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Database: PDB
Entry: 1T3S
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HEADER    TRANSPORT PROTEIN                       27-APR-04   1T3S              
TITLE     STRUCTURAL ANALYSIS OF THE VOLTAGE-DEPENDENT CALCIUM CHANNEL BETA     
TITLE    2 SUBUNIT FUNCTIONAL CORE                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROPYRIDINE-SENSITIVE L-TYPE, CALCIUM CHANNEL BETA-2   
COMPND   3 SUBUNIT;                                                             
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: FUNCTIONAL CORE (RESIDUES 25-422);                         
COMPND   6 SYNONYM: VOLTAGE-DEPENDENT CALCIUM CHANNEL BETA-2 SUBUNIT, CAB2;     
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS;                          
SOURCE   3 ORGANISM_COMMON: RABBIT;                                             
SOURCE   4 ORGANISM_TAXID: 9986;                                                
SOURCE   5 GENE: CACNB2, CACNLB2;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET21                                     
KEYWDS    SH3 DOMAIN, GUANYLATE KINASE DOMAIN, TRANSPORT PROTEIN                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.OPATOWSKY,C.-C.CHEN,K.P.CAMPBELL,J.A.HIRSCH                         
REVDAT   7   03-APR-24 1T3S    1       REMARK                                   
REVDAT   6   14-FEB-24 1T3S    1       REMARK                                   
REVDAT   5   27-OCT-21 1T3S    1       REMARK SEQADV                            
REVDAT   4   23-AUG-17 1T3S    1       SOURCE                                   
REVDAT   3   12-FEB-14 1T3S    1       JRNL   VERSN                             
REVDAT   2   24-FEB-09 1T3S    1       VERSN                                    
REVDAT   1   25-MAY-04 1T3S    0                                                
JRNL        AUTH   Y.OPATOWSKY,C.C.CHEN,K.P.CAMPBELL,J.A.HIRSCH                 
JRNL        TITL   STRUCTURAL ANALYSIS OF THE VOLTAGE-DEPENDENT CALCIUM CHANNEL 
JRNL        TITL 2 BETA SUBUNIT FUNCTIONAL CORE AND ITS COMPLEX WITH THE ALPHA  
JRNL        TITL 3 1 INTERACTION DOMAIN.                                        
JRNL        REF    NEURON                        V.  42   387 2004              
JRNL        REFN                   ISSN 0896-6273                               
JRNL        PMID   15134636                                                     
JRNL        DOI    10.1093/HMG/DDH162                                           
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Y.OPATOWSKY,O.CHOMSKY-HECHT,J.A.HIRSCH                       
REMARK   1  TITL   EXPRESSION, PURIFICATION AND CRYSTALLIZATION OF A FUNCTIONAL 
REMARK   1  TITL 2 CORE OF THE VOLTAGE-DEPENDENT CALCIUM CHANNEL BETA SUBUNIT   
REMARK   1  REF    TO BE PUBLISHED                                              
REMARK   1  REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 81.65                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 17294                          
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) : 0.262                           
REMARK   3   R VALUE            (WORKING SET) : 0.261                           
REMARK   3   FREE R VALUE                     : 0.277                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 935                             
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.36                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1168                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3770                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 70                           
REMARK   3   BIN FREE R VALUE                    : 0.3430                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2282                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 87                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 57.76                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.86000                                             
REMARK   3    B22 (A**2) : 5.23000                                              
REMARK   3    B33 (A**2) : -1.37000                                             
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): 0.346         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.246         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.926                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.912                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2327 ; 0.008 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2148 ; 0.000 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3159 ; 1.536 ; 1.952       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  4994 ; 3.506 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   291 ; 1.213 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   365 ; 0.108 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2580 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   449 ; 0.006 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   652 ; 0.241 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2542 ; 0.302 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1174 ; 0.109 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    78 ; 0.161 ; 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):     9 ; 0.167 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    35 ; 0.267 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     2 ; 0.039 ; 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):  1476 ; 1.559 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2377 ; 2.705 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   851 ; 2.323 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   782 ; 3.492 ; 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):  NULL ;  NULL ;  NULL       
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 : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1T3S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAY-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022275.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 9                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9333                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18271                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: MODEL BUILT FROM EARLIER MAD DATA                    
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.26                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 20K, BICINE, SODIUM CHLORIDE, BETA   
