HEADER    PHOTOSYNTHESIS                          28-FEB-13   3ZPN              
TITLE     STRUCTURE OF PSB28                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHOTOSYSTEM II REACTION CENTER PSB28 PROTEIN;              
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: PHOTOSYSTEM II 13 KDA PROTEIN, PHOTOSYSTEM II REACTION      
COMPND   5 CENTER W PROTEIN;                                                    
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS ELONGATUS;                  
SOURCE   3 ORGANISM_TAXID: 146786;                                              
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: KRX;                                       
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PRSETA                                     
KEYWDS    PHOTOSYNTHESIS, PHOTOSYSTEM II ASSEMBLY                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.J.BIALEK,F.MICHOUX,P.J.NIXON,J.W.MURRAY                             
REVDAT   3   20-DEC-23 3ZPN    1       REMARK                                   
REVDAT   2   20-NOV-13 3ZPN    1       JRNL                                     
REVDAT   1   30-OCT-13 3ZPN    0                                                
JRNL        AUTH   W.BIALEK,S.WEN,F.MICHOUX,M.BECKOVA,J.KOMENDA,J.W.MURRAY,     
JRNL        AUTH 2 P.J.NIXON                                                    
JRNL        TITL   CRYSTAL STRUCTURE OF THE PSB28 ACCESSORY FACTOR OF           
JRNL        TITL 2 THERMOSYNECHOCOCCUS ELONGATUS PHOTOSYSTEM II AT 2.3 A        
JRNL        REF    PHOTOSYNTH.RES.               V. 117   375 2013              
JRNL        REFN                   ISSN 0166-8595                               
JRNL        PMID   24126792                                                     
JRNL        DOI    10.1007/S11120-013-9939-6                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.36 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
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) : 2.36                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 57.06                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 23631                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.195                           
REMARK   3   R VALUE            (WORKING SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1195                            
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 57.0766 -  4.9111    0.97     2509   116  0.1574 0.1764        
REMARK   3     2  4.9111 -  3.8983    0.99     2517   126  0.1578 0.2115        
REMARK   3     3  3.8983 -  3.4056    0.99     2481   136  0.1820 0.1967        
REMARK   3     4  3.4056 -  3.0943    0.98     2478   122  0.2087 0.2411        
REMARK   3     5  3.0943 -  2.8725    0.99     2473   152  0.2284 0.2744        
REMARK   3     6  2.8725 -  2.7031    1.00     2490   156  0.2382 0.3106        
REMARK   3     7  2.7031 -  2.5678    0.99     2511   137  0.2551 0.3091        
REMARK   3     8  2.5678 -  2.4560    1.00     2503   125  0.2683 0.3559        
REMARK   3     9  2.4560 -  2.3614    0.98     2474   125  0.2866 0.3429        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.10                                          
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)     : 0.350            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.900           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 45.94                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.50                          
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  : NULL                                       
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 (RESSEQ 4:108 )                 
REMARK   3     SELECTION          : CHAIN B AND (RESSEQ 4:108 )                 
REMARK   3     ATOM PAIRS NUMBER  : 844                                         
REMARK   3     RMSD               : 1.616                                       
REMARK   3    NCS OPERATOR : 2                                                  
REMARK   3     REFERENCE SELECTION: CHAIN A AND (RESSEQ 4:108 )                 
REMARK   3     SELECTION          : CHAIN C AND (RESSEQ 4:108 )                 
REMARK   3     ATOM PAIRS NUMBER  : 844                                         
REMARK   3     RMSD               : 1.848                                       
REMARK   3    NCS OPERATOR : 3                                                  
REMARK   3     REFERENCE SELECTION: CHAIN A AND (RESSEQ 4:108 )                 
REMARK   3     SELECTION          : CHAIN D AND (RESSEQ 4:108 )                 
REMARK   3     ATOM PAIRS NUMBER  : 844                                         
REMARK   3     RMSD               : 1.089                                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3ZPN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-FEB-13.                  
