HEADER    VIRAL PROTEIN/RNA                       27-APR-08   3CZ3              
TITLE     CRYSTAL STRUCTURE OF TOMATO ASPERMY VIRUS 2B IN COMPLEX WITH SIRNA    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RNA (5'-                                                   
COMPND   3 R(P*CP*GP*UP*AP*CP*GP*CP*GP*GP*AP*AP*UP*AP*CP*UP*UP*CP*GP*A)-3');    
COMPND   4 CHAIN: E, G;                                                         
COMPND   5 FRAGMENT: PPI-1;                                                     
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: RNA (5'-                                                   
COMPND   9 R(P*UP*CP*GP*AP*AP*GP*UP*AP*UP*UP*CP*CP*GP*CP*GP*UP*AP*CP*G)-3');    
COMPND  10 CHAIN: F, H;                                                         
COMPND  11 FRAGMENT: PPI-2;                                                     
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: PROTEIN 2B;                                                
COMPND  15 CHAIN: A, B, C, D;                                                   
COMPND  16 FRAGMENT: TAV2B N69;                                                 
COMPND  17 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: TOMATO ASPERMY VIRUS;                           
SOURCE   7 ORGANISM_COMMON: TAV;                                                
SOURCE   8 ORGANISM_TAXID: 12315;                                               
SOURCE   9 GENE: RNA2;                                                          
SOURCE  10 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  11 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  12 EXPRESSION_SYSTEM_STRAIN: BL21-GOLD(DE3);                            
SOURCE  13 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    PROTEIN-DSRNA COMPLEX, COILED COIL, NUCLEUS, SUPPRESSOR OF RNA        
KEYWDS   2 SILENCING, VIRAL PROTEIN-RNA COMPLEX                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.B.MA,F.LI,S.W.DING,D.J.PATEL                                        
REVDAT   3   21-FEB-24 3CZ3    1       SEQADV                                   
REVDAT   2   25-OCT-17 3CZ3    1       REMARK                                   
REVDAT   1   05-MAY-09 3CZ3    0                                                
JRNL        AUTH   J.B.MA,F.LI,S.W.DING,D.J.PATEL                               
JRNL        TITL   STRUCTURAL BASIS FOR SIRNA RECOGNITION BY 2B, A VIRAL        
JRNL        TITL 2 SUPPRESSOR OF NON-CELL AUTONOMOUS RNA SILENCING              
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.23 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 3.23                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 65.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 7907                           
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) : 0.231                           
REMARK   3   R VALUE            (WORKING SET) : 0.226                           
REMARK   3   FREE R VALUE                     : 0.274                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 755                             
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) : 3.23                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.32                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 124                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 16.02                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4980                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 13                           
REMARK   3   BIN FREE R VALUE                    : 0.9240                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1926                                    
REMARK   3   NUCLEIC ACID ATOMS       : 1620                                    
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 106.9                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.84000                                             
REMARK   3    B22 (A**2) : 0.65000                                              
REMARK   3    B33 (A**2) : 0.19000                                              
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): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.899         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.681         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 40.541        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.952                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.928                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5566 ; 0.007 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  8205 ; 1.467 ; 2.668       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   218 ; 4.758 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   112 ;31.467 ;21.786       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   449 ;20.880 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    36 ;19.506 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1017 ; 0.120 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3004 ; 0.002 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1403 ; 0.220 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  3001 ; 0.290 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   148 ; 0.182 ; 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):    18 ; 0.210 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     1 ; 0.223 ; 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):  1158 ; 0.490 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1787 ; 0.907 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  5946 ; 0.546 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  6418 ; 1.051 ; 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: NULL                                      
