILE GLU PHE LEU GLN          
SEQRES   8 A  362  ALA HIS TYR LEU VAL GLU ASP ASP ILE MET ASP GLY SER          
SEQRES   9 A  362  VAL MET ARG ARG GLY LYS PRO CYS TRP TYR ARG PHE PRO          
SEQRES  10 A  362  GLY VAL THR THR GLN CYS ALA ILE ASN ASP GLY ILE ILE          
SEQRES  11 A  362  LEU LYS SER TRP THR GLN ILE MET ALA TRP HIS TYR PHE          
SEQRES  12 A  362  ALA ASP ARG PRO PHE LEU LYS ASP LEU LEU CYS LEU PHE          
SEQRES  13 A  362  GLN LYS VAL ASP TYR ALA THR ALA VAL GLY GLN MET TYR          
SEQRES  14 A  362  ASP VAL THR SER MET CYS ASP SER ASN LYS LEU ASP PRO          
SEQRES  15 A  362  GLU VAL ALA GLN PRO MET THR THR ASP PHE ALA GLU PHE          
SEQRES  16 A  362  THR PRO ALA ILE TYR LYS ARG ILE VAL LYS TYR LYS THR          
SEQRES  17 A  362  THR PHE TYR THR TYR LEU LEU PRO LEU VAL MET GLY LEU          
SEQRES  18 A  362  PHE VAL SER GLU ALA ALA ALA SER VAL GLU MET ASN LEU          
SEQRES  19 A  362  VAL GLU ARG VAL ALA HIS LEU ILE GLY GLU TYR PHE GLN          
SEQRES  20 A  362  VAL GLN ASP ASP VAL MET ASP CYS PHE THR PRO PRO GLU          
SEQRES  21 A  362  GLN LEU GLY LYS VAL GLY THR ASP ILE GLU ASP ALA LYS          
SEQRES  22 A  362  CYS SER TRP LEU ALA VAL THR PHE LEU GLY LYS ALA ASN          
SEQRES  23 A  362  ALA ALA GLN VAL ALA GLU PHE LYS ALA ASN TYR GLY ASP          
SEQRES  24 A  362  LYS ASP PRO ALA LYS VAL ALA VAL VAL LYS ARG LEU TYR          
SEQRES  25 A  362  SER GLU ALA ASN LEU GLN ALA ASP PHE ALA ALA TYR GLU          
SEQRES  26 A  362  ALA GLU VAL VAL ARG GLU VAL GLU SER LEU ILE GLU GLN          
SEQRES  27 A  362  LEU LYS VAL LYS SER PRO THR PHE ALA GLU SER VAL ALA          
SEQRES  28 A  362  VAL VAL TRP GLU LYS THR HIS LYS ARG LYS LYS                  
HET     MG  A 401       1                                                       
HET     MG  A 402       1                                                       
HET     MG  A 403       1                                                       
HET    ZOL  A 901      16                                                       
HET    SO4  A 371       5                                                       
HET    IPE  A 900      14                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     ZOL ZOLEDRONIC ACID                                                  
HETNAM     SO4 SULFATE ION                                                      
HETNAM     IPE 3-METHYLBUT-3-ENYL TRIHYDROGEN DIPHOSPHATE                       
HETSYN     ZOL (1-HYDROXY-2-IMIDAZOL-1-YLETHYLIDENE)DIPHOSPHONIC ACID           
HETSYN     IPE ISOPENTENYL PYROPHOSPHATE                                        
FORMUL   2   MG    3(MG 2+)                                                     
FORMUL   5  ZOL    C5 H10 N2 O7 P2                                              
FORMUL   6  SO4    O4 S 2-                                                      
FORMUL   7  IPE    C5 H12 O7 P2                                                 
FORMUL   8  HOH   *295(H2 O)                                                    
HELIX    1   1 MET A    1  TYR A   26  1                                  26    
HELIX    2   2 ASP A   29  LEU A   45  1                                  17    
HELIX    3   3 TYR A   49  THR A   66  1                                  18    
HELIX    4   4 ASP A   69  GLY A  103  1                                  35    
HELIX    5   5 TRP A  113  PHE A  116  5                                   4    
HELIX    6   6 VAL A  119  PHE A  143  1                                  25    
HELIX    7   7 PHE A  148  THR A  172  1                                  25    
HELIX    8   8 ASP A  176  LEU A  180  5                                   5    
HELIX    9   9 THR A  196  THR A  208  1                                  13    
HELIX   10  10 THR A  208  TYR A  213  1                                   6    
HELIX   11  11 TYR A  213  GLU A  225  1                                  13    
HELIX   12  12 ALA A  226  VAL A  230  5                                   5    
