HEADER    SIGNALING PROTEIN                       08-JUN-05   1ZXT              
TITLE     CRYSTAL STRUCTURE OF A VIRAL CHEMOKINE                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FUNCTIONAL MACROPHAGE INFLAMMATORY PROTEIN 1-ALPHA HOMOLOG;
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: ORF K6, VMIP-I;                                             
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN HERPESVIRUS 8;                            
SOURCE   3 ORGANISM_TAXID: 37296;                                               
SOURCE   4 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   5 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   7 EXPRESSION_SYSTEM_CELL_LINE: SF9;                                    
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: PBLUEBAC2                                  
KEYWDS    CHEMOKINE FOLD, GREEK KEY MOTIF, SIGNALING PROTEIN                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.G.LUZ,M.YU,Y.SU,Z.WU,Z.ZHOU,R.SUN,I.A.WILSON                        
REVDAT   6   13-NOV-24 1ZXT    1       REMARK                                   
REVDAT   5   23-AUG-23 1ZXT    1       SEQADV                                   
REVDAT   4   13-JUL-11 1ZXT    1       VERSN                                    
REVDAT   3   16-MAR-10 1ZXT    1       JRNL                                     
REVDAT   2   24-FEB-09 1ZXT    1       VERSN                                    
REVDAT   1   30-AUG-05 1ZXT    0                                                
JRNL        AUTH   J.G.LUZ,M.YU,Y.SU,Z.WU,Z.ZHOU,R.SUN,I.A.WILSON               
JRNL        TITL   CRYSTAL STRUCTURE OF VIRAL MACROPHAGE INFLAMMATORY PROTEIN I 
JRNL        TITL 2 ENCODED BY KAPOSI'S SARCOMA-ASSOCIATED HERPESVIRUS AT 1.7A.  
JRNL        REF    J.MOL.BIOL.                   V. 352  1019 2005              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16140327                                                     
JRNL        DOI    10.1016/J.JMB.2005.08.011                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.9999                                      
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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 26039                          
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) : 0.194                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.236                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2914                            
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) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1660                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2560                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 176                          
REMARK   3   BIN FREE R VALUE                    : 0.3180                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2204                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 229                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.97                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.02000                                              
REMARK   3    B22 (A**2) : -0.22000                                             
REMARK   3    B33 (A**2) : 0.21000                                              
REMARK   3    B12 (A**2) : 0.01000                                              
REMARK   3    B13 (A**2) : 0.13000                                              
REMARK   3    B23 (A**2) : -0.06000                                             
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): 0.131         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.958                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.936                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2296 ; 0.024 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  2048 ; 0.005 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3148 ; 1.957 ; 1.938       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  4816 ; 0.987 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   272 ; 7.097 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    92 ;36.085 ;22.609       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   360 ;15.349 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    16 ;17.444 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   328 ; 0.134 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2476 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   428 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   414 ; 0.219 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2022 ; 0.208 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1281 ; 0.095 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   154 ; 0.197 ; 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):    11 ; 0.110 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    77 ; 0.274 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    12 ; 0.166 ; 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):  1734 ; 2.389 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   532 ; 0.477 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2316 ; 2.501 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1053 ; 4.226 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   832 ; 5.212 ; 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  : 4                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     5        A    73                          
