HEADER    PROTEIN BINDING                         03-DEC-09   3KXE              
TITLE     A CONSERVED MODE OF PROTEIN RECOGNITION AND BINDING IN A PARD-PARE    
TITLE    2 TOXIN-ANTITOXIN COMPLEX                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TOXIN PROTEIN PARE-1;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: ANTITOXIN PROTEIN PARD-1;                                  
COMPND   7 CHAIN: C, D;                                                         
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CAULOBACTER CRESCENTUS NA1000;                  
SOURCE   3 ORGANISM_TAXID: 565050;                                              
SOURCE   4 STRAIN: NA1000 / CB15N;                                              
SOURCE   5 GENE: CCNA_00916, PARD-1, PARE-1;                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET-DUET1;                                
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: CAULOBACTER CRESCENTUS NA1000;                  
SOURCE  13 ORGANISM_TAXID: 565050;                                              
SOURCE  14 STRAIN: NA1000 / CB15N;                                              
SOURCE  15 GENE: CCNA_00917, PARD-1, PARE-1;                                    
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PET-DUET1                                 
KEYWDS    TOXIN, ANTITOXIN, COMPLEX, CAULOBACTER, TA SYSTEM, PROTEIN BINDING    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.CROSSON,K.DALTON                                                    
REVDAT   3   20-NOV-24 3KXE    1       SEQADV LINK                              
REVDAT   2   23-MAR-10 3KXE    1       JRNL                                     
REVDAT   1   23-FEB-10 3KXE    0                                                
JRNL        AUTH   K.M.DALTON,S.CROSSON                                         
JRNL        TITL   A CONSERVED MODE OF PROTEIN RECOGNITION AND BINDING IN A     
JRNL        TITL 2 PARD-PARE TOXIN-ANTITOXIN COMPLEX.                           
JRNL        REF    BIOCHEMISTRY                  V.  49  2205 2010              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   20143871                                                     
JRNL        DOI    10.1021/BI902133S                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 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) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 33.96                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 11141                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.239                           
REMARK   3   R VALUE            (WORKING SET) : 0.237                           
REMARK   3   FREE R VALUE                     : 0.292                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.760                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 557                             
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 33.9629 -  4.1189    0.99     2924   145  0.2347 0.2656        
REMARK   3     2  4.1189 -  3.2701    1.00     2819   128  0.2139 0.2688        
REMARK   3     3  3.2701 -  2.8570    1.00     2766   150  0.2532 0.3322        
REMARK   3     4  2.8570 -  2.6000    0.96     2645   134  0.2690 0.3575        
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              : 0.32                                          
REMARK   3   B_SOL              : 27.25                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.380            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.014           2731                                  
REMARK   3   ANGLE     :  1.540           3677                                  
REMARK   3   CHIRALITY :  0.101            387                                  
REMARK   3   PLANARITY :  0.006            493                                  
REMARK   3   DIHEDRAL  : 20.151           1001                                  
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 : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3KXE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-DEC-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000056566.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-FEB-09; NULL                    
REMARK 200  TEMPERATURE           (KELVIN) : 100; NULL                          
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : APS; APS                           
REMARK 200  BEAMLINE                       : 24-ID-E; 21-ID-D                   
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97; 0.97                         
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL; NULL               
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; NULL                          
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4R; NULL              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11711                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 33.960                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.500                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL                        
