HEADER    ISOMERASE                               20-SEP-10   3OWU              
TITLE     CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE D40N/C69S/C81S/C97S/F86C-CN
TITLE    2 FROM P. PUTIDA WITH BOUND EQUILENIN                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: STEROID DELTA-ISOMERASE;                                   
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: DELTA(5)-3-KETOSTEROID ISOMERASE;                           
COMPND   5 EC: 5.3.3.1;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS PUTIDA;                             
SOURCE   3 ORGANISM_TAXID: 303;                                                 
SOURCE   4 GENE: KSI;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PKK223-3                                  
KEYWDS    ISOMERASE, STEROIDS, CYANYLATION                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.A.SIGALA,T.D.FENN,D.HERSCHLAG                                       
REVDAT   6   16-OCT-24 3OWU    1       REMARK                                   
REVDAT   5   06-DEC-23 3OWU    1       REMARK                                   
REVDAT   4   06-SEP-23 3OWU    1       REMARK SEQADV LINK                       
REVDAT   3   07-MAR-12 3OWU    1       JRNL                                     
REVDAT   2   15-FEB-12 3OWU    1       JRNL                                     
REVDAT   1   21-SEP-11 3OWU    0                                                
JRNL        AUTH   A.T.FAFARMAN,P.A.SIGALA,J.P.SCHWANS,T.D.FENN,D.HERSCHLAG,    
JRNL        AUTH 2 S.G.BOXER                                                    
JRNL        TITL   QUANTITATIVE, DIRECTIONAL MEASUREMENT OF ELECTRIC FIELD      
JRNL        TITL 2 HETEROGENEITY IN THE ACTIVE SITE OF KETOSTEROID ISOMERASE.   
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 109  E299 2012              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   22308339                                                     
JRNL        DOI    10.1073/PNAS.1111566109                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.14                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.030                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 56.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 29769                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.219                           
REMARK   3   R VALUE            (WORKING SET) : 0.216                           
REMARK   3   FREE R VALUE                     : 0.270                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.030                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1497                            
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 36.1400 -  3.7868    0.99     4568   220  0.1651 0.2043        
REMARK   3     2  3.7868 -  3.0061    0.98     4400   266  0.1977 0.2473        
REMARK   3     3  3.0061 -  2.6263    0.96     4347   245  0.2482 0.3214        
REMARK   3     4  2.6263 -  2.3862    0.89     4022   213  0.2649 0.3006        
REMARK   3     5  2.3862 -  2.2152    0.75     3420   180  0.2523 0.3648        
REMARK   3     6  2.2152 -  2.0846    0.61     2781   130  0.2562 0.3229        
REMARK   3     7  2.0846 -  1.9802    0.47     2108   110  0.2744 0.2797        
REMARK   3     8  1.9802 -  1.8940    0.31     1375    78  0.3002 0.4250        
REMARK   3     9  1.8940 -  1.8211    0.18      814    38  0.2927 0.3941        
REMARK   3    10  1.8211 -  1.7583    0.08      354    12  0.3206 0.5359        
REMARK   3    11  1.7583 -  1.7000    0.02       83     5  0.4160 0.3721        
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              : 0.40                                          
REMARK   3   B_SOL              : 54.16                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 1.500            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.26                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 45.24                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.93620                                              
