HEADER    VIRAL PROTEIN                           03-DEC-21   7T27              
TITLE     STRUCTURE OF PHAGE FBB1 ANTI-CBASS NUCLEASE ACB1-3'3'-CGAMP COMPLEX IN
TITLE    2 POST REACTION STATE                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACB1;                                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ERWINIA PHAGE FBB1;                             
SOURCE   3 ORGANISM_TAXID: 2776772;                                             
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ANTI-CBASS, NUCLEASE, IMMUNE EVASION, VIRAL PROTEIN                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.HOBBS,T.WEIN,A.LU,B.R.MOREHOUSE,J.SCHNABEL,R.SOREK,P.J.KRANZUSCH  
REVDAT   3   28-FEB-24 7T27    1       REMARK                                   
REVDAT   2   01-JUN-22 7T27    1       JRNL                                     
REVDAT   1   20-APR-22 7T27    0                                                
JRNL        AUTH   S.J.HOBBS,T.WEIN,A.LU,B.R.MOREHOUSE,J.SCHNABEL,A.LEAVITT,    
JRNL        AUTH 2 E.YIRMIYA,R.SOREK,P.J.KRANZUSCH                              
JRNL        TITL   PHAGE ANTI-CBASS AND ANTI-PYCSAR NUCLEASES SUBVERT BACTERIAL 
JRNL        TITL 2 IMMUNITY.                                                    
JRNL        REF    NATURE                        V. 605   522 2022              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   35395152                                                     
JRNL        DOI    10.1038/S41586-022-04716-Y                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.19.2_4158                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 42.17                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 47729                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.177                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.197                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.190                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2000                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 42.1700 -  2.8900    1.00     3619   159  0.1701 0.1730        
REMARK   3     2  2.8900 -  2.3000    1.00     3387   147  0.1632 0.2072        
REMARK   3     3  2.3000 -  2.0100    1.00     3347   146  0.1462 0.1696        
REMARK   3     4  2.0100 -  1.8200    1.00     3304   145  0.1533 0.1808        
REMARK   3     5  1.8200 -  1.6900    1.00     3302   145  0.1632 0.1662        
REMARK   3     6  1.6900 -  1.5900    1.00     3301   144  0.1592 0.1928        
REMARK   3     7  1.5900 -  1.5100    1.00     3215   141  0.1694 0.2049        
REMARK   3     8  1.5100 -  1.4500    0.99     3284   143  0.1863 0.2028        
REMARK   3     9  1.4500 -  1.3900    0.99     3232   141  0.1974 0.2285        
REMARK   3    10  1.3900 -  1.3400    0.99     3201   140  0.2065 0.2190        
REMARK   3    11  1.3400 -  1.3000    0.98     3210   142  0.2095 0.2579        
REMARK   3    12  1.3000 -  1.2600    0.98     3150   137  0.2357 0.2702        
REMARK   3    13  1.2600 -  1.2300    0.97     3141   137  0.2558 0.2903        
REMARK   3    14  1.2300 -  1.2000    0.94     3036   133  0.3023 0.2778        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.120            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.293           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 9.31                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.022           1219                                  
REMARK   3   ANGLE     :  2.138           1672                                  
REMARK   3   CHIRALITY :  0.845            187                                  
REMARK   3   PLANARITY :  0.014            205                                  
REMARK   3   DIHEDRAL  : 13.298            438                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 6                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 10 )                    
REMARK   3    ORIGIN FOR THE GROUP (A):   3.6751  16.2355  80.5978              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1012 T22:   0.0465                                     
REMARK   3      T33:   0.0589 T12:   0.0173                                     
REMARK   3      T13:   0.0045 T23:  -0.0013                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5594 L22:   4.2711                                     
REMARK   3      L33:   3.7514 L12:   1.2955                                     
REMARK   3      L13:   0.8462 L23:   3.9297                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0446 S12:  -0.0244 S13:  -0.0820                       
REMARK   3      S21:   0.1429 S22:   0.0729 S23:  -0.0702                       
REMARK   3      S31:   0.3286 S32:   0.3239 S33:  -0.2001                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 11 THROUGH 31 )                   
REMARK   3    ORIGIN FOR THE GROUP (A):   9.1219  16.0192  62.5698              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0993 T22:   0.1016                                     
REMARK   3      T33:   0.0665 T12:   0.0380                                     
REMARK   3      T13:  -0.0031 T23:  -0.0333                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.8293 L22:   1.4700                                     
REMARK   3      L33:   1.4226 L12:   1.2751                                     
REMARK   3      L13:  -0.2242 L23:  -0.7776                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1923 S12:   0.4240 S13:  -0.1194                       
REMARK   3      S21:  -0.1760 S22:   0.1797 S23:  -0.1759                       
