HEADER    HYDROLASE                               23-OCT-14   4RNA              
TITLE     CRYSTAL STRUCTURE OF PLPRO FROM MIDDLE EAST RESPIRATORY SYNDROME      
TITLE    2 (MERS) CORONAVIRUS                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PAPAIN-LIKE PROTEASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 1482-1803;                                    
COMPND   5 EC: 3.4.22.-;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN BETACORONAVIRUS 2C EMC/2012;              
SOURCE   3 ORGANISM_TAXID: 1235996;                                             
SOURCE   4 GENE: ORF1AB;                                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21 STAR;                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    MERS, CORONAVIRUS, PAPAIN-LIKE PROTEASE, PLPRO, HYDROLASE             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.LEI,B.D.SANTARSIERO,H.LEE,M.E.JOHNSON                               
REVDAT   5   06-DEC-23 4RNA    1       REMARK                                   
REVDAT   4   20-SEP-23 4RNA    1       REMARK SEQADV LINK                       
REVDAT   3   22-NOV-17 4RNA    1       REMARK                                   
REVDAT   2   01-JUL-15 4RNA    1       JRNL                                     
REVDAT   1   25-MAR-15 4RNA    0                                                
JRNL        AUTH   H.LEE,H.LEI,B.D.SANTARSIERO,J.L.GATUZ,S.CAO,A.J.RICE,        
JRNL        AUTH 2 K.PATEL,M.Z.SZYPULINSKI,I.OJEDA,A.K.GHOSH,M.E.JOHNSON        
JRNL        TITL   INHIBITOR RECOGNITION SPECIFICITY OF MERS-COV PAPAIN-LIKE    
JRNL        TITL 2 PROTEASE MAY DIFFER FROM THAT OF SARS-COV.                   
JRNL        REF    ACS CHEM.BIOL.                V.  10  1456 2015              
JRNL        REFN                   ISSN 1554-8929                               
JRNL        PMID   25746232                                                     
JRNL        DOI    10.1021/CB500917M                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.79 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.79                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.73                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 31482                          
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) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1681                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.79                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.84                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1955                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 86.72                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4070                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 108                          
REMARK   3   BIN FREE R VALUE                    : 0.4290                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2504                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 204                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 41.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.63                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.55000                                             
REMARK   3    B22 (A**2) : 3.51000                                              
REMARK   3    B33 (A**2) : -2.71000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -1.67000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.126         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.130         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.119         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.127         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.968                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.951                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2590 ; 0.019 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3520 ; 2.209 ; 1.961       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   324 ; 6.489 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   110 ;38.498 ;23.909       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   440 ;16.167 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    14 ;24.939 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   404 ; 0.136 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1914 ; 0.011 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 4RNA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-OCT-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000087557.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-OCT-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-F                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97872                            
REMARK 200  MONOCHROMATOR                  : DIAMOND(111)                       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33172                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.794                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.731                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.270                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.07900                            
REMARK 200  R SYM                      (I) : 0.07900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.7140                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.79                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.89                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.34800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 0.600                              