REMARK   4                                                                      
REMARK   4 3CZ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAY-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000047386.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-OCT-06; 18-OCT-06               
REMARK 200  TEMPERATURE           (KELVIN) : 200; 200                           
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : APS; APS                           
REMARK 200  BEAMLINE                       : 24-ID-C; 24-ID-C                   
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97907, 0.97927, 0.96411;         
REMARK 200                                   0.97918                            
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315; ADSC QUANTUM     
REMARK 200                                   315                                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10597                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.9                               
REMARK 200  DATA REDUNDANCY                : 5.900                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : 0.09000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.31                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 69.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.57400                            
REMARK 200  R SYM FOR SHELL            (I) : 0.57400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH                         
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SHELX, DM, SHELXD                                     
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.94                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 4000, 0.2 M AMMONIUM SULFATE,    
REMARK 280  0.1 M SODIUM ACETATE, PH 5.0, VAPOR DIFFUSION, TEMPERATURE 293K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
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       60.45000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       82.83500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       60.45000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       82.83500            
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: OCTAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 18170 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 24450 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -108.8 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, H, A, B, 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 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     SER A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     ALA A    59                                                      
REMARK 465     ILE A    60                                                      
REMARK 465     ASN A    61                                                      
REMARK 465     SER A    62                                                      
REMARK 465     ASP A    63                                                      
REMARK 465     ASN A    64                                                      
REMARK 465     SER A    65                                                      
REMARK 465     SER A    66                                                      
REMARK 465     ASP A    67                                                      
REMARK 465     GLU A    68                                                      
REMARK 465     GLY A    69                                                      
REMARK 465     SER B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     ALA B    59                                                      
REMARK 465     ILE B    60                                                      
REMARK 465     ASN B    61                                                      
REMARK 465     SER B    62                                                      
REMARK 465     ASP B    63                                                      
REMARK 465     ASN B    64                                                      
REMARK 465     SER B    65                                                      
REMARK 465     SER B    66                                                      
REMARK 465     ASP B    67                                                      
REMARK 465     GLU B    68                                                      