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.49                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MES, 100 MM (NH4)2HPO3, 10% PEG   
REMARK 280  20,000, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   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       32.86750            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.40700            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.35350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.40700            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       32.86750            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       36.35350            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
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: 10710 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 16380 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -59.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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     MSE A   -13                                                      
REMARK 465     GLY A   -12                                                      
REMARK 465     SER A   -11                                                      
REMARK 465     SER A   -10                                                      
REMARK 465     HIS A    -9                                                      
REMARK 465     HIS A    -8                                                      
REMARK 465     HIS A    -7                                                      
REMARK 465     HIS A    -6                                                      
REMARK 465     HIS A    -5                                                      
REMARK 465     HIS A    -4                                                      
REMARK 465     SER A    -3                                                      
REMARK 465     GLN A    -2                                                      
REMARK 465     ASP A    -1                                                      
REMARK 465     PRO A     0                                                      
REMARK 465     MSE A     1                                                      
REMARK 465     GLY A    96                                                      
REMARK 465     MSE B   -13                                                      
REMARK 465     GLY B   -12                                                      
REMARK 465     SER B   -11                                                      
REMARK 465     SER B   -10                                                      
REMARK 465     HIS B    -9                                                      
REMARK 465     HIS B    -8                                                      
REMARK 465     HIS B    -7                                                      
REMARK 465     HIS B    -6                                                      
REMARK 465     HIS B    -5                                                      
REMARK 465     HIS B    -4                                                      
REMARK 465     SER B    -3                                                      
REMARK 465     GLN B    -2                                                      
REMARK 465     ASP B    -1                                                      
REMARK 465     PRO B     0                                                      
REMARK 465     MSE B     1                                                      
REMARK 465     GLY B    96                                                      
REMARK 465     MET C     1                                                      
REMARK 465     ALA C     2                                                      
REMARK 465     SER C     3                                                      
REMARK 465     LYS C     4                                                      
REMARK 465     SER C    80                                                      
REMARK 465     ALA C    81                                                      
REMARK 465     PRO C    82                                                      
REMARK 465     GLN C    83                                                      
REMARK 465     GLY C    84                                                      
REMARK 465     PHE C    85                                                      
REMARK 465     HIS C    86                                                      
REMARK 465     GLU C    87                                                      
REMARK 465     GLU C    88                                                      
REMARK 465     MET D     1                                                      
REMARK 465     ALA D     2                                                      
REMARK 465     SER D     3                                                      
REMARK 465     LYS D     4                                                      
REMARK 465     ALA D    79                                                      
REMARK 465     SER D    80                                                      
REMARK 465     ALA D    81                                                      
REMARK 465     PRO D    82                                                      
