PDB Short entry for 5I1U
HEADER    LYASE                                   06-FEB-16   5I1U              
TITLE     CRYSTAL STRUCTURE OF GERMACRADIEN-4-OL SYNTHASE FROM STREPTOMYCES     
TITLE    2 CITRICOLOR                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GERMACRADIEN-4-OL SYNTHASE;                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES CITRICOLOR;                        
SOURCE   3 ORGANISM_TAXID: 212427;                                              
SOURCE   4 GENE: SC1;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)-RIL                              
KEYWDS    LYASE, SESQUITERPENE CYCLASE                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.CHEN,D.W.CHRISTIANSON                                               
REVDAT   6   06-MAR-24 5I1U    1       REMARK                                   
REVDAT   5   25-DEC-19 5I1U    1       REMARK                                   
REVDAT   4   20-SEP-17 5I1U    1       JRNL   REMARK                            
REVDAT   3   04-MAY-16 5I1U    1       JRNL                                     
REVDAT   2   06-APR-16 5I1U    1       JRNL                                     
REVDAT   1   30-MAR-16 5I1U    0                                                
JRNL        AUTH   D.J.GRUNDY,M.CHEN,V.GONZALEZ,S.LEONI,D.J.MILLER,             
JRNL        AUTH 2 D.W.CHRISTIANSON,R.K.ALLEMANN                                
JRNL        TITL   MECHANISM OF GERMACRADIEN-4-OL SYNTHASE-CONTROLLED WATER     
JRNL        TITL 2 CAPTURE.                                                     
JRNL        REF    BIOCHEMISTRY                  V.  55  2112 2016              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   26998816                                                     
JRNL        DOI    10.1021/ACS.BIOCHEM.6B00115                                  
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX DEV_1839                                      
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 55.13                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 98141                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.158                           
REMARK   3   R VALUE            (WORKING SET) : 0.157                           
REMARK   3   FREE R VALUE                     : 0.200                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 2.030                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1994                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 55.1618 -  3.6149    0.98     6933   138  0.1616 0.1863        
REMARK   3     2  3.6149 -  2.8693    0.99     6886   145  0.1512 0.1867        
REMARK   3     3  2.8693 -  2.5066    0.99     6885   141  0.1454 0.1802        
REMARK   3     4  2.5066 -  2.2774    0.99     6901   142  0.1336 0.1753        
REMARK   3     5  2.2774 -  2.1142    0.99     6793   148  0.1326 0.2129        
REMARK   3     6  2.1142 -  1.9895    0.99     6809   143  0.1346 0.1732        
REMARK   3     7  1.9895 -  1.8899    0.99     6837   137  0.1494 0.2183        
REMARK   3     8  1.8899 -  1.8076    1.00     6887   135  0.1502 0.2050        
REMARK   3     9  1.8076 -  1.7380    1.00     6900   149  0.1576 0.2101        
REMARK   3    10  1.7380 -  1.6780    1.00     6880   146  0.1701 0.2308        
REMARK   3    11  1.6780 -  1.6256    1.00     6905   136  0.1823 0.2391        
REMARK   3    12  1.6256 -  1.5791    1.00     6878   140  0.2055 0.2523        
REMARK   3    13  1.5791 -  1.5375    1.00     6864   142  0.2372 0.3097        
REMARK   3    14  1.5375 -  1.5000    0.99     6789   152  0.2692 0.3054        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.160            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.660           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.014           5143                                  
REMARK   3   ANGLE     :  1.347           7034                                  
REMARK   3   CHIRALITY :  0.071            757                                  
REMARK   3   PLANARITY :  0.008            924                                  
REMARK   3   DIHEDRAL  : 13.415           1950                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5I1U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000218107.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-DEC-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 4.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000064                           