REMARK   3    B22 (A**2) : -16.01160                                            
REMARK   3    B33 (A**2) : -5.99680                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 8.95950                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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      :  0.005           4160                                  
REMARK   3   ANGLE     :  1.059           5664                                  
REMARK   3   CHIRALITY :  0.060            596                                  
REMARK   3   PLANARITY :  0.003            752                                  
REMARK   3   DIHEDRAL  : 16.990           1528                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A                                                
REMARK   3    ORIGIN FOR THE GROUP (A):   9.3404  -5.2886   2.8183              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2260 T22:   0.2171                                     
REMARK   3      T33:   0.2181 T12:  -0.0270                                     
REMARK   3      T13:  -0.0053 T23:  -0.0137                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.2905 L22:   1.3080                                     
REMARK   3      L33:   1.1047 L12:   0.3850                                     
REMARK   3      L13:  -0.0838 L23:  -0.8368                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0100 S12:  -0.0228 S13:   0.0543                       
REMARK   3      S21:   0.0132 S22:  -0.1709 S23:  -0.2921                       
REMARK   3      S31:  -0.1817 S32:   0.1324 S33:   0.1448                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN B                                                
REMARK   3    ORIGIN FOR THE GROUP (A):  -7.6614 -18.0660  -6.3853              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2335 T22:   0.2050                                     
REMARK   3      T33:   0.2753 T12:  -0.0181                                     
REMARK   3      T13:   0.0072 T23:  -0.0045                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1354 L22:   1.7273                                     
REMARK   3      L33:   0.6168 L12:  -0.5594                                     
REMARK   3      L13:   0.1411 L23:   0.5404                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0170 S12:  -0.0314 S13:  -0.1232                       
REMARK   3      S21:  -0.1171 S22:   0.0149 S23:   0.3114                       
REMARK   3      S31:  -0.1082 S32:   0.0174 S33:   0.0036                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN C                                                
REMARK   3    ORIGIN FOR THE GROUP (A):  16.9256  13.0668 -16.5030              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1979 T22:   0.1873                                     
REMARK   3      T33:   0.2184 T12:  -0.0231                                     
REMARK   3      T13:   0.0222 T23:  -0.0257                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.2641 L22:   0.2804                                     
REMARK   3      L33:   1.2873 L12:  -0.0152                                     
REMARK   3      L13:  -0.1034 L23:  -0.1593                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0370 S12:  -0.0595 S13:  -0.1368                       
REMARK   3      S21:  -0.0091 S22:  -0.1052 S23:  -0.2204                       
REMARK   3      S31:   0.1886 S32:   0.0616 S33:   0.0576                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN D                                                
REMARK   3    ORIGIN FOR THE GROUP (A):  -1.7950  25.4660 -21.6812              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1509 T22:   0.2026                                     
REMARK   3      T33:   0.1809 T12:  -0.0243                                     
REMARK   3      T13:  -0.0100 T23:   0.0056                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.2386 L22:   1.0530                                     
REMARK   3      L33:   0.7364 L12:   0.5857                                     