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: PDB ENTRY 4PT5                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.69                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.056 M SODIUM PHOSPHATE MONOBASIC       
REMARK 280  MONOHYDRATE, 1.344 M POTASSIUM PHOSPHATE, PH 8.0, 20% GLYCEROL,     
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       49.44950            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.39000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       49.44950            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       24.39000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5590 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 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     GLY A    -1                                                      
REMARK 465     PRO A     0                                                      
REMARK 465     GLN A     1                                                      
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   565     O    HOH A   630              1.80            
REMARK 500   O    HOH A   544     O    HOH A   643              1.80            
REMARK 500   O    HOH A   561     O    HOH A   642              1.81            
REMARK 500   OD1  ASP A   144     O    HOH A   624              1.87            
REMARK 500   O    HOH A   550     O    HOH A   597              1.89            
REMARK 500   O    HOH A   539     O    HOH A   576              1.89            
REMARK 500   O    HOH A   529     O    HOH A   701              1.97            
REMARK 500   O    HOH A   561     O    HOH A   587              2.00            
REMARK 500   O    HOH A   580     O    HOH A   688              2.02            
REMARK 500   O    HOH A   663     O    HOH A   668              2.03            
REMARK 500   O    HOH A   553     O    HOH A   643              2.10            
REMARK 500   O    HOH A   597     O    HOH A   609              2.10            
REMARK 500   O    HOH A   554     O    HOH A   670              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   566     O    HOH A   703     2555     1.62            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    TRP A  93   CE2   TRP A  93   CD2     0.073                       
REMARK 500    TRP A 243   CE2   TRP A 243   CD2     0.081                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 168   NE  -  CZ  -  NH1 ANGL. DEV. =   5.3 DEGREES          
REMARK 500    ARG A 168   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    GLY A 277   N   -  CA  -  C   ANGL. DEV. =  16.7 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    LEU A  30      -58.12   -140.04                                   
REMARK 500    VAL A 276       50.89     36.35                                   
REMARK 500    THR A 308      -85.97   -120.74                                   
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 VAL A  276     GLY A  277                  141.82                    
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                              ZN A 401  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 191   SG                                                     
REMARK 620 2 CYS A 194   SG  109.2                                              
REMARK 620 3 CYS A 226   SG  112.5 109.8                                        
REMARK 620 4 CYS A 228   SG  108.1 110.3 106.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 404                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 405                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4PT5   RELATED DB: PDB                                   
DBREF  4RNA A    1   322  UNP    K4LC41   K4LC41_9BETC  1482   1803             
SEQADV 4RNA GLY A   -1  UNP  K4LC41              EXPRESSION TAG                 
SEQADV 4RNA PRO A    0  UNP  K4LC41              EXPRESSION TAG                 
SEQRES   1 A  324  GLY PRO GLN LEU THR ILE GLU VAL LEU VAL THR VAL ASP          
SEQRES   2 A  324  GLY VAL ASN PHE ARG THR VAL VAL LEU ASN ASN LYS ASN          
SEQRES   3 A  324  THR TYR ARG SER GLN LEU GLY CYS VAL PHE PHE ASN GLY          
SEQRES   4 A  324  ALA ASP ILE SER ASP THR ILE PRO ASP GLU LYS GLN ASN          
SEQRES   5 A  324  GLY HIS SER LEU TYR LEU ALA ASP ASN LEU THR ALA ASP          
SEQRES   6 A  324  GLU THR LYS ALA LEU LYS GLU LEU TYR GLY PRO VAL ASP          
SEQRES   7 A  324  PRO THR PHE LEU HIS ARG PHE TYR SER LEU LYS ALA ALA          
SEQRES   8 A  324  VAL HIS GLY TRP LYS MET VAL VAL OCS ASP LYS VAL ARG          
SEQRES   9 A  324  SER LEU LYS LEU SER ASP ASN ASN CSS TYR LEU ASN ALA          
SEQRES  10 A  324  VAL ILE MET THR LEU ASP LEU LEU LYS ASP ILE LYS PHE          
SEQRES  11 A  324  VAL ILE PRO ALA LEU GLN HIS ALA PHE MET LYS HIS LYS          
SEQRES  12 A  324  GLY GLY ASP SER THR ASP PHE ILE ALA LEU ILE MET ALA          
SEQRES  13 A  324  TYR GLY ASN CYS THR PHE GLY ALA PRO ASP ASP ALA SER          
SEQRES  14 A  324  ARG LEU LEU HIS THR VAL LEU ALA LYS ALA GLU LEU CYS          
SEQRES  15 A  324  CYS SER ALA ARG MET VAL TRP ARG GLU TRP CYS ASN VAL          
SEQRES  16 A  324  CYS GLY ILE LYS ASP VAL VAL LEU GLN GLY LEU LYS ALA          
SEQRES  17 A  324  CYS CYS TYR VAL GLY VAL GLN THR VAL GLU ASP LEU ARG          
SEQRES  18 A  324  ALA ARG MET THR TYR VAL CYS GLN CYS GLY GLY GLU ARG          
SEQRES  19 A  324  HIS ARG GLN LEU VAL GLU HIS THR THR PRO TRP LEU LEU          
SEQRES  20 A  324  LEU SER GLY THR PRO ASN GLU LYS LEU VAL THR THR SER          
SEQRES  21 A  324  THR ALA PRO ASP PHE VAL ALA PHE ASN VAL PHE GLN GLY          
SEQRES  22 A  324  ILE GLU THR ALA VAL GLY HIS TYR VAL HIS ALA ARG LEU          
SEQRES  23 A  324  LYS GLY GLY LEU ILE LEU LYS PHE ASP SER GLY THR VAL          
SEQRES  24 A  324  SER LYS THR SER ASP TRP LYS CYS LYS VAL THR ASP VAL          