REMARK 465     GLN D    83                                                      
REMARK 465     GLY D    84                                                      
REMARK 465     PHE D    85                                                      
REMARK 465     HIS D    86                                                      
REMARK 465     GLU D    87                                                      
REMARK 465     GLU D    88                                                      
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   OD2  ASP B    54     NH2  ARG B    63              2.04            
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    HIS A  47       74.92   -111.49                                   
REMARK 500    THR D   6     -173.05    -67.46                                   
REMARK 500    SER D  77       27.59   -150.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3KXE A    1    96  UNP    B8H242   B8H242_CAUCN     1     96             
DBREF  3KXE B    1    96  UNP    B8H242   B8H242_CAUCN     1     96             
DBREF  3KXE D    1    88  UNP    B8H243   B8H243_CAUCN     1     88             
DBREF  3KXE C    1    88  UNP    B8H243   B8H243_CAUCN     1     88             
SEQADV 3KXE MSE A  -13  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE GLY A  -12  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE SER A  -11  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE SER A  -10  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS A   -9  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS A   -8  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS A   -7  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS A   -6  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS A   -5  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS A   -4  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE SER A   -3  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE GLN A   -2  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE ASP A   -1  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE PRO A    0  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE MSE B  -13  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE GLY B  -12  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE SER B  -11  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE SER B  -10  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS B   -9  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS B   -8  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS B   -7  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS B   -6  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS B   -5  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE HIS B   -4  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE SER B   -3  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE GLN B   -2  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE ASP B   -1  UNP  B8H242              EXPRESSION TAG                 
SEQADV 3KXE PRO B    0  UNP  B8H242              EXPRESSION TAG                 
SEQRES   1 A  110  MSE GLY SER SER HIS HIS HIS HIS HIS HIS SER GLN ASP          
SEQRES   2 A  110  PRO MSE LYS PRO TYR ARG LEU SER ARG ARG ALA LYS ALA          
SEQRES   3 A  110  ASP LEU ASP ASP ILE TRP THR TYR SER GLU GLN ARG TRP          
SEQRES   4 A  110  GLY VAL GLU GLN ALA ALA ASP TYR ALA ARG GLU LEU GLN          
SEQRES   5 A  110  ALA THR ILE GLU MSE ILE ALA GLU HIS PRO GLY MSE GLY          
SEQRES   6 A  110  GLN PRO ASP GLU ASN LEU ARG ALA GLY TYR ARG ARG CYS          
SEQRES   7 A  110  ALA SER GLY SER HIS VAL VAL PHE TYR ARG VAL GLY VAL          
SEQRES   8 A  110  ARG VAL GLU ILE ILE ARG VAL LEU HIS GLN SER MSE ASN          
SEQRES   9 A  110  ALA ARG ALA HIS LEU GLY                                      
SEQRES   1 B  110  MSE GLY SER SER HIS HIS HIS HIS HIS HIS SER GLN ASP          
SEQRES   2 B  110  PRO MSE LYS PRO TYR ARG LEU SER ARG ARG ALA LYS ALA          
SEQRES   3 B  110  ASP LEU ASP ASP ILE TRP THR TYR SER GLU GLN ARG TRP          
SEQRES   4 B  110  GLY VAL GLU GLN ALA ALA ASP TYR ALA ARG GLU LEU GLN          
SEQRES   5 B  110  ALA THR ILE GLU MSE ILE ALA GLU HIS PRO GLY MSE GLY          
SEQRES   6 B  110  GLN PRO ASP GLU ASN LEU ARG ALA GLY TYR ARG ARG CYS          
SEQRES   7 B  110  ALA SER GLY SER HIS VAL VAL PHE TYR ARG VAL GLY VAL          
SEQRES   8 B  110  ARG VAL GLU ILE ILE ARG VAL LEU HIS GLN SER MSE ASN          
SEQRES   9 B  110  ALA ARG ALA HIS LEU GLY                                      
SEQRES   1 C   88  MET ALA SER LYS ASN THR SER VAL VAL LEU GLY ASP HIS          
SEQRES   2 C   88  PHE GLN ALA PHE ILE ASP SER GLN VAL ALA ASP GLY ARG          
SEQRES   3 C   88  TYR GLY SER ALA SER GLU VAL ILE ARG ALA GLY LEU ARG          
SEQRES   4 C   88  LEU LEU GLU GLU ASN GLU ALA LYS LEU ALA ALA LEU ARG          
SEQRES   5 C   88  ALA ALA LEU ILE GLU GLY GLU GLU SER GLY PHE ILE GLU          
SEQRES   6 C   88  ASP PHE ASP PHE ASP ALA PHE ILE GLU GLU ARG SER ARG          
SEQRES   7 C   88  ALA SER ALA PRO GLN GLY PHE HIS GLU GLU                      
SEQRES   1 D   88  MET ALA SER LYS ASN THR SER VAL VAL LEU GLY ASP HIS          