REMARK 100 THE DEPOSITION ID IS D_1290056003.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-JUL-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I04-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92000                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : TRUNCATE                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23633                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.360                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 57.060                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 3.120                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.2600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.36                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.76000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.520                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2KVO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 35% W/V PEG 3350, 300MM POTASSIUM        
REMARK 280  THIOCYANATE                                                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43                             
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+3/4                                              
REMARK 290       4555   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       91.66000            
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      137.49000            
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       45.83000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2340 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11630 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2190 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11360 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.2 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A   -16                                                      
REMARK 465     ARG A   -15                                                      
REMARK 465     GLY A   -14                                                      
REMARK 465     SER A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     HIS A    -9                                                      
REMARK 465     HIS A    -8                                                      
REMARK 465     HIS A    -7                                                      
REMARK 465     GLY A    -6                                                      
REMARK 465     LEU A    -5                                                      
REMARK 465     VAL A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     ARG A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     VAL A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     GLN A   111                                                      
REMARK 465     LYS A   112                                                      
REMARK 465     SER A   113                                                      
REMARK 465     GLU A   114                                                      
REMARK 465     ASN A   115                                                      
REMARK 465     SER A   116                                                      
REMARK 465     MET B   -16                                                      
REMARK 465     ARG B   -15                                                      
REMARK 465     GLY B   -14                                                      
REMARK 465     SER B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     HIS B    -9                                                      
REMARK 465     HIS B    -8                                                      
REMARK 465     HIS B    -7                                                      
REMARK 465     GLY B    -6                                                      
REMARK 465     LEU B    -5                                                      
REMARK 465     VAL B    -4                                                      
REMARK 465     PRO B    -3                                                      
REMARK 465     ARG B    -2                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     SER B     0                                                      
REMARK 465     VAL B     1                                                      
REMARK 465     GLY B     2                                                      
REMARK 465     PHE B   110                                                      
REMARK 465     GLN B   111                                                      
REMARK 465     LYS B   112                                                      
REMARK 465     SER B   113                                                      
REMARK 465     GLU B   114                                                      
REMARK 465     ASN B   115                                                      
REMARK 465     SER B   116                                                      
REMARK 465     MET C   -16                                                      
REMARK 465     ARG C   -15                                                      
REMARK 465     GLY C   -14                                                      
REMARK 465     SER C   -13                                                      
REMARK 465     HIS C   -12                                                      
REMARK 465     HIS C   -11                                                      
REMARK 465     HIS C   -10                                                      
REMARK 465     HIS C    -9                                                      
REMARK 465     HIS C    -8                                                      