SEQRES  25 A  324  LEU PHE PRO GLY GLN LYS TYR SER SER ASP CYS ASN              
MODRES 4RNA OCS A   98  CYS  CYSTEINESULFONIC ACID                              
MODRES 4RNA CSS A  111  CYS  S-MERCAPTOCYSTEINE                                 
HET    OCS  A  98       9                                                       
HET    CSS  A 111       7                                                       
HET     ZN  A 401       1                                                       
HET    PO4  A 402       5                                                       
HET    PO4  A 403       5                                                       
HET    PO4  A 404       5                                                       
HET    PO4  A 405       5                                                       
HETNAM     OCS CYSTEINESULFONIC ACID                                            
HETNAM     CSS S-MERCAPTOCYSTEINE                                               
HETNAM      ZN ZINC ION                                                         
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   1  OCS    C3 H7 N O5 S                                                 
FORMUL   1  CSS    C3 H7 N O2 S2                                                
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  PO4    4(O4 P 3-)                                                   
FORMUL   7  HOH   *204(H2 O)                                                    
HELIX    1   1 THR A   25  LEU A   30  1                                   6    
HELIX    2   2 ASP A   46  ASN A   50  5                                   5    
HELIX    3   3 THR A   61  GLY A   73  1                                  13    
HELIX    4   4 THR A   78  HIS A   91  1                                  14    
HELIX    5   5 ASN A  110  ASP A  121  1                                  12    
HELIX    6   6 ILE A  130  GLY A  142  1                                  13    
HELIX    7   7 SER A  145  ASN A  157  1                                  13    
HELIX    8   8 ASP A  165  ALA A  175  1                                  11    
HELIX    9   9 LEU A  204  ALA A  206  5                                   3    
HELIX   10  10 THR A  214  ALA A  220  1                                   7    
SHEET    1   A 5 ARG A  16  ASN A  21  0                                        
SHEET    2   A 5 THR A   3  THR A   9 -1  N  VAL A   8   O  ARG A  16           
SHEET    3   A 5 SER A  53  LEU A  56  1  O  LEU A  54   N  LEU A   7           
SHEET    4   A 5 VAL A  33  PHE A  35 -1  N  PHE A  34   O  TYR A  55           
SHEET    5   A 5 ALA A  38  ASP A  39 -1  O  ALA A  38   N  PHE A  35           
SHEET    1   B 2 MET A  95  OCS A  98  0                                        
SHEET    2   B 2 VAL A 101  LEU A 104 -1  O  SER A 103   N  VAL A  96           
SHEET    1   C 2 ILE A 126  PHE A 128  0                                        
SHEET    2   C 2 ALA A 177  LEU A 179 -1  O  GLU A 178   N  LYS A 127           
SHEET    1   D 4 GLY A 195  GLN A 202  0                                        
SHEET    2   D 4 ARG A 184  CYS A 191 -1  N  MET A 185   O  LEU A 201           
SHEET    3   D 4 GLU A 231  THR A 240 -1  O  THR A 240   N  ARG A 184           
SHEET    4   D 4 MET A 222  VAL A 225 -1  N  MET A 222   O  ARG A 234           
SHEET    1   E 4 GLY A 195  GLN A 202  0                                        
SHEET    2   E 4 ARG A 184  CYS A 191 -1  N  MET A 185   O  LEU A 201           
SHEET    3   E 4 GLU A 231  THR A 240 -1  O  THR A 240   N  ARG A 184           
SHEET    4   E 4 LYS A 316  SER A 318 -1  O  TYR A 317   N  HIS A 239           
SHEET    1   F 7 CYS A 208  VAL A 210  0                                        
SHEET    2   F 7 TRP A 243  THR A 256  1  O  LEU A 245   N  TYR A 209           
SHEET    3   F 7 ASP A 302  PRO A 313 -1  O  TRP A 303   N  VAL A 255           
SHEET    4   F 7 ALA A 265  GLN A 270 -1  N  ALA A 265   O  LEU A 311           
SHEET    5   F 7 HIS A 278  LYS A 285 -1  O  HIS A 278   N  GLN A 270           
SHEET    6   F 7 LEU A 288  PHE A 292 -1  O  LEU A 290   N  ARG A 283           
SHEET    7   F 7 VAL A 297  THR A 300 -1  O  SER A 298   N  LYS A 291           
LINK         C   VAL A  97                 N   OCS A  98     1555   1555  1.34  
LINK         C   OCS A  98                 N   ASP A  99     1555   1555  1.35  
LINK         C   ASN A 110                 N   CSS A 111     1555   1555  1.35  
LINK         C   CSS A 111                 N   TYR A 112     1555   1555  1.34  
LINK         SG  CYS A 191                ZN    ZN A 401     1555   1555  2.38  
LINK         SG  CYS A 194                ZN    ZN A 401     1555   1555  2.25  
LINK         SG  CYS A 226                ZN    ZN A 401     1555   1555  2.44  
LINK         SG  CYS A 228                ZN    ZN A 401     1555   1555  2.32  
SITE     1 AC1  4 CYS A 191  CYS A 194  CYS A 226  CYS A 228                    
SITE     1 AC2  8 VAL A  90  TRP A  93  MET A  95  SER A 145                    
SITE     2 AC2  8 THR A 146  ILE A 149  HOH A 547  HOH A 569                    
SITE     1 AC3  6 ASN A  59  TRP A 187  TYR A 209  ASP A 217                    
SITE     2 AC3  6 ALA A 220  ARG A 234                                          
SITE     1 AC4  6 GLN A 213  LYS A 253  VAL A 255  PHE A 263                    
SITE     2 AC4  6 VAL A 307  ASN A 322                                          
SITE     1 AC5  6 ASP A  58  ASN A  59  LEU A  60  TYR A 209                    
SITE     2 AC5  6 VAL A 210  HOH A 589                                          
CRYST1   98.899   48.780   87.464  90.00 121.52  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.010111  0.000000  0.006202        0.00000                         
SCALE2      0.000000  0.020500  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013412        0.00000