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CMOS                               
REMARK 200  DETECTOR MANUFACTURER          : RDI CMOS_8M                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 98277                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 55.125                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.6000                            
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: PHASER                                                
REMARK 200 STARTING MODEL: PENTALENENE SYNTHASE                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.17                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS, 2.0 M AMMONIUM SULFATE, PH   
REMARK 280  8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       37.06350            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25690 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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   -18                                                      
REMARK 465     GLY A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     SER A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     HIS A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     SER A    -7                                                      
REMARK 465     GLY A    -6                                                      
REMARK 465     LEU A    -5                                                      
REMARK 465     VAL A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     ARG A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     THR A   158                                                      
REMARK 465     ILE A   159                                                      
REMARK 465     GLY A   160                                                      
REMARK 465     GLN A   161                                                      
REMARK 465     SER A   227                                                      
REMARK 465     GLU A   228                                                      
REMARK 465     ARG A   229                                                      
REMARK 465     GLY A   230                                                      
REMARK 465     ASP A   231                                                      
REMARK 465     VAL A   232                                                      
REMARK 465     ARG A   311                                                      
REMARK 465     ARG A   312                                                      
REMARK 465     TYR A   313                                                      
REMARK 465     HIS A   314                                                      
REMARK 465     HIS A   315                                                      
REMARK 465     GLY A   316                                                      
REMARK 465     MET B   -18                                                      
REMARK 465     GLY B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     SER B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     HIS B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     SER B    -7                                                      
REMARK 465     GLY B    -6                                                      
REMARK 465     LEU B    -5                                                      
REMARK 465     VAL B    -4                                                      
REMARK 465     PRO B    -3                                                      
REMARK 465     ARG B    -2                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     SER B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     ASP B     3                                                      
REMARK 465     ASP B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     GLY B   160                                                      
REMARK 465     GLN B   161                                                      
REMARK 465     ALA B   224                                                      
REMARK 465     GLN B   225                                                      
REMARK 465     GLU B   226                                                      
REMARK 465     SER B   227                                                      
REMARK 465     GLU B   228                                                      
REMARK 465     ARG B   229                                                      