REMARK 465     HIS C    -7                                                      
REMARK 465     GLY C    -6                                                      
REMARK 465     LEU C    -5                                                      
REMARK 465     VAL C    -4                                                      
REMARK 465     PRO C    -3                                                      
REMARK 465     ARG C    -2                                                      
REMARK 465     GLY C    -1                                                      
REMARK 465     SER C     0                                                      
REMARK 465     VAL C     1                                                      
REMARK 465     GLY C     2                                                      
REMARK 465     ALA C     3                                                      
REMARK 465     PHE C   110                                                      
REMARK 465     GLN C   111                                                      
REMARK 465     LYS C   112                                                      
REMARK 465     SER C   113                                                      
REMARK 465     GLU C   114                                                      
REMARK 465     ASN C   115                                                      
REMARK 465     SER C   116                                                      
REMARK 465     MET D   -16                                                      
REMARK 465     ARG D   -15                                                      
REMARK 465     GLY D   -14                                                      
REMARK 465     SER D   -13                                                      
REMARK 465     HIS D   -12                                                      
REMARK 465     HIS D   -11                                                      
REMARK 465     HIS D   -10                                                      
REMARK 465     HIS D    -9                                                      
REMARK 465     HIS D    -8                                                      
REMARK 465     HIS D    -7                                                      
REMARK 465     GLY D    -6                                                      
REMARK 465     LEU D    -5                                                      
REMARK 465     VAL D    -4                                                      
REMARK 465     PRO D    -3                                                      
REMARK 465     ARG D    -2                                                      
REMARK 465     GLY D    -1                                                      
REMARK 465     SER D     0                                                      
REMARK 465     VAL D     1                                                      
REMARK 465     GLY D     2                                                      
REMARK 465     ALA D     3                                                      
REMARK 465     PHE D   110                                                      
REMARK 465     GLN D   111                                                      
REMARK 465     LYS D   112                                                      
REMARK 465     SER D   113                                                      
REMARK 465     GLU D   114                                                      
REMARK 465     ASN D   115                                                      
REMARK 465     SER D   116                                                      
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  48      -76.92   -101.08                                   
REMARK 500    GLN B  45       27.94    -70.73                                   
REMARK 500    GLU B  46       77.65     75.42                                   
REMARK 500    ASN C  48      -90.19    -99.99                                   
REMARK 500    LEU C  49     -172.17    154.75                                   
REMARK 500    GLU C  50       65.47     65.74                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3ZPN A    2   116  UNP    Q8DLJ8   PSB28_THEEB      2    116             
DBREF  3ZPN B    2   116  UNP    Q8DLJ8   PSB28_THEEB      2    116             
DBREF  3ZPN C    2   116  UNP    Q8DLJ8   PSB28_THEEB      2    116             
DBREF  3ZPN D    2   116  UNP    Q8DLJ8   PSB28_THEEB      2    116             
SEQADV 3ZPN MET A  -16  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG A  -15  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY A  -14  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER A  -13  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS A  -12  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS A  -11  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS A  -10  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS A   -9  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS A   -8  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS A   -7  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY A   -6  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN LEU A   -5  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL A   -4  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN PRO A   -3  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG A   -2  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY A   -1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER A    0  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL A    1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN MET B  -16  