HEADER    HYDROLASE                               17-NOV-08   3FAN              
TITLE     CRYSTAL STRUCTURE OF CHYMOTRYPSIN-LIKE PROTEASE/PROTEINASE            
TITLE    2 (3CLSP/NSP4) OF PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME VIRUS  
TITLE    3 (PRRSV)                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NON-STRUCTURAL PROTEIN;                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNIPROT RESIDUES 1780-1983;                                
COMPND   5 SYNONYM: PROTEINASE, 3C LIKE SERINE PROTEASE;                        
COMPND   6 EC: 3.4.21.114;                                                      
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PORCINE RESPIRATORY AND REPRODUCTIVE SYNDROME   
SOURCE   3 VIRUS;                                                               
SOURCE   4 ORGANISM_COMMON: PRRSV;                                              
SOURCE   5 ORGANISM_TAXID: 28344;                                               
SOURCE   6 STRAIN: JXA1;                                                        
SOURCE   7 GENE: NSP4, ORF1A;                                                   
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  12 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-1                                 
KEYWDS    CHYMOTRYPSIN-LIKE, N-TERMINAL BETA-BARRELS, C-TERMINAL ALPHA-BETA     
KEYWDS   2 EXTRA DOMAIN, CANONICAL CATALYTIC TRIAD, HYDROLASE                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.GAO,H.PENG,X.TIAN,G.LU,Y.LIU,G.F.GAO                                
REVDAT   3   27-DEC-23 3FAN    1       REMARK SEQADV                            
REVDAT   2   20-OCT-09 3FAN    1       JRNL                                     
REVDAT   1   08-SEP-09 3FAN    0                                                
JRNL        AUTH   X.TIAN,G.LU,F.GAO,H.PENG,Y.FENG,G.MA,M.BARTLAM,K.TIAN,J.YAN, 
JRNL        AUTH 2 R.HILGENFELD,G.F.GAO                                         
JRNL        TITL   STRUCTURE AND CLEAVAGE SPECIFICITY OF THE CHYMOTRYPSIN-LIKE  
JRNL        TITL 2 SERINE PROTEASE (3CLSP/NSP4) OF PORCINE REPRODUCTIVE AND     
JRNL        TITL 3 RESPIRATORY SYNDROME VIRUS (PRRSV).                          
JRNL        REF    J.MOL.BIOL.                   V. 392   977 2009              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   19646449                                                     
JRNL        DOI    10.1016/J.JMB.2009.07.062                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.91                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 15507                          
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) : 0.196                           
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.246                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 830                             
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1089                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 90.22                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2300                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 55                           
REMARK   3   BIN FREE R VALUE                    : 0.3120                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1393                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 5                                       
REMARK   3   SOLVENT ATOMS            : 208                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.14                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.01000                                              
REMARK   3    B33 (A**2) : -0.01000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.161         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.156         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.110         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.671         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.942                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.905                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1427 ; 0.017 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1936 ; 1.572 ; 1.950       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   190 ; 6.753 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    52 ;36.098 ;24.808       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   215 ;14.880 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     4 ;14.365 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   218 ; 0.107 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1076 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   647 ; 0.223 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   969 ; 0.307 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   164 ; 0.158 ; 0.200       
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):    67 ; 0.228 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    19 ; 0.146 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   970 ; 1.121 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1506 ; 1.769 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   524 ; 2.494 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   430 ; 3.989 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3FAN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-NOV-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000050355.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418, 0.9793, 0.9000             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17461                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : 4.500                              
REMARK 200  R MERGE                    (I) : 0.04500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.98                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.16700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM CITRATE PH 5.3, 0.7M         
REMARK 280  AMMONIUM PHOSPHATE MONOBASIC, VAPOR DIFFUSION, HANGING DROP,        
REMARK 280  TEMPERATURE 291K                                                    
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       56.17900            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.58100            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       56.17900            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       24.58100            
REMARK 290   SMTRY3   4  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: MONOMERIC                         