REMARK   3    ORIGIN FOR THE GROUP (A): -13.2750   8.0320  75.9030              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0832 T22:  -0.0714                                     
REMARK   3      T33:  -0.2324 T12:  -0.0018                                     
REMARK   3      T13:  -0.0565 T23:   0.0106                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9641 L22:   4.8461                                     
REMARK   3      L33:   5.1584 L12:   1.2034                                     
REMARK   3      L13:  -0.0187 L23:  -0.5715                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1337 S12:  -0.1164 S13:  -0.0273                       
REMARK   3      S21:   0.5719 S22:  -0.1084 S23:   0.0147                       
REMARK   3      S31:   0.0729 S32:  -0.0801 S33:  -0.0252                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     5        B    73                          
REMARK   3    ORIGIN FOR THE GROUP (A):   0.2090   5.9250  54.8100              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2186 T22:  -0.0903                                     
REMARK   3      T33:  -0.1915 T12:   0.0217                                     
REMARK   3      T13:  -0.0392 T23:  -0.0030                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.1085 L22:   4.0601                                     
REMARK   3      L33:   1.9792 L12:   0.9699                                     
REMARK   3      L13:  -1.4334 L23:  -0.2056                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1325 S12:   0.2492 S13:  -0.3047                       
REMARK   3      S21:  -0.0788 S22:   0.0507 S23:  -0.1935                       
REMARK   3      S31:   0.1284 S32:  -0.0937 S33:   0.0818                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   C     5        C    73                          
REMARK   3    ORIGIN FOR THE GROUP (A):  15.0850  23.8590  53.1550              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2301 T22:  -0.1064                                     
REMARK   3      T33:  -0.1765 T12:   0.0089                                     
REMARK   3      T13:  -0.0392 T23:   0.0278                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.2307 L22:   5.1103                                     
REMARK   3      L33:   1.8464 L12:  -0.5644                                     
REMARK   3      L13:  -0.4970 L23:  -0.1056                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0868 S12:   0.0729 S13:   0.0930                       
REMARK   3      S21:   0.0445 S22:   0.0453 S23:   0.2267                       
REMARK   3      S31:  -0.0656 S32:   0.0204 S33:   0.0416                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D     5        D    73                          
REMARK   3    ORIGIN FOR THE GROUP (A):  28.0530  21.1850  31.6330              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0170 T22:  -0.0128                                     
REMARK   3      T33:  -0.2130 T12:  -0.0409                                     
REMARK   3      T13:  -0.0412 T23:   0.0356                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0439 L22:   6.6557                                     
REMARK   3      L33:   8.6320 L12:   0.8120                                     
REMARK   3      L13:   0.8371 L23:   4.7480                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1525 S12:   0.0190 S13:  -0.1007                       
REMARK   3      S21:  -0.4151 S22:   0.2084 S23:  -0.1268                       
REMARK   3      S31:  -0.3583 S32:   0.3466 S33:  -0.0559                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH 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. CNS IS ALSO USED FOR REFINEMENT.                         
REMARK   4                                                                      
REMARK   4 1ZXT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUN-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033244.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28953                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.65000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1CM9                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1:1 10MG/ML PROTEIN: MOTHER LIQUOR       
REMARK 280  (1.2M NACL,0.1M NAOAC PH5.5, 22OC), VAPOR DIFFUSION, SITTING        
REMARK 280  DROPS                                                               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