REMARK 465     GLY B   230                                                      
REMARK 465     ASP B   231                                                      
REMARK 465     THR B   310                                                      
REMARK 465     ARG B   311                                                      
REMARK 465     ARG B   312                                                      
REMARK 465     TYR B   313                                                      
REMARK 465     HIS B   314                                                      
REMARK 465     HIS B   315                                                      
REMARK 465     GLY B   316                                                      
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   576     O    HOH A   614              1.98            
REMARK 500   OE1  GLU A   249     O    HOH A   501              2.02            
REMARK 500   OD1  ASP B    24     O    HOH B   501              2.07            
REMARK 500   O    HOH A   685     O    HOH A   829              2.07            
REMARK 500   O    HOH A   720     O    HOH A   770              2.07            
REMARK 500   O    HOH A   506     O    HOH A   817              2.08            
REMARK 500   O    HOH A   537     O    HOH A   552              2.12            
REMARK 500   OD2  ASP B   294     O    HOH B   502              2.13            
REMARK 500   O    HOH A   502     O    HOH A   776              2.14            
REMARK 500   O    HOH B   716     O    HOH B   764              2.16            
REMARK 500   NH1  ARG B   204     O    HOH B   503              2.16            
REMARK 500   O    HOH B   716     O    HOH B   795              2.16            
REMARK 500   NH2  ARG B   207     O    HOH B   504              2.16            
REMARK 500   O    HOH A   763     O    HOH B   557              2.16            
REMARK 500   O    HOH A   649     O    HOH A   818              2.17            
REMARK 500   O    HOH A   774     O    HOH B   521              2.18            
REMARK 500   O    HOH B   783     O    HOH B   801              2.18            
REMARK 500   O    HOH A   528     O    HOH A   753              2.19            
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 118   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    MET B 198   CG  -  SD  -  CE  ANGL. DEV. = -12.5 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    ASP B  49      114.86    -23.97                                   
REMARK 500    ASP B  84       42.09    -82.36                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 TRP B   48     ASP B   49                 -131.38                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 851        DISTANCE =  5.82 ANGSTROMS                       
REMARK 525    HOH A 852        DISTANCE =  6.66 ANGSTROMS                       
REMARK 525    HOH A 853        DISTANCE =  7.67 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 401                 
DBREF  5I1U A    1   316  UNP    G5EKM9   G5EKM9_9ACTN     1    316             
DBREF  5I1U B    1   316  UNP    G5EKM9   G5EKM9_9ACTN     1    316             
SEQADV 5I1U MET A  -18  UNP  G5EKM9              INITIATING METHIONINE          
SEQADV 5I1U GLY A  -17  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER A  -16  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER A  -15  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS A  -14  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS A  -13  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS A  -12  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS A  -11  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS A  -10  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS A   -9  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER A   -8  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER A   -7  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U GLY A   -6  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U LEU A   -5  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U VAL A   -4  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U PRO A   -3  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U ARG A   -2  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U GLY A   -1  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER A    0  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U ALA A  248  UNP  G5EKM9    GLU   248 ENGINEERED MUTATION            
SEQADV 5I1U MET B  -18  UNP  G5EKM9              INITIATING METHIONINE          
