HEADER    PHOTOSYNTHESIS                          09-APR-10   2XBG              
TITLE     CRYSTAL STRUCTURE OF YCF48 FROM THERMOSYNECHOCOCCUS ELONGATUS         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: YCF48-LIKE PROTEIN;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 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_PLASMID: PRSET-A                                   
KEYWDS    PHOTOSYNTHESIS, PHOTOSYSTEM II, BETA-PROPELLER, ASSEMBLY FACTOR       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.MICHOUX,K.TAKASAKA,P.NIXON,J.W.MURRAY                               
REVDAT   3   08-MAY-24 2XBG    1       REMARK                                   
REVDAT   2   29-AUG-18 2XBG    1       JRNL                                     
REVDAT   1   13-APR-11 2XBG    0                                                
JRNL        AUTH   J.YU,J.KNOPPOVA,F.MICHOUX,W.BIALEK,E.COTA,M.K.SHUKLA,        
JRNL        AUTH 2 A.STRASKOVA,G.PASCUAL AZNAR,R.SOBOTKA,J.KOMENDA,J.W.MURRAY,  
JRNL        AUTH 3 P.J.NIXON                                                    
JRNL        TITL   YCF48 INVOLVED IN THE BIOGENESIS OF THE OXYGEN-EVOLVING      
JRNL        TITL 2 PHOTOSYSTEM II COMPLEX IS A SEVEN-BLADED BETA-PROPELLER      
JRNL        TITL 3 PROTEIN.                                                     
JRNL        REF    PROC. NATL. ACAD. SCI.        V. 115 E7824 2018              
JRNL        REF  2 U.S.A.                                                       
JRNL        REFN                   ESSN 1091-6490                               
JRNL        PMID   30061392                                                     
JRNL        DOI    10.1073/PNAS.1800609115                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0104                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.84                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 50511                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.164                           
REMARK   3   R VALUE            (WORKING SET) : 0.161                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.030                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2542                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3509                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.89                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1850                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 174                          
REMARK   3   BIN FREE R VALUE                    : 0.2750                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2408                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 259                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 15.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.79                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.43500                                             
REMARK   3    B22 (A**2) : 1.27300                                              
REMARK   3    B33 (A**2) : 0.16200                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.084         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.079         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.054         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.186         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.946                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2536 ; 0.012 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3468 ; 2.226 ; 1.938       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   323 ; 6.980 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   120 ;33.054 ;23.667       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   398 ;13.182 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    19 ;22.068 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   366 ; 0.133 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2891 ; 0.013 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   402 ; 0.194 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1159 ; 0.183 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   191 ; 0.159 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     1 ; 0.177 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    51 ; 0.263 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    21 ; 0.268 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1556 ; 2.875 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   638 ; 1.082 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2514 ; 4.230 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   980 ; 5.773 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   948 ; 7.967 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  4256 ; 2.561 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK BULK SOLVENT                                    
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS.                                                          
REMARK   4                                                                      
REMARK   4 2XBG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 09-APR-10.                  