REMARK 465     GLY B    69                                                      
REMARK 465     SER C     0                                                      
REMARK 465     MET C     1                                                      
REMARK 465     ALA C     2                                                      
REMARK 465     SER C     3                                                      
REMARK 465     ILE C     4                                                      
REMARK 465     ALA C    59                                                      
REMARK 465     ILE C    60                                                      
REMARK 465     ASN C    61                                                      
REMARK 465     SER C    62                                                      
REMARK 465     ASP C    63                                                      
REMARK 465     ASN C    64                                                      
REMARK 465     SER C    65                                                      
REMARK 465     SER C    66                                                      
REMARK 465     ASP C    67                                                      
REMARK 465     GLU C    68                                                      
REMARK 465     GLY C    69                                                      
REMARK 465     SER D     0                                                      
REMARK 465     MET D     1                                                      
REMARK 465     ALA D     2                                                      
REMARK 465     ALA D    59                                                      
REMARK 465     ILE D    60                                                      
REMARK 465     ASN D    61                                                      
REMARK 465     SER D    62                                                      
REMARK 465     ASP D    63                                                      
REMARK 465     ASN D    64                                                      
REMARK 465     SER D    65                                                      
REMARK 465     SER D    66                                                      
REMARK 465     ASP D    67                                                      
REMARK 465     GLU D    68                                                      
REMARK 465     GLY D    69                                                      
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   OP2    U G    15     OG   SER D    40              2.09            
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      C E   1   P       C E   1   OP3    -0.127                       
REMARK 500      C E   1   P       C E   1   OP3    -0.129                       
REMARK 500      U F   1   P       U F   1   OP3    -0.121                       
REMARK 500      U F   1   P       U F   1   OP3    -0.125                       
REMARK 500      C G   1   P       C G   1   OP3    -0.132                       
REMARK 500      C G   1   P       C G   1   OP3    -0.094                       
REMARK 500      U H   1   P       U H   1   OP3    -0.125                       
REMARK 500      U H   1   P       U H   1   OP3    -0.129                       
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      C E   1   OP1 -  P   -  OP2 ANGL. DEV. = -12.2 DEGREES          
REMARK 500      C E   1   OP1 -  P   -  OP2 ANGL. DEV. = -12.0 DEGREES          
REMARK 500      G E   6   O3' -  P   -  O5' ANGL. DEV. = -20.7 DEGREES          
REMARK 500      G E   6   O3' -  P   -  O5' ANGL. DEV. = -20.4 DEGREES          
REMARK 500      G E   6   O3' -  P   -  OP2 ANGL. DEV. = -18.0 DEGREES          
REMARK 500      G E   6   O3' -  P   -  OP2 ANGL. DEV. = -20.5 DEGREES          
REMARK 500      G E   6   O3' -  P   -  OP1 ANGL. DEV. = -18.9 DEGREES          
REMARK 500      G E   6   O3' -  P   -  OP1 ANGL. DEV. = -18.5 DEGREES          
REMARK 500      U F   1   OP1 -  P   -  OP2 ANGL. DEV. = -34.1 DEGREES          
REMARK 500      U F   1   OP1 -  P   -  OP2 ANGL. DEV. = -11.2 DEGREES          
REMARK 500      U F   1   O5' -  P   -  OP2 ANGL. DEV. = -13.4 DEGREES          
REMARK 500      U F   1   O4' -  C1' -  N1  ANGL. DEV. =   4.2 DEGREES          
REMARK 500      C G   1   OP1 -  P   -  OP2 ANGL. DEV. = -11.7 DEGREES          
REMARK 500      C G   1   OP1 -  P   -  OP2 ANGL. DEV. = -35.3 DEGREES          
REMARK 500      C G   1   O5' -  P   -  OP2 ANGL. DEV. = -15.5 DEGREES          
REMARK 500      C G  17   C3' -  C2' -  C1' ANGL. DEV. =  -4.8 DEGREES          
REMARK 500      U H   1   OP1 -  P   -  OP2 ANGL. DEV. = -11.3 DEGREES          
REMARK 500      U H   1   OP1 -  P   -  OP2 ANGL. DEV. = -12.4 DEGREES          
REMARK 500      U H  10   O4' -  C1' -  N1  ANGL. DEV. =   4.5 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  17      -70.20    -46.88                                   
REMARK 500    ARG A  45      -73.63    -50.22                                   
