HEADER    BIOSYNTHETIC PROTEIN                    23-JUN-18   6A5H              
TITLE     THE STRUCTURE OF [4+2] AND [6+4] CYCLASE IN THE BIOSYNTHETIC PATHWAY  
TITLE    2 OF UNIDENTIFIED NATURAL PRODUCT                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 101015D;                                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NOCARDIA TENERIFENSIS NBRC 101015;              
SOURCE   3 ORGANISM_TAXID: 1206736;                                             
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG';        
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 866768                                      
KEYWDS    [4+2] AND [4+6] CYCLASE, NATURAL PRODUCT, BIOSYNTHESIS, BIOSYNTHETIC  
KEYWDS   2 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.ZHANG,H.M.GE                                                        
REVDAT   4   22-NOV-23 6A5H    1       REMARK                                   
REVDAT   3   17-APR-19 6A5H    1       JRNL                                     
REVDAT   2   10-APR-19 6A5H    1       JRNL                                     
REVDAT   1   06-FEB-19 6A5H    0                                                
JRNL        AUTH   B.ZHANG,K.B.WANG,W.WANG,X.WANG,F.LIU,J.ZHU,J.SHI,L.Y.LI,     
JRNL        AUTH 2 H.HAN,K.XU,H.Y.QIAO,X.ZHANG,R.H.JIAO,K.N.HOUK,Y.LIANG,       
JRNL        AUTH 3 R.X.TAN,H.M.GE                                               
JRNL        TITL   ENZYME-CATALYSED [6+4] CYCLOADDITIONS IN THE BIOSYNTHESIS OF 
JRNL        TITL 2 NATURAL PRODUCTS.                                            
JRNL        REF    NATURE                        V. 568   122 2019              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   30867595                                                     
JRNL        DOI    10.1038/S41586-019-1021-X                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.62 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.13_2998                                     
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.62                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 31.94                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 47324                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.176                           
REMARK   3   R VALUE            (WORKING SET) : 0.174                           
REMARK   3   FREE R VALUE                     : 0.201                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.250                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2009                            
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 31.9490 -  3.8974    1.00     3488   153  0.1734 0.1979        
REMARK   3     2  3.8974 -  3.0943    1.00     3325   146  0.1558 0.1751        
REMARK   3     3  3.0943 -  2.7034    1.00     3268   150  0.1691 0.1865        
REMARK   3     4  2.7034 -  2.4563    1.00     3236   142  0.1735 0.1915        
REMARK   3     5  2.4563 -  2.2803    1.00     3242   140  0.1758 0.2015        
REMARK   3     6  2.2803 -  2.1459    1.00     3219   152  0.1755 0.2105        
REMARK   3     7  2.1459 -  2.0385    1.00     3218   135  0.1755 0.2052        
REMARK   3     8  2.0385 -  1.9497    1.00     3194   142  0.1750 0.2036        
REMARK   3     9  1.9497 -  1.8747    1.00     3197   147  0.1790 0.2143        
REMARK   3    10  1.8747 -  1.8100    1.00     3194   139  0.1787 0.2080        
REMARK   3    11  1.8100 -  1.7534    1.00     3204   142  0.1910 0.2402        
REMARK   3    12  1.7534 -  1.7033    1.00     3153   141  0.1894 0.2407        
REMARK   3    13  1.7033 -  1.6585    1.00     3216   137  0.1969 0.2160        
REMARK   3    14  1.6585 -  1.6180    1.00     3161   143  0.2123 0.2325        
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)     : 0.140            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.780           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.35                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.96                          
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      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A): -28.3588  -3.5577   0.7587              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0207 T22:   0.0678                                     
REMARK   3      T33:   0.0420 T12:   0.0126                                     
REMARK   3      T13:   0.0018 T23:  -0.0094                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1321 L22:   0.2139                                     
REMARK   3      L33:   0.5089 L12:  -0.0847                                     
REMARK   3      L13:   0.0792 L23:   0.1133                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0718 S12:   0.0059 S13:   0.0158                       
REMARK   3      S21:   0.0387 S22:   0.1070 S23:  -0.0693                       
REMARK   3      S31:  -0.0524 S32:   0.2452 S33:   0.0282                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : 1                                           
REMARK   3   NCS GROUP : 1                                                      
REMARK   3    NCS OPERATOR : 1                                                  
REMARK   3     REFERENCE SELECTION: (CHAIN A AND RESID 3 THROUGH 152)           
REMARK   3     SELECTION          : CHAIN B                                     
REMARK   3     ATOM PAIRS NUMBER  : 1388                                        
REMARK   3     RMSD               : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6A5H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-JUN-18.                  