REMARK 100 THE DEPOSITION ID IS D_1290043587.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-JAN-10                          
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                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9184                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 50546                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.870                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 4.210                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 5.4400                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.58                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.65                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.220                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHELXCD                                               
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MAGNESIUM SULFATE, 10% W/V PEG      
REMARK 280  3350.                                                               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
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   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       74.27450            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       74.27450            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       27.86300            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       37.83800            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       27.86300            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       37.83800            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       74.27450            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       27.86300            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       37.83800            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       74.27450            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       27.86300            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       37.83800            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1850 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27110 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.8 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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     MET A    21                                                      
REMARK 465     ARG A    22                                                      
REMARK 465     GLY A    23                                                      
REMARK 465     SER A    24                                                      
REMARK 465     HIS A    25                                                      
REMARK 465     HIS A    26                                                      
REMARK 465     HIS A    27                                                      
REMARK 465     HIS A    28                                                      
REMARK 465     HIS A    29                                                      
REMARK 465     HIS A    30                                                      
REMARK 465     GLY A    31                                                      
REMARK 465     LEU A    32                                                      
REMARK 465     VAL A    33                                                      
REMARK 465     PRO A    34                                                      
REMARK 465     ARG A    35                                                      
REMARK 465     GLY A    36                                                      
REMARK 465     SER A    37                                                      
REMARK 465     PRO A   346                                                      
REMARK 465     ALA A   347                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASN A 268    CG   OD1  ND2                                       
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  2003     O    HOH A  2066     5545     1.72            
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  43   CB  -  CG  -  OD1 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ARG A  91   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ASP A 126   CB  -  CG  -  OD1 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    ASP A 235   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    ASP A 251   CB  -  CG  -  OD2 ANGL. DEV. =   9.7 DEGREES          
REMARK 500    LEU A 335   CB  -  CG  -  CD1 ANGL. DEV. = -10.4 DEGREES          
REMARK 500    LEU A 335   CB  -  CG  -  CD2 ANGL. DEV. =  12.1 DEGREES          
REMARK 500    ARG A 337   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG A 337   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.0 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    LEU A 140      118.22    -38.91                                   
REMARK 500    ASP A 253       19.91     56.20                                   
REMARK 500    ASN A 254       84.11   -150.03                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 ASP A  253     ASN A  254                  149.45                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2XBG A   39   347  UNP    Q8DI95   YC48L_THEEB     39    347             