REMARK   3      L13:  -0.3774 L23:  -0.0641                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0522 S12:   0.0130 S13:   0.2086                       
REMARK   3      S21:  -0.0863 S22:  -0.0531 S23:   0.0373                       
REMARK   3      S31:   0.1539 S32:  -0.0243 S33:   0.0801                       
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 3OWU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-SEP-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000061671.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-DEC-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL, SI(111)            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32425                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 36.140                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 62.0                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
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) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 2.0                                
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: PHASES                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2PZV                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.1 M AMMONIUM SULFATE, 5%               
REMARK 280  ISOPROPANOL, 40 MM POTASSIUM PHOSPHATE, PH 7.2, VAPOR DIFFUSION,    
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       65.16450            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: 2750 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12590 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: 2730 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12600 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 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     1                                                      
REMARK 465     GLN A   131                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLN B   131                                                      
REMARK 465     MET C     1                                                      
REMARK 465     GLN C   131                                                      
REMARK 465     MET D     1                                                      
REMARK 465     GLN D   131                                                      
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    ASN C  40      101.34   -164.12                                   
REMARK 500    TRP D 120      149.55   -175.44                                   
REMARK 500    GLU D 129     -172.76    -49.69                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EQU A 200                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EQU B 200                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EQU C 200                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EQU D 200                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3OWS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3OWY   RELATED DB: PDB                                   
DBREF  3OWU A    1   131  UNP    P07445   SDIS_PSEPU       1    131             
DBREF  3OWU B    1   131  UNP    P07445   SDIS_PSEPU       1    131             
DBREF  3OWU C    1   131  UNP    P07445   SDIS_PSEPU       1    131             
DBREF  3OWU D    1   131  UNP    P07445   SDIS_PSEPU       1    131             
SEQADV 3OWU ASN A   40  UNP  P07445    ASP    40 ENGINEERED MUTATION            
SEQADV 3OWU SER A   69  UNP  P07445    CYS    69 ENGINEERED MUTATION            
SEQADV 3OWU SER A   81  UNP  P07445    CYS    81 ENGINEERED MUTATION            
SEQADV 3OWU XCN A   86  UNP  P07445    PHE    86 ENGINEERED MUTATION            
SEQADV 3OWU SER A   97  UNP  P07445    CYS    97 ENGINEERED MUTATION            
SEQADV 3OWU ASN B   40  UNP  P07445    ASP    40 ENGINEERED MUTATION            
SEQADV 3OWU SER B   69  UNP  P07445    CYS    69 ENGINEERED MUTATION            
SEQADV 3OWU SER B   81  UNP  P07445    CYS    81 ENGINEERED MUTATION            
SEQADV 3OWU XCN B   86  UNP  P07445    PHE    86 ENGINEERED MUTATION            