REMARK 500    ARG A  46      -48.24    -29.19                                   
REMARK 500    GLU B  56       -3.56    -58.59                                   
REMARK 500    HIS C   9      -31.38    -39.51                                   
REMARK 500    ILE C  12      -73.53    -44.28                                   
REMARK 500    ARG C  46      -15.14    -48.18                                   
REMARK 500    SER C  47      -60.84    -96.80                                   
REMARK 500    VAL C  55        7.43    -69.43                                   
REMARK 500    GLU D  56        4.54    -59.10                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3CZ3 A    1    69  UNP    Q8UYT3   ORF2B_TAV        1     69             
DBREF  3CZ3 B    1    69  UNP    Q8UYT3   ORF2B_TAV        1     69             
DBREF  3CZ3 C    1    69  UNP    Q8UYT3   ORF2B_TAV        1     69             
DBREF  3CZ3 D    1    69  UNP    Q8UYT3   ORF2B_TAV        1     69             
DBREF  3CZ3 E    1    19  PDB    3CZ3     3CZ3             1     19             
DBREF  3CZ3 G    1    19  PDB    3CZ3     3CZ3             1     19             
DBREF  3CZ3 F    1    19  PDB    3CZ3     3CZ3             1     19             
DBREF  3CZ3 H    1    19  PDB    3CZ3     3CZ3             1     19             
SEQADV 3CZ3 SER A    0  UNP  Q8UYT3              EXPRESSION TAG                 
SEQADV 3CZ3 SER B    0  UNP  Q8UYT3              EXPRESSION TAG                 
SEQADV 3CZ3 SER C    0  UNP  Q8UYT3              EXPRESSION TAG                 
SEQADV 3CZ3 SER D    0  UNP  Q8UYT3              EXPRESSION TAG                 
SEQRES   1 E   19    C   G   U   A   C   G   C   G   G   A   A   U   A          
SEQRES   2 E   19    C   U   U   C   G   A                                      
SEQRES   1 F   19    U   C   G   A   A   G   U   A   U   U   C   C   G          
SEQRES   2 F   19    C   G   U   A   C   G                                      
SEQRES   1 G   19    C   G   U   A   C   G   C   G   G   A   A   U   A          
SEQRES   2 G   19    C   U   U   C   G   A                                      
SEQRES   1 H   19    U   C   G   A   A   G   U   A   U   U   C   C   G          
SEQRES   2 H   19    C   G   U   A   C   G                                      
SEQRES   1 A   70  SER MET ALA SER ILE GLU ILE PRO LEU HIS GLU ILE ILE          
SEQRES   2 A   70  ARG LYS LEU GLU ARG MET ASN GLN LYS LYS GLN ALA GLN          
SEQRES   3 A   70  ARG LYS ARG HIS LYS LEU ASN ARG LYS GLU ARG GLY HIS          
SEQRES   4 A   70  LYS SER PRO SER GLU GLN ARG ARG SER GLU LEU TRP HIS          
SEQRES   5 A   70  ALA ARG GLN VAL GLU LEU SER ALA ILE ASN SER ASP ASN          
SEQRES   6 A   70  SER SER ASP GLU GLY                                          
SEQRES   1 B   70  SER MET ALA SER ILE GLU ILE PRO LEU HIS GLU ILE ILE          
SEQRES   2 B   70  ARG LYS LEU GLU ARG MET ASN GLN LYS LYS GLN ALA GLN          
SEQRES   3 B   70  ARG LYS ARG HIS LYS LEU ASN ARG LYS GLU ARG GLY HIS          
SEQRES   4 B   70  LYS SER PRO SER GLU GLN ARG ARG SER GLU LEU TRP HIS          
SEQRES   5 B   70  ALA ARG GLN VAL GLU LEU SER ALA ILE ASN SER ASP ASN          
SEQRES   6 B   70  SER SER ASP GLU GLY                                          
SEQRES   1 C   70  SER MET ALA SER ILE GLU ILE PRO LEU HIS GLU ILE ILE          
SEQRES   2 C   70  ARG LYS LEU GLU ARG MET ASN GLN LYS LYS GLN ALA GLN          
SEQRES   3 C   70  ARG LYS ARG HIS LYS LEU ASN ARG LYS GLU ARG GLY HIS          
SEQRES   4 C   70  LYS SER PRO SER GLU GLN ARG ARG SER GLU LEU TRP HIS          
SEQRES   5 C   70  ALA ARG GLN VAL GLU LEU SER ALA ILE ASN SER ASP ASN          
SEQRES   6 C   70  SER SER ASP GLU GLY                                          
SEQRES   1 D   70  SER MET ALA SER ILE GLU ILE PRO LEU HIS GLU ILE ILE          
SEQRES   2 D   70  ARG LYS LEU GLU ARG MET ASN GLN LYS LYS GLN ALA GLN          
SEQRES   3 D   70  ARG LYS ARG HIS LYS LEU ASN ARG LYS GLU ARG GLY HIS          
SEQRES   4 D   70  LYS SER PRO SER GLU GLN ARG ARG SER GLU LEU TRP HIS          
SEQRES   5 D   70  ALA ARG GLN VAL GLU LEU SER ALA ILE ASN SER ASP ASN          
SEQRES   6 D   70  SER SER ASP GLU GLY                                          
HELIX    1   1 PRO A    7  GLY A   37  1                                  31    
HELIX    2   2 SER A   40  SER A   58  1                                  19    
HELIX    3   3 PRO B    7  GLY B   37  1                                  31    
HELIX    4   4 SER B   40  GLU B   56  1                                  17    
HELIX    5   5 PRO C    7  GLY C   37  1                                  31    
HELIX    6   6 SER C   40  VAL C   55  1                                  16    
HELIX    7   7 PRO D    7  GLY D   37  1                                  31    
HELIX    8   8 SER D   40  GLU D   56  1                                  17    
CRYST1  120.900  165.670   35.590  90.00  90.00  90.00 P 21 21 2    16          
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      0.008271  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006036  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.028098        0.00000