SEQADV 2XBG MET A   21  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG ARG A   22  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG GLY A   23  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG SER A   24  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG HIS A   25  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG HIS A   26  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG HIS A   27  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG HIS A   28  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG HIS A   29  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG HIS A   30  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG GLY A   31  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG LEU A   32  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG VAL A   33  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG PRO A   34  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG ARG A   35  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG GLY A   36  UNP  Q8DI95              EXPRESSION TAG                 
SEQADV 2XBG SER A   37  UNP  Q8DI95              EXPRESSION TAG                 
SEQRES   1 A  327  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY LEU VAL          
SEQRES   2 A  327  PRO ARG GLY SER ALA ILE PRO ALA LEU ASP TYR ASN PRO          
SEQRES   3 A  327  TRP GLU ALA ILE GLN LEU PRO THR THR ALA THR ILE LEU          
SEQRES   4 A  327  ASP MET SER PHE ILE ASP ARG HIS HIS GLY TRP LEU VAL          
SEQRES   5 A  327  GLY VAL ASN ALA THR LEU MET GLU THR ARG ASP GLY GLY          
SEQRES   6 A  327  GLN THR TRP GLU PRO ARG THR LEU VAL LEU ASP HIS SER          
SEQRES   7 A  327  ASP TYR ARG PHE ASN SER VAL SER PHE GLN GLY ASN GLU          
SEQRES   8 A  327  GLY TRP ILE VAL GLY GLU PRO PRO ILE MET LEU HIS THR          
SEQRES   9 A  327  THR ASP GLY GLY GLN SER TRP SER GLN ILE PRO LEU ASP          
SEQRES  10 A  327  PRO LYS LEU PRO GLY SER PRO ARG LEU ILE LYS ALA LEU          
SEQRES  11 A  327  GLY ASN GLY SER ALA GLU MET ILE THR ASN VAL GLY ALA          
SEQRES  12 A  327  ILE TYR ARG THR LYS ASP SER GLY LYS ASN TRP GLN ALA          
SEQRES  13 A  327  LEU VAL GLN GLU ALA ILE GLY VAL MET ARG ASN LEU ASN          
SEQRES  14 A  327  ARG SER PRO SER GLY GLU TYR VAL ALA VAL SER SER ARG          
SEQRES  15 A  327  GLY SER PHE TYR SER THR TRP GLU PRO GLY GLN THR ALA          
SEQRES  16 A  327  TRP GLU PRO HIS ASN ARG THR THR SER ARG ARG LEU HIS          
SEQRES  17 A  327  ASN MET GLY PHE THR PRO ASP GLY ARG LEU TRP MET ILE          
SEQRES  18 A  327  VAL ASN GLY GLY LYS ILE ALA PHE SER ASP PRO ASP ASN          
SEQRES  19 A  327  SER GLU ASN TRP GLY GLU LEU LEU SER PRO LEU ARG ARG          
SEQRES  20 A  327  ASN SER VAL GLY PHE LEU ASP LEU ALA TYR ARG THR PRO          
SEQRES  21 A  327  ASN GLU VAL TRP LEU ALA GLY GLY ALA GLY ALA LEU LEU          
SEQRES  22 A  327  CYS SER GLN ASP GLY GLY GLN THR TRP GLN GLN ASP VAL          
SEQRES  23 A  327  ASP VAL LYS LYS VAL PRO SER ASN PHE TYR LYS ILE LEU          
SEQRES  24 A  327  PHE PHE SER PRO ASP GLN GLY PHE ILE LEU GLY GLN LYS          
SEQRES  25 A  327  GLY ILE LEU LEU ARG TYR VAL THR ASP LEU THR ALA ALA          
SEQRES  26 A  327  PRO ALA                                                      
FORMUL   2  HOH   *259(H2 O)                                                    
HELIX    1   1 VAL A  306  LYS A  309  5                                   4    
SHEET    1  AA 4 TRP A  47  GLN A  51  0                                        
SHEET    2  AA 4 ILE A 334  TYR A 338 -1  O  LEU A 335   N  ILE A  50           
SHEET    3  AA 4 GLN A 325  LEU A 329 -1  O  GLY A 326   N  TYR A 338           
SHEET    4  AA 4 LYS A 317  SER A 322 -1  O  LYS A 317   N  LEU A 329           
SHEET    1  AB 4 ILE A  58  PHE A  63  0                                        
SHEET    2  AB 4 GLY A  69  GLY A  73 -1  O  TRP A  70   N  SER A  62           
SHEET    3  AB 4 THR A  77  THR A  81 -1  O  THR A  77   N  GLY A  73           
SHEET    4  AB 4 GLU A  89  PRO A  90 -1  O  GLU A  89   N  GLU A  80           
SHEET    1  AC 4 ARG A 101  GLN A 108  0                                        
SHEET    2  AC 4 GLU A 111  GLU A 117 -1  O  GLU A 111   N  GLN A 108           
SHEET    3  AC 4 ILE A 120  THR A 124 -1  O  ILE A 120   N  GLY A 116           
SHEET    4  AC 4 SER A 132  GLN A 133 -1  O  SER A 132   N  HIS A 123           
SHEET    1  AD 4 PRO A 144  GLY A 151  0                                        
SHEET    2  AD 4 SER A 154  THR A 159 -1  O  SER A 154   N  LEU A 150           
SHEET    3  AD 4 ILE A 164  THR A 167 -1  O  TYR A 165   N  MET A 157           
SHEET    4  AD 4 TRP A 174  VAL A 178 -1  O  GLN A 175   N  ARG A 166           
SHEET    1  AE 4 MET A 185  ARG A 190  0                                        
SHEET    2  AE 4 TYR A 196  SER A 200 -1  O  VAL A 197   N  ASN A 189           
SHEET    3  AE 4 PHE A 205  TRP A 209 -1  O  PHE A 205   N  SER A 200           
SHEET    4  AE 4 GLU A 217  ASN A 220 -1  O  GLU A 217   N  THR A 208           
SHEET    1  AF 4 LEU A 227  PHE A 232  0                                        
SHEET    2  AF 4 LEU A 238  VAL A 242 -1  O  TRP A 239   N  GLY A 231           
SHEET    3  AF 4 LYS A 246  ASP A 251 -1  O  LYS A 246   N  VAL A 242           
SHEET    4  AF 4 ASN A 254  TRP A 258 -1  N  ASN A 254   O  ASP A 251           
SHEET    1  AG 4 PHE A 272  TYR A 277  0                                        
SHEET    2  AG 4 VAL A 283  GLY A 287 -1  O  TRP A 284   N  ALA A 276           
SHEET    3  AG 4 LEU A 292  SER A 295 -1  O  LEU A 293   N  LEU A 285           
SHEET    4  AG 4 GLN A 303  GLN A 304 -1  O  GLN A 303   N  CYS A 294           
CISPEP   1 GLU A  117    PRO A  118          0        -9.99                     
CRYST1   55.726   75.676  148.549  90.00  90.00  90.00 C 2 2 21      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      0.017945  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013214  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006732        0.00000