REMARK 100 THE DEPOSITION ID IS D_1300008184.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-APR-18                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL18U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97930                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.6.3                      
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 47357                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.620                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 31.940                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 7.100                              
REMARK 200  R MERGE                    (I) : 0.14100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.62                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.65                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: 6A5F                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.94                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2 M AMMONIUM SULFATE, 100 MM MES, PH     
REMARK 280  6.5, 200MM NACL FOR STMD AND 101015DA CRYSTALLIZATION, VAPOR        
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 295.15K                        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 2 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,X,Z+1/4                                              
REMARK 290       4555   Y,-X,Z+3/4                                              
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z+1/2                                             
REMARK 290       7555   Y,X,-Z+3/4                                              
REMARK 290       8555   -Y,-X,-Z+1/4                                            
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       46.13000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       23.06500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       69.19500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       46.13000            
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       69.19500            
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       23.06500            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7190 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24440 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -43.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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   BIOMT1   2 -1.000000  0.000000  0.000000      -88.55000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     LYS A   153                                                      
REMARK 465     LEU A   154                                                      
REMARK 465     ALA A   155                                                      
REMARK 465     ALA A   156                                                      
REMARK 465     ALA A   157                                                      
REMARK 465     LEU A   158                                                      
REMARK 465     GLU A   159                                                      
REMARK 465     HIS A   160                                                      
REMARK 465     HIS A   161                                                      
REMARK 465     HIS A   162                                                      
REMARK 465     HIS A   163                                                      
REMARK 465     HIS A   164                                                      
REMARK 465     HIS A   165                                                      
REMARK 465     MET B     1                                                      
REMARK 465     THR B     2                                                      
REMARK 465     LYS B   153                                                      
REMARK 465     LEU B   154                                                      
REMARK 465     ALA B   155                                                      
REMARK 465     ALA B   156                                                      