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2320 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16450 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 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       14.85084            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -40.25498            
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    -8                                                      
REMARK 465     PRO A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     GLY A    -5                                                      
REMARK 465     SER A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     GLU A    -2                                                      
REMARK 465     PHE A    -1                                                      
REMARK 465     PRO A     0                                                      
REMARK 465     GLY A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     SER A   136                                                      
REMARK 465     ASN A   137                                                      
REMARK 465     LYS A   138                                                      
REMARK 465     GLN A   139                                                      
REMARK 465     GLY A   140                                                      
REMARK 465     LYS A   200                                                      
REMARK 465     PRO A   201                                                      
REMARK 465     GLU A   202                                                      
REMARK 465     LEU A   203                                                      
REMARK 465     GLU A   204                                                      
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 A  54      101.59   -165.56                                   
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 PO4 A 205                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1MBM   RELATED DB: PDB                                   
REMARK 900 NSP4 PROTEASE FROM EAV                                               
REMARK 900 RELATED ID: 3FAO   RELATED DB: PDB                                   
DBREF  3FAN A    1   204  UNP    A1E8J1   A1E8J1_PRRSV  1780   1983             
SEQADV 3FAN GLY A   -8  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN PRO A   -7  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN LEU A   -6  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN GLY A   -5  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN SER A   -4  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN PRO A   -3  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN GLU A   -2  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN PHE A   -1  UNP  A1E8J1              EXPRESSION TAG                 
SEQADV 3FAN PRO A    0  UNP  A1E8J1              EXPRESSION TAG                 
SEQRES   1 A  213  GLY PRO LEU GLY SER PRO GLU PHE PRO GLY ALA PHE ARG          
SEQRES   2 A  213  THR GLN LYS PRO SER LEU ASN THR VAL ASN VAL VAL GLY          
SEQRES   3 A  213  SER SER MET GLY SER GLY GLY VAL PHE THR ILE ASP GLY          
SEQRES   4 A  213  LYS ILE LYS CYS VAL THR ALA ALA HIS VAL LEU THR GLY          
SEQRES   5 A  213  ASN SER ALA ARG VAL SER GLY VAL GLY PHE ASN GLN MET          
SEQRES   6 A  213  LEU ASP PHE ASP VAL LYS GLY ASP PHE ALA ILE ALA ASP          
SEQRES   7 A  213  CYS PRO ASN TRP GLN GLY VAL ALA PRO LYS ALA GLN PHE          
SEQRES   8 A  213  CYS GLU ASP GLY TRP THR GLY ARG ALA TYR TRP LEU THR          
SEQRES   9 A  213  SER SER GLY VAL GLU PRO GLY VAL ILE GLY ASN GLY PHE          
SEQRES  10 A  213  ALA PHE CYS PHE THR ALA CYS GLY ASP SER GLY SER PRO          
SEQRES  11 A  213  VAL ILE THR GLU ALA GLY GLU LEU VAL GLY VAL HIS THR          
SEQRES  12 A  213  GLY SER ASN LYS GLN GLY GLY GLY ILE VAL THR ARG PRO          
SEQRES  13 A  213  SER GLY GLN PHE CYS ASN VAL LYS PRO ILE LYS LEU SER          
SEQRES  14 A  213  GLU LEU SER GLU PHE PHE ALA GLY PRO LYS VAL PRO LEU          
SEQRES  15 A  213  GLY ASP VAL LYS ILE GLY SER HIS ILE ILE LYS ASP THR          
SEQRES  16 A  213  CYS GLU VAL PRO SER ASP LEU CYS ALA LEU LEU ALA ALA          
SEQRES  17 A  213  LYS PRO GLU LEU GLU                                          
HET    PO4  A 205       5                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   2  PO4    O4 P 3-                                                      
FORMUL   3  HOH   *208(H2 O)                                                    
HELIX    1   1 HIS A   39  LEU A   41  5                                   3    
HELIX    2   2 LEU A  159  GLU A  164  1                                   6    
HELIX    3   3 SER A  191  ALA A  199  1                                   9    
SHEET    1   A 7 PHE A  53  ASP A  58  0                                        
SHEET    2   A 7 SER A  45  GLY A  50 -1  N  VAL A  48   O  GLN A  55           
SHEET    3   A 7 THR A  12  VAL A  16 -1  N  ASN A  14   O  SER A  49           
SHEET    4   A 7 MET A  20  ILE A  28 -1  O  GLY A  21   N  VAL A  15           
SHEET    5   A 7 LYS A  31  ALA A  37 -1  O  LYS A  33   N  PHE A  26           
SHEET    6   A 7 PHE A  65  ASP A  69 -1  O  ALA A  68   N  CYS A  34           
SHEET    7   A 7 ASP A  60  LYS A  62 -1  N  ASP A  60   O  ILE A  67           
SHEET    1   B 7 PHE A 108  CYS A 111  0                                        
SHEET    2   B 7 GLY A  98  GLY A 105 -1  N  VAL A 103   O  PHE A 110           
SHEET    3   B 7 GLY A  89  THR A  95 -1  N  GLY A  89   O  ILE A 104           
SHEET    4   B 7 PRO A 121  THR A 124 -1  O  ILE A 123   N  TYR A  92           
SHEET    5   B 7 LEU A 129  THR A 134 -1  O  VAL A 130   N  VAL A 122           
SHEET    6   B 7 ILE A 143  THR A 145 -1  O  THR A 145   N  VAL A 132           
SHEET    7   B 7 PHE A 151  ASN A 153 -1  O  CYS A 152   N  VAL A 144           
SHEET    1   C 2 ILE A 157  LYS A 158  0                                        
SHEET    2   C 2 ILE A 182  ILE A 183  1  O  ILE A 183   N  ILE A 157           
SHEET    1   D 2 LYS A 170  PRO A 172  0                                        
SHEET    2   D 2 GLU A 188  PRO A 190 -1  O  VAL A 189   N  VAL A 171           
SITE     1 AC1  8 SER A  19  MET A  20  ASP A  29  LYS A  31                    
SITE     2 AC1  8 HIS A  39  SER A 118  HOH A 318  HOH A 345                    
CRYST1  112.358   49.162   42.907  90.00 110.25  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      0.008900  0.000000  0.003283        0.00000                         
SCALE2      0.000000  0.020341  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.024841        0.00000