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: 4                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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     GLY A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     LEU A     4                                                      
REMARK 465     HIS A    74                                                      
REMARK 465     HIS A    75                                                      
REMARK 465     HIS A    76                                                      
REMARK 465     HIS A    77                                                      
REMARK 465     GLY B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     LEU B     4                                                      
REMARK 465     HIS B    74                                                      
REMARK 465     HIS B    75                                                      
REMARK 465     HIS B    76                                                      
REMARK 465     HIS B    77                                                      
REMARK 465     GLY C     2                                                      
REMARK 465     SER C     3                                                      
REMARK 465     LEU C     4                                                      
REMARK 465     HIS C    74                                                      
REMARK 465     HIS C    75                                                      
REMARK 465     HIS C    76                                                      
REMARK 465     HIS C    77                                                      
REMARK 465     GLY D     2                                                      
REMARK 465     SER D     3                                                      
REMARK 465     LEU D     4                                                      
REMARK 465     HIS D    74                                                      
REMARK 465     HIS D    75                                                      
REMARK 465     HIS D    76                                                      
REMARK 465     HIS D    77                                                      
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   OH   TYR C    14     OH   TYR D    14              2.19            
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    GLU A  28   CD    GLU A  28   OE1    -0.077                       
REMARK 500    ARG C  47   NE    ARG C  47   CZ     -0.079                       
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  49   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ASP C  54   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 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    TYR B   7       37.80    -89.69                                   
REMARK 500    SER C   6     -103.70    -17.06                                   
REMARK 500    TYR C   7      172.82     54.23                                   
REMARK 500    SER D   6     -175.79    -60.12                                   
REMARK 500    TYR D   7     -115.66   -133.62                                   
REMARK 500    TYR D  14       69.11   -105.43                                   
REMARK 500    HIS D  72      110.81    -27.83                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1ZXT A    2    71  UNP    Q98158   Q98158_HHV8     26     95             
DBREF  1ZXT B    2    71  UNP    Q98158   Q98158_HHV8     26     95             
DBREF  1ZXT C    2    71  UNP    Q98158   Q98158_HHV8     26     95             
DBREF  1ZXT D    2    71  UNP    Q98158   Q98158_HHV8     26     95             
SEQADV 1ZXT HIS A   72  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS A   73  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS A   74  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS A   75  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS A   76  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS A   77  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS B   72  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS B   73  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS B   74  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS B   75  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS B   76  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS B   77  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS C   72  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS C   73  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS C   74  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS C   75  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS C   76  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS C   77  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS D   72  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS D   73  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS D   74  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS D   75  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS D   76  UNP  Q98158              EXPRESSION TAG                 