REMARK 465     ALA B   157                                                      
REMARK 465     LEU B   158                                                      
REMARK 465     GLU B   159                                                      
REMARK 465     HIS B   160                                                      
REMARK 465     HIS B   161                                                      
REMARK 465     HIS B   162                                                      
REMARK 465     HIS B   163                                                      
REMARK 465     HIS B   164                                                      
REMARK 465     HIS B   165                                                      
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 B   350     O    HOH B   387              1.82            
REMARK 500   O    HOH A   329     O    HOH A   343              1.86            
REMARK 500   O    HOH A   226     O    HOH A   359              1.91            
REMARK 500   O    HOH A   381     O    HOH A   382              1.96            
REMARK 500   O    HOH A   203     O    HOH A   223              2.00            
REMARK 500   O    HOH B   363     O    HOH B   417              2.01            
REMARK 500   O    HOH B   221     O    HOH B   304              2.04            
REMARK 500   O    HOH B   304     O    HOH B   350              2.05            
REMARK 500   O    HOH B   249     O    HOH B   318              2.05            
REMARK 500   O    HOH A   213     O    HOH A   278              2.07            
REMARK 500   NE2  GLN A    57     O    HOH A   201              2.08            
REMARK 500   N    GLU B     3     O    HOH B   201              2.08            
REMARK 500   O    HOH B   317     O    HOH B   320              2.08            
REMARK 500   O    HOH B   235     O    HOH B   354              2.10            
REMARK 500   OE2  GLU B   124     O    HOH B   202              2.10            
REMARK 500   O    HOH A   252     O    HOH A   373              2.11            
REMARK 500   O    HOH B   219     O    HOH B   233              2.12            
REMARK 500   O    HOH A   332     O    HOH A   356              2.12            
REMARK 500   O    HOH A   365     O    HOH A   392              2.14            
REMARK 500   O    HOH A   309     O    HOH A   346              2.14            
REMARK 500   O    HOH A   333     O    HOH A   353              2.14            
REMARK 500   O    HOH B   222     O    HOH B   366              2.15            
REMARK 500   OE1  GLU A    61     O    HOH A   202              2.15            
REMARK 500   O    HOH B   327     O    HOH B   381              2.17            
REMARK 500   O    HOH B   291     O    HOH B   364              2.19            
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   292     O    HOH B   353     5455     2.12            
REMARK 500   O    HOH A   331     O    HOH A   331     5455     2.15            
REMARK 500   O    HOH B   246     O    HOH B   361     7554     2.15            
REMARK 500   O    HOH A   204     O    HOH A   306     6555     2.18            
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 392        DISTANCE =  6.39 ANGSTROMS                       
REMARK 525    HOH B 423        DISTANCE =  5.97 ANGSTROMS                       
REMARK 525    HOH B 424        DISTANCE =  6.11 ANGSTROMS                       
REMARK 525    HOH B 425        DISTANCE =  6.38 ANGSTROMS                       
REMARK 525    HOH B 426        DISTANCE =  6.65 ANGSTROMS                       
REMARK 525    HOH B 427        DISTANCE =  6.71 ANGSTROMS                       
REMARK 525    HOH B 428        DISTANCE =  6.72 ANGSTROMS                       
DBREF  6A5H A    1   165  PDB    6A5H     6A5H             1    165             
DBREF  6A5H B    1   165  PDB    6A5H     6A5H             1    165             
SEQRES   1 A  165  MET THR GLU ILE THR PRO GLU LEU VAL ALA ALA ALA TYR          
SEQRES   2 A  165  GLU ALA VAL SER SER GLY ASN ARG GLU LYS THR ALA LEU          