SEQADV 3OWU SER B   97  UNP  P07445    CYS    97 ENGINEERED MUTATION            
SEQADV 3OWU ASN C   40  UNP  P07445    ASP    40 ENGINEERED MUTATION            
SEQADV 3OWU SER C   69  UNP  P07445    CYS    69 ENGINEERED MUTATION            
SEQADV 3OWU SER C   81  UNP  P07445    CYS    81 ENGINEERED MUTATION            
SEQADV 3OWU XCN C   86  UNP  P07445    PHE    86 ENGINEERED MUTATION            
SEQADV 3OWU SER C   97  UNP  P07445    CYS    97 ENGINEERED MUTATION            
SEQADV 3OWU ASN D   40  UNP  P07445    ASP    40 ENGINEERED MUTATION            
SEQADV 3OWU SER D   69  UNP  P07445    CYS    69 ENGINEERED MUTATION            
SEQADV 3OWU SER D   81  UNP  P07445    CYS    81 ENGINEERED MUTATION            
SEQADV 3OWU XCN D   86  UNP  P07445    PHE    86 ENGINEERED MUTATION            
SEQADV 3OWU SER D   97  UNP  P07445    CYS    97 ENGINEERED MUTATION            
SEQRES   1 A  131  MET ASN LEU PRO THR ALA GLN GLU VAL GLN GLY LEU MET          
SEQRES   2 A  131  ALA ARG TYR ILE GLU LEU VAL ASP VAL GLY ASP ILE GLU          
SEQRES   3 A  131  ALA ILE VAL GLN MET TYR ALA ASP ASP ALA THR VAL GLU          
SEQRES   4 A  131  ASN PRO PHE GLY GLN PRO PRO ILE HIS GLY ARG GLU GLN          
SEQRES   5 A  131  ILE ALA ALA PHE TYR ARG GLN GLY LEU GLY GLY GLY LYS          
SEQRES   6 A  131  VAL ARG ALA SER LEU THR GLY PRO VAL ARG ALA SER HIS          
SEQRES   7 A  131  ASN GLY SER GLY ALA MET PRO XCN ARG VAL GLU MET VAL          
SEQRES   8 A  131  TRP ASN GLY GLN PRO SER ALA LEU ASP VAL ILE ASP VAL          
SEQRES   9 A  131  MET ARG PHE ASP GLU HIS GLY ARG ILE GLN THR MET GLN          
SEQRES  10 A  131  ALA TYR TRP SER GLU VAL ASN LEU SER VAL ARG GLU PRO          
SEQRES  11 A  131  GLN                                                          
SEQRES   1 B  131  MET ASN LEU PRO THR ALA GLN GLU VAL GLN GLY LEU MET          
SEQRES   2 B  131  ALA ARG TYR ILE GLU LEU VAL ASP VAL GLY ASP ILE GLU          
SEQRES   3 B  131  ALA ILE VAL GLN MET TYR ALA ASP ASP ALA THR VAL GLU          
SEQRES   4 B  131  ASN PRO PHE GLY GLN PRO PRO ILE HIS GLY ARG GLU GLN          
SEQRES   5 B  131  ILE ALA ALA PHE TYR ARG GLN GLY LEU GLY GLY GLY LYS          
SEQRES   6 B  131  VAL ARG ALA SER LEU THR GLY PRO VAL ARG ALA SER HIS          
SEQRES   7 B  131  ASN GLY SER GLY ALA MET PRO XCN ARG VAL GLU MET VAL          
SEQRES   8 B  131  TRP ASN GLY GLN PRO SER ALA LEU ASP VAL ILE ASP VAL          
SEQRES   9 B  131  MET ARG PHE ASP GLU HIS GLY ARG ILE GLN THR MET GLN          
SEQRES  10 B  131  ALA TYR TRP SER GLU VAL ASN LEU SER VAL ARG GLU PRO          
SEQRES  11 B  131  GLN                                                          
SEQRES   1 C  131  MET ASN LEU PRO THR ALA GLN GLU VAL GLN GLY LEU MET          
SEQRES   2 C  131  ALA ARG TYR ILE GLU LEU VAL ASP VAL GLY ASP ILE GLU          
SEQRES   3 C  131  ALA ILE VAL GLN MET TYR ALA ASP ASP ALA THR VAL GLU          
SEQRES   4 C  131  ASN PRO PHE GLY GLN PRO PRO ILE HIS GLY ARG GLU GLN          
SEQRES   5 C  131  ILE ALA ALA PHE TYR ARG GLN GLY LEU GLY GLY GLY LYS          
SEQRES   6 C  131  VAL ARG ALA SER LEU THR GLY PRO VAL ARG ALA SER HIS          
SEQRES   7 C  131  ASN GLY SER GLY ALA MET PRO XCN ARG VAL GLU MET VAL          
SEQRES   8 C  131  TRP ASN GLY GLN PRO SER ALA LEU ASP VAL ILE ASP VAL          
SEQRES   9 C  131  MET ARG PHE ASP GLU HIS GLY ARG ILE GLN THR MET GLN          
SEQRES  10 C  131  ALA TYR TRP SER GLU VAL ASN LEU SER VAL ARG GLU PRO          
SEQRES  11 C  131  GLN                                                          
SEQRES   1 D  131  MET ASN LEU PRO THR ALA GLN GLU VAL GLN GLY LEU MET          
SEQRES   2 D  131  ALA ARG TYR ILE GLU LEU VAL ASP VAL GLY ASP ILE GLU          
SEQRES   3 D  131  ALA ILE VAL GLN MET TYR ALA ASP ASP ALA THR VAL GLU          
SEQRES   4 D  131  ASN PRO PHE GLY GLN PRO PRO ILE HIS GLY ARG GLU GLN          
SEQRES   5 D  131  ILE ALA ALA PHE TYR ARG GLN GLY LEU GLY GLY GLY LYS          
SEQRES   6 D  131  VAL ARG ALA SER LEU THR GLY PRO VAL ARG ALA SER HIS          
SEQRES   7 D  131  ASN GLY SER GLY ALA MET PRO XCN ARG VAL GLU MET VAL          