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG B  -15  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY B  -14  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER B  -13  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS B  -12  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS B  -11  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS B  -10  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS B   -9  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS B   -8  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS B   -7  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY B   -6  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN LEU B   -5  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL B   -4  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN PRO B   -3  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG B   -2  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY B   -1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER B    0  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL B    1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN MET C  -16  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG C  -15  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY C  -14  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER C  -13  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS C  -12  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS C  -11  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS C  -10  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS C   -9  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS C   -8  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS C   -7  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY C   -6  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN LEU C   -5  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL C   -4  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN PRO C   -3  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG C   -2  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY C   -1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER C    0  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL C    1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN MET D  -16  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG D  -15  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY D  -14  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER D  -13  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS D  -12  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS D  -11  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS D  -10  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS D   -9  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS D   -8  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN HIS D   -7  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY D   -6  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN LEU D   -5  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL D   -4  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN PRO D   -3  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN ARG D   -2  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN GLY D   -1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN SER D    0  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQADV 3ZPN VAL D    1  UNP  Q8DLJ8              EXPRESSION TAG                 
SEQRES   1 A  133  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY LEU VAL          
SEQRES   2 A  133  PRO ARG GLY SER VAL GLY ALA MET ALA GLU ILE GLN PHE          
SEQRES   3 A  133  ILE ARG GLY ILE ASN GLU GLU VAL VAL PRO ASP VAL ARG          
SEQRES   4 A  133  LEU THR ARG ALA ARG ASP GLY SER SER GLY GLN ALA MET          
SEQRES   5 A  133  PHE TYR PHE ASP ASN PRO LYS ILE VAL GLN GLU GLY ASN          
SEQRES   6 A  133  LEU GLU VAL THR GLY MET TYR MET VAL ASP GLU GLU GLY          
SEQRES   7 A  133  GLU ILE VAL THR ARG ASP VAL ASN ALA LYS PHE ILE ASN          
SEQRES   8 A  133  GLY GLN PRO VAL ALA ILE GLU ALA THR TYR THR MET ARG          
SEQRES   9 A  133  SER PRO GLN GLU TRP ASP ARG PHE ILE ARG PHE MET ASP          
SEQRES  10 A  133  ARG TYR ALA ALA SER HIS GLY LEU GLY PHE GLN LYS SER          
SEQRES  11 A  133  GLU ASN SER                                                  
SEQRES   1 B  133  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY LEU VAL          
SEQRES   2 B  133  PRO ARG GLY SER VAL GLY ALA MET ALA GLU ILE GLN PHE          
SEQRES   3 B  133  ILE ARG GLY ILE ASN GLU GLU VAL VAL PRO ASP VAL ARG          
SEQRES   4 B  133  LEU THR ARG ALA ARG ASP GLY SER SER GLY GLN ALA MET          
SEQRES   5 B  133  PHE TYR PHE ASP ASN PRO LYS ILE VAL GLN GLU GLY ASN          
SEQRES   6 B  133  LEU GLU VAL THR GLY MET TYR MET VAL ASP GLU GLU GLY          
SEQRES   7 B  133  GLU ILE VAL THR ARG ASP VAL ASN ALA LYS PHE ILE ASN          
SEQRES   8 B  133  GLY GLN PRO VAL ALA ILE GLU ALA THR TYR THR MET ARG          
SEQRES   9 B  133  SER PRO GLN GLU TRP ASP ARG PHE ILE ARG PHE MET ASP          
SEQRES  10 B  133  ARG TYR ALA ALA SER HIS GLY LEU GLY PHE GLN LYS SER          
SEQRES  11 B  133  GLU ASN SER                                                  
SEQRES   1 C  133  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY LEU VAL          
SEQRES   2 C  133  PRO ARG GLY SER VAL GLY ALA MET ALA GLU ILE GLN PHE          
SEQRES   3 C  133  ILE ARG GLY ILE ASN GLU GLU VAL VAL PRO ASP VAL ARG          
SEQRES   4 C  133  LEU THR ARG ALA ARG ASP GLY SER SER GLY GLN ALA MET          
SEQRES   5 C  133  PHE TYR PHE ASP ASN PRO LYS ILE VAL GLN GLU GLY ASN          
SEQRES   6 C  133  LEU GLU VAL THR GLY MET TYR MET VAL ASP GLU GLU GLY          