SEQRES   3 A  165  TYR TRP SER GLU ASN LEU ARG PHE LEU ALA PRO GLY SER          
SEQRES   4 A  165  HIS ALA HIS ALA GLY TRP ARG THR GLY ILE ASP ASP PHE          
SEQRES   5 A  165  LEU GLU TYR VAL GLN GLY MET LEU GLU ALA SER GLY GLY          
SEQRES   6 A  165  SER TRP SER MET ARG PRO ILE THR LEU LEU ILE ASN ASN          
SEQRES   7 A  165  ASP ASP GLY TYR SER ILE ASP VAL ASN GLU ILE HIS ALA          
SEQRES   8 A  165  ILE ARG LYS GLY ALA PRO GLU GLY SER THR SER PRO PHE          
SEQRES   9 A  165  ASP VAL LEU ASP ILE SER GLY VAL GLN MET LEU LYS TRP          
SEQRES  10 A  165  GLU ASN GLY LYS VAL VAL GLU GLY TYR GLY GLY VAL PHE          
SEQRES  11 A  165  GLY ASP GLY ALA THR ASN TYR THR GLN TRP TRP SER PRO          
SEQRES  12 A  165  LEU SER GLY ASP GLY GLU ARG ARG TYR LYS LEU ALA ALA          
SEQRES  13 A  165  ALA LEU GLU HIS HIS HIS HIS HIS HIS                          
SEQRES   1 B  165  MET THR GLU ILE THR PRO GLU LEU VAL ALA ALA ALA TYR          
SEQRES   2 B  165  GLU ALA VAL SER SER GLY ASN ARG GLU LYS THR ALA LEU          
SEQRES   3 B  165  TYR TRP SER GLU ASN LEU ARG PHE LEU ALA PRO GLY SER          
SEQRES   4 B  165  HIS ALA HIS ALA GLY TRP ARG THR GLY ILE ASP ASP PHE          
SEQRES   5 B  165  LEU GLU TYR VAL GLN GLY MET LEU GLU ALA SER GLY GLY          
SEQRES   6 B  165  SER TRP SER MET ARG PRO ILE THR LEU LEU ILE ASN ASN          
SEQRES   7 B  165  ASP ASP GLY TYR SER ILE ASP VAL ASN GLU ILE HIS ALA          
SEQRES   8 B  165  ILE ARG LYS GLY ALA PRO GLU GLY SER THR SER PRO PHE          
SEQRES   9 B  165  ASP VAL LEU ASP ILE SER GLY VAL GLN MET LEU LYS TRP          
SEQRES  10 B  165  GLU ASN GLY LYS VAL VAL GLU GLY TYR GLY GLY VAL PHE          
SEQRES  11 B  165  GLY ASP GLY ALA THR ASN TYR THR GLN TRP TRP SER PRO          
SEQRES  12 B  165  LEU SER GLY ASP GLY GLU ARG ARG TYR LYS LEU ALA ALA          
SEQRES  13 B  165  ALA LEU GLU HIS HIS HIS HIS HIS HIS                          
FORMUL   3  HOH   *416(H2 O)                                                    
HELIX    1 AA1 THR A    5  GLY A   19  1                                  15    
HELIX    2 AA2 ASN A   20  LEU A   26  1                                   7    
HELIX    3 AA3 GLY A   48  SER A   63  1                                  16    
HELIX    4 AA4 ASP A  132  SER A  142  1                                  11    
HELIX    5 AA5 THR B    5  GLY B   19  1                                  15    
HELIX    6 AA6 ASN B   20  LEU B   26  1                                   7    
HELIX    7 AA7 GLY B   48  SER B   63  1                                  16    
HELIX    8 AA8 ASP B  132  SER B  142  1                                  11    
SHEET    1 AA1 6 GLY A  44  THR A  47  0                                        
SHEET    2 AA1 6 TRP A  28  ALA A  36 -1  N  PHE A  34   O  ARG A  46           
SHEET    3 AA1 6 LYS A 121  PHE A 130  1  O  VAL A 122   N  SER A  29           
SHEET    4 AA1 6 LYS B 121  VAL B 129 -1  O  VAL B 129   N  VAL A 129           
SHEET    5 AA1 6 TRP B  28  ALA B  36  1  N  SER B  29   O  VAL B 122           
SHEET    6 AA1 6 GLY B  44  THR B  47 -1  O  ARG B  46   N  PHE B  34           
SHEET    1 AA2 8 SER A  68  ASN A  77  0                                        
SHEET    2 AA2 8 TYR A  82  ILE A  92 -1  O  VAL A  86   N  ILE A  72           
SHEET    3 AA2 8 VAL A 106  GLU A 118 -1  O  LEU A 107   N  ALA A  91           
SHEET    4 AA2 8 LYS A 121  PHE A 130 -1  O  GLU A 124   N  LYS A 116           
SHEET    5 AA2 8 LYS B 121  VAL B 129 -1  O  VAL B 129   N  VAL A 129           
SHEET    6 AA2 8 VAL B 106  GLU B 118 -1  N  LYS B 116   O  GLU B 124           
SHEET    7 AA2 8 TYR B  82  ILE B  92 -1  N  ALA B  91   O  LEU B 107           
SHEET    8 AA2 8 SER B  68  ASN B  77 -1  N  ILE B  72   O  VAL B  86           
CRYST1   88.550   88.550   92.260  90.00  90.00  90.00 P 41 2 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      0.011293  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011293  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010839        0.00000