SEQRES   8 D  131  TRP ASN GLY GLN PRO SER ALA LEU ASP VAL ILE ASP VAL          
SEQRES   9 D  131  MET ARG PHE ASP GLU HIS GLY ARG ILE GLN THR MET GLN          
SEQRES  10 D  131  ALA TYR TRP SER GLU VAL ASN LEU SER VAL ARG GLU PRO          
SEQRES  11 D  131  GLN                                                          
MODRES 3OWU XCN A   86  CYS  S-CYANO-L-CYSTEINE                                 
MODRES 3OWU XCN B   86  CYS  S-CYANO-L-CYSTEINE                                 
MODRES 3OWU XCN C   86  CYS  S-CYANO-L-CYSTEINE                                 
MODRES 3OWU XCN D   86  CYS  S-CYANO-L-CYSTEINE                                 
HET    XCN  A  86       8                                                       
HET    XCN  B  86       8                                                       
HET    XCN  C  86       8                                                       
HET    XCN  D  86       8                                                       
HET    EQU  A 200      20                                                       
HET    EQU  B 200      20                                                       
HET    EQU  C 200      20                                                       
HET    EQU  D 200      20                                                       
HETNAM     XCN S-CYANO-L-CYSTEINE                                               
HETNAM     EQU EQUILENIN                                                        
FORMUL   1  XCN    4(C4 H6 N2 O2 S)                                             
FORMUL   5  EQU    4(C18 H18 O2)                                                
FORMUL   9  HOH   *218(H2 O)                                                    
HELIX    1   1 THR A    5  VAL A   22  1                                  18    
HELIX    2   2 ASP A   24  MET A   31  1                                   8    
HELIX    3   3 GLY A   49  GLY A   62  1                                  14    
HELIX    4   4 SER A  121  VAL A  123  5                                   3    
HELIX    5   5 THR B    5  GLY B   23  1                                  19    
HELIX    6   6 ASP B   24  MET B   31  1                                   8    
HELIX    7   7 GLY B   49  GLY B   62  1                                  14    
HELIX    8   8 SER B  121  VAL B  123  5                                   3    
HELIX    9   9 THR C    5  VAL C   22  1                                  18    
HELIX   10  10 ASP C   24  MET C   31  1                                   8    
HELIX   11  11 GLY C   49  GLY C   62  1                                  14    
HELIX   12  12 SER C  121  VAL C  123  5                                   3    
HELIX   13  13 THR D    5  VAL D   22  1                                  18    
HELIX   14  14 ASP D   24  MET D   31  1                                   8    
HELIX   15  15 GLY D   49  GLY D   62  1                                  14    
HELIX   16  16 SER D  121  VAL D  123  5                                   3    
SHEET    1   A 6 ILE A  47  HIS A  48  0                                        
SHEET    2   A 6 TYR A  32  GLU A  39 -1  N  VAL A  38   O  ILE A  47           
SHEET    3   A 6 ILE A 113  TYR A 119  1  O  ALA A 118   N  GLU A  39           
SHEET    4   A 6 GLN A  95  PHE A 107 -1  N  ILE A 102   O  TYR A 119           
SHEET    5   A 6 SER A  81  TRP A  92 -1  N  TRP A  92   O  GLN A  95           
SHEET    6   A 6 ARG A  75  ALA A  76 -1  N  ARG A  75   O  ALA A  83           
SHEET    1   B 4 ARG A  67  LEU A  70  0                                        
SHEET    2   B 4 SER A  81  TRP A  92 -1  O  GLU A  89   N  ARG A  67           
SHEET    3   B 4 GLN A  95  PHE A 107 -1  O  GLN A  95   N  TRP A  92           
SHEET    4   B 4 LEU A 125  VAL A 127 -1  O  SER A 126   N  ALA A  98           
SHEET    1   C 6 ILE B  47  HIS B  48  0                                        
SHEET    2   C 6 TYR B  32  GLU B  39 -1  N  VAL B  38   O  ILE B  47           
SHEET    3   C 6 ILE B 113  TYR B 119  1  O  ILE B 113   N  ALA B  33           
SHEET    4   C 6 GLN B  95  PHE B 107 -1  N  ILE B 102   O  TYR B 119           
SHEET    5   C 6 SER B  81  TRP B  92 -1  N  MET B  90   O  SER B  97           