SEQADV 5I1U GLY B  -17  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER B  -16  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER B  -15  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS B  -14  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS B  -13  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS B  -12  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS B  -11  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS B  -10  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U HIS B   -9  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER B   -8  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER B   -7  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U GLY B   -6  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U LEU B   -5  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U VAL B   -4  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U PRO B   -3  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U ARG B   -2  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U GLY B   -1  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U SER B    0  UNP  G5EKM9              EXPRESSION TAG                 
SEQADV 5I1U ALA B  248  UNP  G5EKM9    GLU   248 ENGINEERED MUTATION            
SEQRES   1 A  335  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  335  LEU VAL PRO ARG GLY SER MET SER ASP ASP THR SER LEU          
SEQRES   3 A  335  GLU LEU PRO PHE THR HIS ARG ARG ASN PRO HIS GLN THR          
SEQRES   4 A  335  GLU ALA ALA ASP ARG HIS LEU GLU TRP LEU GLN ARG HIS          
SEQRES   5 A  335  ARG GLU LEU ALA ALA VAL VAL SER GLY SER THR TYR THR          
SEQRES   6 A  335  GLY TRP ASP ILE THR GLU LEU ALA SER LEU VAL TYR PRO          
SEQRES   7 A  335  GLU SER SER ALA GLU ASP LEU ALA LEU ALA ALA ASP LEU          
SEQRES   8 A  335  MET GLY PHE TYR PHE LEU PHE ASP ASP GLN PHE ASP SER          
SEQRES   9 A  335  PRO LEU GLY ARG ARG PRO GLU GLN VAL ALA LEU ILE CYS          
SEQRES  10 A  335  GLU ARG LEU SER ALA ILE ALA HIS GLY THR LEU THR ALA          
SEQRES  11 A  335  VAL THR SER PRO SER GLU ARG ALA PHE ALA ASP LEU TRP          
SEQRES  12 A  335  ARG ARG ILE THR LEU GLY MET THR ASP ARG TRP ARG ALA          
SEQRES  13 A  335  ARG ALA ALA CYS ASN TRP GLU TYR TYR PHE ALA CYS HIS          
SEQRES  14 A  335  PRO ALA GLU ALA ALA GLY ARG THR ILE GLY GLN PRO PRO          
SEQRES  15 A  335  ASP ARG GLU GLY TYR LEU THR LEU ARG ARG GLY THR ALA          
SEQRES  16 A  335  ALA MET GLU SER ILE PHE ASP MET ILE GLU ARG LEU GLY          
SEQRES  17 A  335  HIS PHE GLU VAL PRO GLN HIS VAL MET HIS HIS PRO LEU          
SEQRES  18 A  335  PHE ARG GLN LEU ARG GLN LEU ALA ALA ASP ILE PRO SER          
SEQRES  19 A  335  PHE THR ASN ASP VAL ARG SER PHE ALA GLN GLU SER GLU          
SEQRES  20 A  335  ARG GLY ASP VAL ALA ASN LEU VAL MET ILE VAL ARG ARG          
SEQRES  21 A  335  ASP ARG CYS CYS SER THR ALA GLU ALA CYS ALA VAL VAL          
SEQRES  22 A  335  TRP ASP GLU ALA GLN ARG MET ALA ASP ARG PHE CYS ASP          
SEQRES  23 A  335  LEU ARG ASP GLN LEU PRO ASP ALA CYS ARG SER MET SER          
SEQRES  24 A  335  LEU ASP PRO ALA GLN ARG LEU ALA ALA GLU ARG TYR ALA          
SEQRES  25 A  335  ASP GLY MET ALA LEU TRP LEU ALA GLY TYR LEU HIS TRP          
SEQRES  26 A  335  GLU SER HIS THR ARG ARG TYR HIS HIS GLY                      
SEQRES   1 B  335  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  335  LEU VAL PRO ARG GLY SER MET SER ASP ASP THR SER LEU          
SEQRES   3 B  335  GLU LEU PRO PHE THR HIS ARG ARG ASN PRO HIS GLN THR          
SEQRES   4 B  335  GLU ALA ALA ASP ARG HIS LEU GLU TRP LEU GLN ARG HIS          
SEQRES   5 B  335  ARG GLU LEU ALA ALA VAL VAL SER GLY SER THR TYR THR          
SEQRES   6 B  335  GLY TRP ASP ILE THR GLU LEU ALA SER LEU VAL TYR PRO          
SEQRES   7 B  335  GLU SER SER ALA GLU ASP LEU ALA LEU ALA ALA ASP LEU          
SEQRES   8 B  335  MET GLY PHE TYR PHE LEU PHE ASP ASP GLN PHE ASP SER          
SEQRES   9 B  335  PRO LEU GLY ARG ARG PRO GLU GLN VAL ALA LEU ILE CYS          
SEQRES  10 B  335  GLU ARG LEU SER ALA ILE ALA HIS GLY THR LEU THR ALA          
SEQRES  11 B  335  VAL THR SER PRO SER GLU ARG ALA PHE ALA ASP LEU TRP          
SEQRES  12 B  335  ARG ARG ILE THR LEU GLY MET THR ASP ARG TRP ARG ALA          
SEQRES  13 B  335  ARG ALA ALA CYS ASN TRP GLU TYR TYR PHE ALA CYS HIS          
SEQRES  14 B  335  PRO ALA GLU ALA ALA GLY ARG THR ILE GLY GLN PRO PRO          