SEQRES   7 C  133  GLU ILE VAL THR ARG ASP VAL ASN ALA LYS PHE ILE ASN          
SEQRES   8 C  133  GLY GLN PRO VAL ALA ILE GLU ALA THR TYR THR MET ARG          
SEQRES   9 C  133  SER PRO GLN GLU TRP ASP ARG PHE ILE ARG PHE MET ASP          
SEQRES  10 C  133  ARG TYR ALA ALA SER HIS GLY LEU GLY PHE GLN LYS SER          
SEQRES  11 C  133  GLU ASN SER                                                  
SEQRES   1 D  133  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY LEU VAL          
SEQRES   2 D  133  PRO ARG GLY SER VAL GLY ALA MET ALA GLU ILE GLN PHE          
SEQRES   3 D  133  ILE ARG GLY ILE ASN GLU GLU VAL VAL PRO ASP VAL ARG          
SEQRES   4 D  133  LEU THR ARG ALA ARG ASP GLY SER SER GLY GLN ALA MET          
SEQRES   5 D  133  PHE TYR PHE ASP ASN PRO LYS ILE VAL GLN GLU GLY ASN          
SEQRES   6 D  133  LEU GLU VAL THR GLY MET TYR MET VAL ASP GLU GLU GLY          
SEQRES   7 D  133  GLU ILE VAL THR ARG ASP VAL ASN ALA LYS PHE ILE ASN          
SEQRES   8 D  133  GLY GLN PRO VAL ALA ILE GLU ALA THR TYR THR MET ARG          
SEQRES   9 D  133  SER PRO GLN GLU TRP ASP ARG PHE ILE ARG PHE MET ASP          
SEQRES  10 D  133  ARG TYR ALA ALA SER HIS GLY LEU GLY PHE GLN LYS SER          
SEQRES  11 D  133  GLU ASN SER                                                  
FORMUL   5  HOH   *53(H2 O)                                                     
HELIX    1   1 PRO A   41  GLY A   47  1                                   7    
HELIX    2   2 SER A   88  HIS A  106  1                                  19    
HELIX    3   3 PRO B   41  GLN B   45  5                                   5    
HELIX    4   4 SER B   88  HIS B  106  1                                  19    
HELIX    5   5 PRO C   41  GLU C   46  1                                   6    
HELIX    6   6 SER C   88  HIS C  106  1                                  19    
HELIX    7   7 PRO D   41  GLU D   46  1                                   6    
HELIX    8   8 SER D   88  HIS D  106  1                                  19    
SHEET    1  AA 3 GLU A   6  GLN A   8  0                                        
SHEET    2  AA 3 MET A  54  ASP A  58 -1  O  TYR A  55   N  GLN A   8           
SHEET    3  AA 3 GLY A  61  THR A  65 -1  O  GLY A  61   N  ASP A  58           
SHEET    1  AB 8 VAL A  68  ILE A  73  0                                        
SHEET    2  AB 8 GLN A  76  MET A  86 -1  O  GLN A  76   N  ILE A  73           
SHEET    3  AB 8 GLY A  32  ASP A  39 -1  O  GLY A  32   N  MET A  86           
SHEET    4  AB 8 ASP A  20  ARG A  25 -1  O  ASP A  20   N  TYR A  37           
SHEET    5  AB 8 ASP B  20  ARG B  25 -1  O  VAL B  21   N  LEU A  23           
SHEET    6  AB 8 GLY B  32  ASP B  39 -1  O  GLN B  33   N  THR B  24           
SHEET    7  AB 8 GLN B  76  MET B  86 -1  O  ILE B  80   N  PHE B  38           
SHEET    8  AB 8 VAL B  68  ILE B  73 -1  O  ASN B  69   N  GLU B  81           
SHEET    1  BA 3 GLU B   6  GLN B   8  0                                        
SHEET    2  BA 3 MET B  54  ASP B  58 -1  O  TYR B  55   N  GLN B   8           
SHEET    3  BA 3 GLY B  61  THR B  65 -1  O  GLY B  61   N  ASP B  58           
SHEET    1  CA 3 ALA C   5  GLN C   8  0                                        
SHEET    2  CA 3 MET C  54  ASP C  58 -1  O  TYR C  55   N  GLN C   8           
SHEET    3  CA 3 GLY C  61  THR C  65 -1  O  GLY C  61   N  ASP C  58           
SHEET    1  CB 8 VAL C  68  ILE C  73  0                                        
SHEET    2  CB 8 GLN C  76  MET C  86 -1  O  GLN C  76   N  ILE C  73           
SHEET    3  CB 8 GLY C  32  ASP C  39 -1  O  GLY C  32   N  MET C  86           
SHEET    4  CB 8 ASP C  20  ARG C  25 -1  O  ASP C  20   N  TYR C  37           
SHEET    5  CB 8 ASP D  20  ARG D  25 -1  O  VAL D  21   N  LEU C  23           
SHEET    6  CB 8 GLY D  32  PHE D  38 -1  O  GLN D  33   N  THR D  24           
SHEET    7  CB 8 GLN D  76  MET D  86 -1  O  ILE D  80   N  PHE D  38           
SHEET    8  CB 8 VAL D  68  ILE D  73 -1  O  ASN D  69   N  GLU D  81           
SHEET    1  DA 4 ILE D  13  ASN D  14  0                                        
SHEET    2  DA 4 GLU D   6  ILE D  10 -1  N  PHE D   9   O  ILE D  13           
SHEET    3  DA 4 MET D  54  ASP D  58 -1  O  TYR D  55   N  GLN D   8           
SHEET    4  DA 4 GLY D  61  THR D  65 -1  O  GLY D  61   N  ASP D  58           
CISPEP   1 GLY B   47    ASN B   48          0        -4.64                     
CRYST1   57.060   57.060  183.320  90.00  90.00  90.00 P 43         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      0.017525  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017525  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005455        0.00000                         
MTRIX1   1  0.983600 -0.179500 -0.018840       -4.53800    1                    
MTRIX2   1 -0.179600 -0.983700 -0.003387      -50.20000    1                    
MTRIX3   1 -0.017930  0.006715 -0.999800       19.21000    1                    
MTRIX1   2  0.983600 -0.179500 -0.018840       -4.53800    1                    
MTRIX2   2 -0.179600 -0.983700 -0.003387      -50.20000    1                    
MTRIX3   2 -0.017930  0.006715 -0.999800       19.21000    1                    
MTRIX1   3 -0.525600  0.537900 -0.659100       77.34000    1                    
MTRIX2   3 -0.262000  0.634700  0.726900       -1.94700    1                    
MTRIX3   3  0.809400  0.554800 -0.192700        0.52180    1                    
MTRIX1   4 -0.505800  0.354600 -0.786400       70.82000    1                    
MTRIX2   4  0.363900 -0.738900 -0.567200      -63.88000    1                    
MTRIX3   4 -0.782200 -0.573000  0.244600       15.07000    1