SHEET    6   C 6 ARG B  75  ALA B  76 -1  N  ARG B  75   O  ALA B  83           
SHEET    1   D 4 ARG B  67  LEU B  70  0                                        
SHEET    2   D 4 SER B  81  TRP B  92 -1  O  GLU B  89   N  ARG B  67           
SHEET    3   D 4 GLN B  95  PHE B 107 -1  O  SER B  97   N  MET B  90           
SHEET    4   D 4 LEU B 125  VAL B 127 -1  O  SER B 126   N  ALA B  98           
SHEET    1   E 6 ILE C  47  HIS C  48  0                                        
SHEET    2   E 6 TYR C  32  GLU C  39 -1  N  VAL C  38   O  ILE C  47           
SHEET    3   E 6 ILE C 113  TYR C 119  1  O  ILE C 113   N  ALA C  33           
SHEET    4   E 6 GLN C  95  PHE C 107 -1  N  ILE C 102   O  TYR C 119           
SHEET    5   E 6 SER C  81  TRP C  92 -1  N  MET C  90   O  SER C  97           
SHEET    6   E 6 ARG C  75  ALA C  76 -1  N  ARG C  75   O  ALA C  83           
SHEET    1   F 4 ARG C  67  LEU C  70  0                                        
SHEET    2   F 4 SER C  81  TRP C  92 -1  O  GLU C  89   N  ARG C  67           
SHEET    3   F 4 GLN C  95  PHE C 107 -1  O  SER C  97   N  MET C  90           
SHEET    4   F 4 LEU C 125  VAL C 127 -1  O  SER C 126   N  ALA C  98           
SHEET    1   G 6 ILE D  47  HIS D  48  0                                        
SHEET    2   G 6 TYR D  32  GLU D  39 -1  N  VAL D  38   O  ILE D  47           
SHEET    3   G 6 ILE D 113  TYR D 119  1  O  ILE D 113   N  ALA D  33           
SHEET    4   G 6 GLN D  95  PHE D 107 -1  N  ILE D 102   O  TYR D 119           
SHEET    5   G 6 SER D  81  TRP D  92 -1  N  TRP D  92   O  GLN D  95           
SHEET    6   G 6 ARG D  75  ALA D  76 -1  N  ARG D  75   O  ALA D  83           
SHEET    1   H 4 ARG D  67  LEU D  70  0                                        
SHEET    2   H 4 SER D  81  TRP D  92 -1  O  GLU D  89   N  ARG D  67           
SHEET    3   H 4 GLN D  95  PHE D 107 -1  O  GLN D  95   N  TRP D  92           
SHEET    4   H 4 LEU D 125  VAL D 127 -1  O  SER D 126   N  ALA D  98           
LINK         C   PRO A  85                 N   XCN A  86     1555   1555  1.33  
LINK         C   XCN A  86                 N   ARG A  87     1555   1555  1.33  
LINK         C   PRO B  85                 N   XCN B  86     1555   1555  1.33  
LINK         C   XCN B  86                 N   ARG B  87     1555   1555  1.32  
LINK         C   PRO C  85                 N   XCN C  86     1555   1555  1.33  
LINK         C   XCN C  86                 N   ARG C  87     1555   1555  1.33  
LINK         C   PRO D  85                 N   XCN D  86     1555   1555  1.33  
LINK         C   XCN D  86                 N   ARG D  87     1555   1555  1.32  
CISPEP   1 ASN A   40    PRO A   41          0         3.58                     
CISPEP   2 ASN B   40    PRO B   41          0         1.64                     
CISPEP   3 ASN C   40    PRO C   41          0         3.61                     
CISPEP   4 ASN D   40    PRO D   41          0         2.30                     
SITE     1 AC1  9 TYR A  16  ASN A  40  GLY A  60  MET A  90                    
SITE     2 AC1  9 TRP A  92  LEU A  99  ASP A 103  MET A 116                    
SITE     3 AC1  9 TRP A 120                                                     
SITE     1 AC2  6 TYR B  16  ASN B  40  MET B  90  ASP B 103                    
SITE     2 AC2  6 MET B 116  TRP B 120                                          
SITE     1 AC3  9 TYR C  16  ASN C  40  GLY C  60  MET C  90                    
SITE     2 AC3  9 TRP C  92  LEU C  99  ASP C 103  MET C 116                    
SITE     3 AC3  9 TRP C 120                                                     
SITE     1 AC4  6 TYR D  16  ASN D  40  MET D  90  ASP D 103                    
SITE     2 AC4  6 MET D 116  TRP D 120                                          
CRYST1   45.231  130.329   45.131  90.00 112.69  90.00 P 1 21 1      8          
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      0.022109  0.000000  0.009246        0.00000                         
SCALE2      0.000000  0.007673  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.024017        0.00000