REMARK   3      S31:   0.4964 S32:   0.2458 S33:   0.0029                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 32 THROUGH 59 )                   
REMARK   3    ORIGIN FOR THE GROUP (A):   0.6565  17.4074  79.6774              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0747 T22:   0.0236                                     
REMARK   3      T33:   0.0608 T12:   0.0069                                     
REMARK   3      T13:  -0.0012 T23:  -0.0108                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4195 L22:   0.3332                                     
REMARK   3      L33:   1.9325 L12:   0.0021                                     
REMARK   3      L13:  -0.5896 L23:  -0.2114                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0079 S12:   0.0046 S13:  -0.0495                       
REMARK   3      S21:   0.0047 S22:   0.0003 S23:   0.0029                       
REMARK   3      S31:   0.2426 S32:   0.0998 S33:  -0.0085                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 60 THROUGH 81 )                   
REMARK   3    ORIGIN FOR THE GROUP (A):   6.3529  28.2123  69.6701              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0530 T22:   0.0565                                     
REMARK   3      T33:   0.0749 T12:   0.0027                                     
REMARK   3      T13:  -0.0132 T23:  -0.0125                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.1071 L22:   1.1803                                     
REMARK   3      L33:   1.4478 L12:   0.8352                                     
REMARK   3      L13:  -0.7980 L23:  -0.3735                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0581 S12:   0.0240 S13:   0.0695                       
REMARK   3      S21:   0.0701 S22:  -0.0041 S23:   0.0054                       
REMARK   3      S31:  -0.0168 S32:   0.0173 S33:  -0.0155                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 82 THROUGH 127 )                  
REMARK   3    ORIGIN FOR THE GROUP (A):   1.2252  24.9622  74.0798              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0635 T22:   0.0473                                     
REMARK   3      T33:   0.0735 T12:   0.0023                                     
REMARK   3      T13:  -0.0046 T23:  -0.0073                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4577 L22:   0.4758                                     
REMARK   3      L33:   1.3342 L12:   0.2938                                     
REMARK   3      L13:  -0.6510 L23:  -0.6538                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0444 S12:   0.0000 S13:   0.0410                       
REMARK   3      S21:   0.0896 S22:   0.0316 S23:  -0.0004                       
REMARK   3      S31:  -0.0944 S32:   0.0423 S33:  -0.0615                       
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 128 THROUGH 142 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):   7.8364  16.2675  81.7525              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1966 T22:   0.1163                                     
REMARK   3      T33:   0.1460 T12:   0.0201                                     
REMARK   3      T13:   0.0256 T23:  -0.0167                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6794 L22:   1.3801                                     
REMARK   3      L33:   3.7320 L12:  -0.8401                                     
REMARK   3      L13:  -0.5669 L23:  -0.0335                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0775 S12:  -0.0684 S13:  -0.0936                       
REMARK   3      S21:  -0.2292 S22:   0.0835 S23:  -0.4132                       
REMARK   3      S31:  -0.0047 S32:   0.7128 S33:  -0.0343                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 7T27 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-21.                  
REMARK 100 THE DEPOSITION ID IS D_1000261538.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-SEP-21                          
REMARK 200  TEMPERATURE           (KELVIN) : 80                                 
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 24-ID-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97918                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER2 X 16M               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 47842                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 43.850                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 16.90                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.22                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: AUTOSOL                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.99                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2 M AMMONIUM SULFATE, 0.1 M SODIUM       
REMARK 280  CITRATE PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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       77.07500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       21.92250            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       21.92250            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       38.53750            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       21.92250            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       21.92250            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      115.61250            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       21.92250            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       21.92250            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       38.53750            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       21.92250            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       21.92250            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      115.61250            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       77.07500            