SEQRES  15 B  335  ASP ARG GLU GLY TYR LEU THR LEU ARG ARG GLY THR ALA          
SEQRES  16 B  335  ALA MET GLU SER ILE PHE ASP MET ILE GLU ARG LEU GLY          
SEQRES  17 B  335  HIS PHE GLU VAL PRO GLN HIS VAL MET HIS HIS PRO LEU          
SEQRES  18 B  335  PHE ARG GLN LEU ARG GLN LEU ALA ALA ASP ILE PRO SER          
SEQRES  19 B  335  PHE THR ASN ASP VAL ARG SER PHE ALA GLN GLU SER GLU          
SEQRES  20 B  335  ARG GLY ASP VAL ALA ASN LEU VAL MET ILE VAL ARG ARG          
SEQRES  21 B  335  ASP ARG CYS CYS SER THR ALA GLU ALA CYS ALA VAL VAL          
SEQRES  22 B  335  TRP ASP GLU ALA GLN ARG MET ALA ASP ARG PHE CYS ASP          
SEQRES  23 B  335  LEU ARG ASP GLN LEU PRO ASP ALA CYS ARG SER MET SER          
SEQRES  24 B  335  LEU ASP PRO ALA GLN ARG LEU ALA ALA GLU ARG TYR ALA          
SEQRES  25 B  335  ASP GLY MET ALA LEU TRP LEU ALA GLY TYR LEU HIS TRP          
SEQRES  26 B  335  GLU SER HIS THR ARG ARG TYR HIS HIS GLY                      
HET    SO4  A 401       5                                                       
HET    SO4  B 401       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  HOH   *658(H2 O)                                                    
HELIX    1 AA1 HIS A   18  HIS A   33  1                                  16    
HELIX    2 AA2 HIS A   33  ALA A   38  1                                   6    
HELIX    3 AA3 SER A   41  ASP A   49  1                                   9    
HELIX    4 AA4 ASP A   49  TYR A   58  1                                  10    
HELIX    5 AA5 SER A   62  GLN A   82  1                                  21    
HELIX    6 AA6 PHE A   83  ASP A   84  5                                   2    
HELIX    7 AA7 SER A   85  ARG A   89  5                                   5    
HELIX    8 AA8 ARG A   90  HIS A  106  1                                  17    
HELIX    9 AA9 SER A  114  LEU A  129  1                                  16    
HELIX   10 AB1 THR A  132  CYS A  149  1                                  18    
HELIX   11 AB2 CYS A  149  GLY A  156  1                                   8    
HELIX   12 AB3 ASP A  164  ALA A  176  1                                  13    
HELIX   13 AB4 ALA A  177  HIS A  190  1                                  14    
HELIX   14 AB5 PRO A  194  HIS A  199  1                                   6    
HELIX   15 AB6 HIS A  200  PHE A  223  1                                  24    
HELIX   16 AB7 ASN A  234  CYS A  244  1                                  11    
HELIX   17 AB8 SER A  246  GLN A  271  1                                  26    
HELIX   18 AB9 GLN A  271  MET A  279  1                                   9    
HELIX   19 AC1 ASP A  282  THR A  310  1                                  29    
HELIX   20 AC2 HIS B   18  HIS B   33  1                                  16    
HELIX   21 AC3 HIS B   33  ALA B   38  1                                   6    
HELIX   22 AC4 SER B   41  GLY B   47  1                                   7    
HELIX   23 AC5 ASP B   49  TYR B   58  1                                  10    
HELIX   24 AC6 SER B   62  GLN B   82  1                                  21    
HELIX   25 AC7 ARG B   90  HIS B  106  1                                  17    
HELIX   26 AC8 SER B  114  LEU B  129  1                                  16    
HELIX   27 AC9 THR B  132  CYS B  149  1                                  18    
HELIX   28 AD1 CYS B  149  ARG B  157  1                                   9    
HELIX   29 AD2 ASP B  164  ALA B  176  1                                  13    
HELIX   30 AD3 ALA B  177  HIS B  190  1                                  14    
HELIX   31 AD4 PRO B  194  HIS B  199  1                                   6    
HELIX   32 AD5 HIS B  200  SER B  222  1                                  23    
HELIX   33 AD6 ASN B  234  CYS B  244  1                                  11    
HELIX   34 AD7 SER B  246  GLN B  271  1                                  26    
HELIX   35 AD8 GLN B  271  MET B  279  1                                   9    
HELIX   36 AD9 ASP B  282  HIS B  309  1                                  28    
SITE     1 AC1  3 HIS A  13  ARG A  15  HIS A 305                               
SITE     1 AC2  2 ARG A 173  ARG B 173                                          
CRYST1   51.369   74.127   82.489  90.00  91.72  90.00 P 1 21 1      4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.019467  0.000000  0.000585        0.00000                         
SCALE2      0.000000  0.013490  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012128        0.00000