SEQRES   2 D   88  PHE GLN ALA PHE ILE ASP SER GLN VAL ALA ASP GLY ARG          
SEQRES   3 D   88  TYR GLY SER ALA SER GLU VAL ILE ARG ALA GLY LEU ARG          
SEQRES   4 D   88  LEU LEU GLU GLU ASN GLU ALA LYS LEU ALA ALA LEU ARG          
SEQRES   5 D   88  ALA ALA LEU ILE GLU GLY GLU GLU SER GLY PHE ILE GLU          
SEQRES   6 D   88  ASP PHE ASP PHE ASP ALA PHE ILE GLU GLU ARG SER ARG          
SEQRES   7 D   88  ALA SER ALA PRO GLN GLY PHE HIS GLU GLU                      
MODRES 3KXE MSE A   43  MET  SELENOMETHIONINE                                   
MODRES 3KXE MSE A   50  MET  SELENOMETHIONINE                                   
MODRES 3KXE MSE A   89  MET  SELENOMETHIONINE                                   
MODRES 3KXE MSE B   43  MET  SELENOMETHIONINE                                   
MODRES 3KXE MSE B   50  MET  SELENOMETHIONINE                                   
MODRES 3KXE MSE B   89  MET  SELENOMETHIONINE                                   
HET    MSE  A  43       8                                                       
HET    MSE  A  50       8                                                       
HET    MSE  A  89       8                                                       
HET    MSE  B  43       8                                                       
HET    MSE  B  50       8                                                       
HET    MSE  B  89       8                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
FORMUL   1  MSE    6(C5 H11 N O2 SE)                                            
FORMUL   5  HOH   *46(H2 O)                                                     
HELIX    1   1 ARG A    8  GLY A   26  1                                  19    
HELIX    2   2 GLY A   26  HIS A   47  1                                  22    
HELIX    3   3 PRO A   48  GLY A   51  5                                   4    
HELIX    4   4 ARG B    8  GLY B   26  1                                  19    
HELIX    5   5 GLY B   26  HIS B   47  1                                  22    
HELIX    6   6 PRO B   48  GLY B   51  5                                   4    
HELIX    7   7 SER B   88  ASN B   90  5                                   3    
HELIX    8  11 GLY C   11  ALA C   23  1                                  13    
HELIX    9  12 SER C   29  SER C   61  1                                  33    
HELIX   10  13 ASP C   68  ALA C   79  1                                  12    
HELIX   11   8 GLY D   11  ASP D   24  1                                  14    
HELIX   12   9 SER D   29  GLU D   60  1                                  32    
HELIX   13  10 ASP D   68  ARG D   76  1                                   9    
SHEET    1   A 7 GLN A  52  PRO A  53  0                                        
SHEET    2   A 7 TYR A  61  GLY A  67 -1  O  ARG A  63   N  GLN A  52           
SHEET    3   A 7 ARG B  62  GLY B  67 -1  O  GLY B  67   N  ALA A  65           
SHEET    4   A 7 HIS B  69  VAL B  75 -1  O  TYR B  73   N  ARG B  62           
SHEET    5   A 7 VAL B  79  HIS B  86 -1  O  GLU B  80   N  ARG B  74           
SHEET    6   A 7 ARG B   5  SER B   7  1  N  ARG B   5   O  VAL B  79           
SHEET    7   A 7 PHE D  63  ILE D  64 -1  O  ILE D  64   N  LEU B   6           
SHEET    1   B 7 GLN B  52  PRO B  53  0                                        
SHEET    2   B 7 ARG B  62  GLY B  67 -1  O  ARG B  63   N  GLN B  52           
SHEET    3   B 7 TYR A  61  GLY A  67 -1  N  ALA A  65   O  GLY B  67           
SHEET    4   B 7 HIS A  69  VAL A  75 -1  O  TYR A  73   N  ARG A  62           
SHEET    5   B 7 VAL A  79  HIS A  86 -1  O  GLU A  80   N  ARG A  74           
SHEET    6   B 7 TYR A   4  SER A   7  1  N  ARG A   5   O  VAL A  79           
SHEET    7   B 7 PHE C  63  ILE C  64 -1  O  ILE C  64   N  LEU A   6           
SHEET    1   C 2 THR D   6  VAL D   8  0                                        
SHEET    2   C 2 THR C   6  VAL C   8 -1  O  THR C   6   N  VAL D   8           
LINK         C   GLU A  42                 N   MSE A  43     1555   1555  1.33  
LINK         C   MSE A  43                 N   ILE A  44     1555   1555  1.32  
LINK         C   GLY A  49                 N   MSE A  50     1555   1555  1.33  
LINK         C   MSE A  50                 N   GLY A  51     1555   1555  1.33  
LINK         C   SER A  88                 N   MSE A  89     1555   1555  1.34  
LINK         C   MSE A  89                 N   ASN A  90     1555   1555  1.33  
LINK         C   GLU B  42                 N   MSE B  43     1555   1555  1.32  
LINK         C   MSE B  43                 N   ILE B  44     1555   1555  1.32  
LINK         C   GLY B  49                 N   MSE B  50     1555   1555  1.33  
LINK         C   MSE B  50                 N   GLY B  51     1555   1555  1.31  
LINK         C   SER B  88                 N   MSE B  89     1555   1555  1.33  
LINK         C   MSE B  89                 N   ASN B  90     1555   1555  1.34  
CRYST1   65.735   72.707   76.814  90.00  90.00  90.00 P 21 21 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      0.015213  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013754  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013018        0.00000