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: 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 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    52                                                      
REMARK 465     GLY A    53                                                      
REMARK 465     LYS A   143                                                      
REMARK 465     ASP A   144                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   433     O    HOH A   464              1.91            
REMARK 500   O    ASP A   142     O    HOH A   301              1.91            
REMARK 500   O    HOH A   351     O    HOH A   357              1.93            
REMARK 500   OG   SER A    54     O    HOH A   302              1.94            
REMARK 500   N    SER A    54     O    HOH A   303              1.95            
REMARK 500   O    HOH A   479     O    HOH A   482              1.95            
REMARK 500   O    HOH A   455     O    HOH A   485              1.97            
REMARK 500   O    HOH A   466     O    HOH A   481              1.98            
REMARK 500   O    PHE A    55     O    HOH A   304              1.98            
REMARK 500   O    HOH A   437     O    HOH A   506              2.00            
REMARK 500   C    ASP A   142     O    HOH A   301              2.10            
REMARK 500   OE1  GLU A    19     O    HOH A   305              2.12            
REMARK 500   O    HOH A   454     O    HOH A   478              2.13            
REMARK 500   O    HOH A   381     O    HOH A   504              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   353     O    HOH A   436     7566     1.79            
REMARK 500   OG   SER A   141     OG   SER A   141     7556     1.89            
REMARK 500   O    HOH A   301     O    HOH A   318     7556     2.17            
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    ASP A  99   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    LEU A 128   CA  -  CB  -  CG  ANGL. DEV. =  17.6 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    ASN A 112       95.53   -160.66                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 520        DISTANCE =  5.83 ANGSTROMS                       
DBREF1 7T27 A    2   144  UNP                  A0A868BQY3_9CAUD                 
DBREF2 7T27 A     A0A868BQY3                         10         152             
SEQADV 7T27 SER A    1  UNP  A0A868BQY           CLONING ARTIFACT               
SEQRES   1 A  144  SER GLY LEU TYR VAL ALA ALA LYS PHE SER GLU SER THR          
SEQRES   2 A  144  LEU ASP ALA LEU GLU GLU LEU GLN ARG SER LEU LYS LEU          
SEQRES   3 A  144  PRO ASN PRO VAL PRO ARG ASP LYS LEU HIS THR THR ILE          
SEQRES   4 A  144  VAL TYR SER ARG VAL ASN VAL PRO TYR LYS VAL ALA SER          
SEQRES   5 A  144  GLY SER PHE GLU ILE ALA ASP LYS GLY LYS LEU THR VAL          
SEQRES   6 A  144  PHE GLU THR GLN SER GLY ASN ARG ALA LEU VAL LEU GLU          
SEQRES   7 A  144  MET ASP SER ASP TYR LEU SER ALA ARG HIS SER TYR ALA          
SEQRES   8 A  144  LYS ALA LEU GLY ALA SER TYR ASP TYR PRO ASP TYR ARG          
SEQRES   9 A  144  PRO HIS ILE THR LEU SER TYR ASN ILE GLY VAL LEU ASN          
SEQRES  10 A  144  PHE SER GLY GLU TYR LYS VAL PRO VAL VAL LEU ASP ARG          
SEQRES  11 A  144  GLU TYR SER GLU GLU LEU ASP LEU GLU TRP SER ASP LYS          
SEQRES  12 A  144  ASP                                                          
HET    ECI  A 201      69                                                       
HET    SO4  A 202       5                                                       
HETNAM     ECI [(2~{R},3~{S},4~{R},5~{R})-5-(6-AMINOPURIN-9-YL)-2-              
HETNAM   2 ECI  [[[(2~{R},3~{S},4~{R},5~{R})-5-(2-AZANYL-6-                     
HETNAM   3 ECI  OXIDANYLIDENE-1~{H}-PURIN-9-YL)-2-(HYDROXYMETHYL)-4-            
HETNAM   4 ECI  OXIDANYL-OXOLAN-3-YL]OXY-SULFANYL-                              
HETNAM   5 ECI  PHOSPHORYL]OXYMETHYL]-4-OXIDANYL-OXOLAN-3-YL]OXY-               
HETNAM   6 ECI  SULFANYL-PHOSPHINIC ACID                                        
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2  ECI    C20 H26 N10 O12 P2 S2                                        
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4  HOH   *220(H2 O)                                                    
HELIX    1 AA1 SER A   10  LEU A   24  1                                  15    
HELIX    2 AA2 PRO A   31  LEU A   35  5                                   5    
HELIX    3 AA3 SER A   81  GLY A   95  1                                  15    
SHEET    1 AA1 6 THR A  37  SER A  42  0                                        
SHEET    2 AA1 6 LEU A   3  PHE A   9 -1  N  VAL A   5   O  ILE A  39           
SHEET    3 AA1 6 GLU A 121  GLU A 134 -1  O  ARG A 130   N  LYS A   8           
SHEET    4 AA1 6 GLU A  56  GLU A  67 -1  N  ILE A  57   O  VAL A 126           
SHEET    5 AA1 6 ARG A  73  GLU A  78 -1  O  VAL A  76   N  THR A  64           
SHEET    6 AA1 6 HIS A 106  SER A 110 -1  O  LEU A 109   N  LEU A  75           
CRYST1   43.845   43.845  154.150  90.00  90.00  90.00 P 41 21 2     8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.022808  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022808  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006487        0.00000