HELIX   13  13 GLU A  231  THR A  257  1                                  27    
HELIX   14  14 PRO A  258  GLY A  263  1                                   6    
HELIX   15  15 SER A  275  GLY A  283  1                                   9    
HELIX   16  16 ASN A  286  ALA A  295  1                                  10    
HELIX   17  17 ASP A  301  ALA A  315  1                                  15    
HELIX   18  18 ASN A  316  LYS A  340  1                                  25    
HELIX   19  19 SER A  343  ARG A  360  1                                  18    
SHEET    1   A 2 MET A 106  ARG A 107  0                                        
SHEET    2   A 2 LYS A 110  PRO A 111 -1  O  LYS A 110   N  ARG A 107           
LINK         OD2 ASP A  98                MG    MG A 401     1555   1555  2.20  
LINK         OD1 ASP A  98                MG    MG A 403     1555   1555  2.12  
LINK         OD2 ASP A 102                MG    MG A 401     1555   1555  2.38  
LINK         OD2 ASP A 102                MG    MG A 403     1555   1555  2.19  
LINK         OD2 ASP A 250                MG    MG A 402     1555   1555  2.27  
LINK         O   HOH A 364                MG    MG A 403     1555   1555  2.08  
LINK         O   HOH A 365                MG    MG A 401     1555   1555  2.16  
LINK         O   HOH A 376                MG    MG A 402     1555   1555  2.05  
LINK         O   HOH A 377                MG    MG A 402     1555   1555  2.36  
LINK         O   HOH A 380                MG    MG A 403     1555   1555  2.19  
LINK        MG    MG A 401                 O   HOH A 450     1555   1555  2.06  
LINK        MG    MG A 401                 O10 ZOL A 901     1555   1555  2.03  
LINK        MG    MG A 401                 O17 ZOL A 901     1555   1555  2.13  
LINK        MG    MG A 402                 O   HOH A 422     1555   1555  2.02  
LINK        MG    MG A 402                 O15 ZOL A 901     1555   1555  1.91  
LINK        MG    MG A 402                 O12 ZOL A 901     1555   1555  2.06  
LINK        MG    MG A 403                 O   HOH A 507     1555   1555  1.95  
LINK        MG    MG A 403                 O17 ZOL A 901     1555   1555  2.02  
SITE     1 AC1  6 ASP A  98  ASP A 102  HOH A 365   MG A 403                    
SITE     2 AC1  6 HOH A 450  ZOL A 901                                          
SITE     1 AC2  5 ASP A 250  HOH A 376  HOH A 377  HOH A 422                    
SITE     2 AC2  5 ZOL A 901                                                     
SITE     1 AC3  8 ASP A  98  ASP A 102  ASP A 170  HOH A 364                    
SITE     2 AC3  8 HOH A 380   MG A 401  HOH A 507  ZOL A 901                    
SITE     1 AC4 21 ASP A  98  ASP A 102  ARG A 107  GLN A 167                    
SITE     2 AC4 21 LYS A 207  THR A 208  GLN A 247  ASP A 250                    
SITE     3 AC4 21 LYS A 264  HOH A 364  HOH A 365  HOH A 377                    
SITE     4 AC4 21  MG A 401   MG A 402   MG A 403  HOH A 422                    
SITE     5 AC4 21 HOH A 450  HOH A 462  HOH A 475  HOH A 507                    
SITE     6 AC4 21 IPE A 900                                                     
SITE     1 AC5  9 GLY A  47  LYS A  48  TYR A  49  PHE A  50                    
SITE     2 AC5  9 ARG A  51  GLN A  91  HOH A 363  HOH A 384                    
SITE     3 AC5  9 HOH A 394                                                     
SITE     1 AC6 16 LYS A  48  ARG A  51  GLN A  91  ARG A 108                    
SITE     2 AC6 16 TYR A 211  PHE A 246  GLN A 247  ASP A 250                    
SITE     3 AC6 16 HOH A 384  HOH A 391  HOH A 394  HOH A 405                    
SITE     4 AC6 16 HOH A 470  HOH A 586  HOH A 595  ZOL A 901                    
CRYST1   58.344   58.344  390.404  90.00  90.00 120.00 P 61 2 2     12          
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      0.017140  0.009896  0.000000        0.00000                         
SCALE2      0.000000  0.019791  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.002561        0.00000