SEQADV 1ZXT HIS D   77  UNP  Q98158              EXPRESSION TAG                 
SEQRES   1 A   76  GLY SER LEU VAL SER TYR THR PRO ASN SER CYS CYS TYR          
SEQRES   2 A   76  GLY PHE GLN GLN HIS PRO PRO PRO VAL GLN ILE LEU LYS          
SEQRES   3 A   76  GLU TRP TYR PRO THR SER PRO ALA CYS PRO LYS PRO GLY          
SEQRES   4 A   76  VAL ILE LEU LEU THR LYS ARG GLY ARG GLN ILE CYS ALA          
SEQRES   5 A   76  ASP PRO SER LYS ASN TRP VAL ARG GLN LEU MET GLN ARG          
SEQRES   6 A   76  LEU PRO ALA ILE ALA HIS HIS HIS HIS HIS HIS                  
SEQRES   1 B   76  GLY SER LEU VAL SER TYR THR PRO ASN SER CYS CYS TYR          
SEQRES   2 B   76  GLY PHE GLN GLN HIS PRO PRO PRO VAL GLN ILE LEU LYS          
SEQRES   3 B   76  GLU TRP TYR PRO THR SER PRO ALA CYS PRO LYS PRO GLY          
SEQRES   4 B   76  VAL ILE LEU LEU THR LYS ARG GLY ARG GLN ILE CYS ALA          
SEQRES   5 B   76  ASP PRO SER LYS ASN TRP VAL ARG GLN LEU MET GLN ARG          
SEQRES   6 B   76  LEU PRO ALA ILE ALA HIS HIS HIS HIS HIS HIS                  
SEQRES   1 C   76  GLY SER LEU VAL SER TYR THR PRO ASN SER CYS CYS TYR          
SEQRES   2 C   76  GLY PHE GLN GLN HIS PRO PRO PRO VAL GLN ILE LEU LYS          
SEQRES   3 C   76  GLU TRP TYR PRO THR SER PRO ALA CYS PRO LYS PRO GLY          
SEQRES   4 C   76  VAL ILE LEU LEU THR LYS ARG GLY ARG GLN ILE CYS ALA          
SEQRES   5 C   76  ASP PRO SER LYS ASN TRP VAL ARG GLN LEU MET GLN ARG          
SEQRES   6 C   76  LEU PRO ALA ILE ALA HIS HIS HIS HIS HIS HIS                  
SEQRES   1 D   76  GLY SER LEU VAL SER TYR THR PRO ASN SER CYS CYS TYR          
SEQRES   2 D   76  GLY PHE GLN GLN HIS PRO PRO PRO VAL GLN ILE LEU LYS          
SEQRES   3 D   76  GLU TRP TYR PRO THR SER PRO ALA CYS PRO LYS PRO GLY          
SEQRES   4 D   76  VAL ILE LEU LEU THR LYS ARG GLY ARG GLN ILE CYS ALA          
SEQRES   5 D   76  ASP PRO SER LYS ASN TRP VAL ARG GLN LEU MET GLN ARG          
SEQRES   6 D   76  LEU PRO ALA ILE ALA HIS HIS HIS HIS HIS HIS                  
FORMUL   5  HOH   *229(H2 O)                                                    
HELIX    1   1 PRO A   22  GLN A   24  5                                   3    
HELIX    2   2 LYS A   57  ARG A   66  1                                  10    
HELIX    3   3 PRO B   22  GLN B   24  5                                   3    
HELIX    4   4 LYS B   57  LEU B   67  1                                  11    
HELIX    5   5 PRO C   22  GLN C   24  5                                   3    
HELIX    6   6 LYS C   57  ARG C   66  1                                  10    
HELIX    7   7 PRO D   22  GLN D   24  5                                   3    
HELIX    8   8 LYS D   57  ARG D   66  1                                  10    
SHEET    1   A 2 ASN A  10  CYS A  12  0                                        
SHEET    2   A 2 ASN B  10  CYS B  12 -1  O  CYS B  12   N  ASN A  10           
SHEET    1   B 3 LEU A  26  PRO A  31  0                                        
SHEET    2   B 3 VAL A  41  THR A  45 -1  O  ILE A  42   N  TYR A  30           
SHEET    3   B 3 GLN A  50  ALA A  53 -1  O  ALA A  53   N  VAL A  41           
SHEET    1   C 3 LEU B  26  PRO B  31  0                                        
SHEET    2   C 3 VAL B  41  THR B  45 -1  O  ILE B  42   N  TYR B  30           
SHEET    3   C 3 GLN B  50  ALA B  53 -1  O  ILE B  51   N  LEU B  43           
SHEET    1   D 2 ASN C  10  CYS C  12  0                                        
SHEET    2   D 2 ASN D  10  CYS D  12 -1  O  ASN D  10   N  CYS C  12           
SHEET    1   E 3 LEU C  26  PRO C  31  0                                        
SHEET    2   E 3 VAL C  41  THR C  45 -1  O  LEU C  44   N  LYS C  27           
SHEET    3   E 3 GLN C  50  ALA C  53 -1  O  ALA C  53   N  VAL C  41           
SHEET    1   F 3 LEU D  26  PRO D  31  0                                        
SHEET    2   F 3 VAL D  41  THR D  45 -1  O  ILE D  42   N  TYR D  30           
SHEET    3   F 3 GLN D  50  ALA D  53 -1  O  ILE D  51   N  LEU D  43           
SSBOND   1 CYS A   12    CYS A   36                          1555   1555  2.03  
SSBOND   2 CYS A   13    CYS A   52                          1555   1555  2.08  
SSBOND   3 CYS B   12    CYS B   36                          1555   1555  2.06  
SSBOND   4 CYS B   13    CYS B   52                          1555   1555  2.04  
SSBOND   5 CYS C   12    CYS C   36                          1555   1555  2.01  
SSBOND   6 CYS C   13    CYS C   52                          1555   1555  2.03  
SSBOND   7 CYS D   12    CYS D   36                          1555   1555  2.02  
SSBOND   8 CYS D   13    CYS D   52                          1555   1555  2.06  
CRYST1   34.452   40.636   55.092  83.54  89.68  79.19 P 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      0.029026 -0.005542  0.000470        0.00000                         
SCALE2      0.000000  0.025053 -0.002861        0.00000                         
SCALE3      0.000000  0.000000  0.018270        0.00000