REMARK 280  -MERCAPTOETHANOL, MPD, PH 9, VAPOR DIFFUSION, HANGING DROP,         
REMARK 280  TEMPERATURE 292K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       37.03300            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       81.92050            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       37.03300            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       81.92050            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     SER A    25                                                      
REMARK 465     ARG A    26                                                      
REMARK 465     PRO A    27                                                      
REMARK 465     SER A    28                                                      
REMARK 465     ASP A    29                                                      
REMARK 465     SER A    30                                                      
REMARK 465     ASP A    31                                                      
REMARK 465     VAL A    32                                                      
REMARK 465     SER A    33                                                      
REMARK 465     LEU A    34                                                      
REMARK 465     HIS A   203                                                      
REMARK 465     SER A   204                                                      
REMARK 465     LYS A   205                                                      
REMARK 465     GLU A   206                                                      
REMARK 465     LYS A   207                                                      
REMARK 465     ARG A   208                                                      
REMARK 465     MET A   209                                                      
REMARK 465     PRO A   210                                                      
REMARK 465     PHE A   211                                                      
REMARK 465     PHE A   212                                                      
REMARK 465     LYS A   213                                                      
REMARK 465     LYS A   214                                                      
REMARK 465     THR A   215                                                      
REMARK 465     GLU A   216                                                      
REMARK 465     HIS A   217                                                      
REMARK 465     PRO A   282                                                      
REMARK 465     SER A   283                                                      
REMARK 465     LYS A   284                                                      
REMARK 465     HIS A   285                                                      
REMARK 465     ALA A   286                                                      
REMARK 465     ILE A   287                                                      
REMARK 465     ILE A   288                                                      
REMARK 465     GLU A   289                                                      
REMARK 465     ARG A   290                                                      
REMARK 465     SER A   291                                                      
REMARK 465     ASN A   292                                                      
REMARK 465     ASN A   416                                                      
REMARK 465     LEU A   417                                                      
REMARK 465     PRO A   418                                                      
REMARK 465     ASN A   419                                                      
REMARK 465     PRO A   420                                                      
REMARK 465     LEU A   421                                                      
REMARK 465     LEU A   422                                                      
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     ASP A  37    CG   OD1  OD2                                       
REMARK 470     ARG A  38    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A  39    CG   CD   OE1  OE2                                  
REMARK 470     VAL A  41    CG1  CG2                                            
REMARK 470     ARG A  43    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  55    CG   CD   CE   NZ                                   
REMARK 470     ASP A  77    CG   OD1  OD2                                       
REMARK 470     ASP A  78    CG   OD1  OD2                                       
REMARK 470     LYS A 111    CG   CD   CE   NZ                                   
REMARK 470     LYS A 137    CD   CE   NZ                                        
REMARK 470     LYS A 140    CG   CD   CE   NZ                                   
REMARK 470     LYS A 332    CD   CE   NZ                                        
REMARK 470     LYS A 348    CG   CD   CE   NZ                                   
REMARK 470     ARG A 352    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 359    CG   CD   CE   NZ                                   
REMARK 470     LYS A 363    CG   CD   CE   NZ                                   
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    PRO A 412   C   -  N   -  CA  ANGL. DEV. =   9.2 DEGREES          
REMARK 500    PRO A 412   C   -  N   -  CD  ANGL. DEV. = -15.7 DEGREES          
REMARK 500    PRO A 413   C   -  N   -  CA  ANGL. DEV. =   9.9 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    ASP A  77     -154.47   -106.77                                   
REMARK 500    PRO A  82      125.56    -36.70                                   
REMARK 500    SER A 236     -147.59   -135.89                                   
REMARK 500    TYR A 240     -131.21    -94.51                                   
REMARK 500    GLU A 241      -47.73   -132.41                                   
REMARK 500    ARG A 261       21.42   -145.26                                   
REMARK 500    ALA A 274       36.42    -75.19                                   
REMARK 500    ARG A 294      -93.27    -63.50                                   
REMARK 500    SER A 356       20.09    -66.45                                   
REMARK 500    GLN A 361      -28.45   -151.30                                   
REMARK 500    VAL A 367        3.64    -65.25                                   
REMARK 500    ASP A 388       58.80   -118.74                                   
REMARK 500    HIS A 411      -96.18   -122.33                                   
REMARK 500    PRO A 412      159.69     32.38                                   
REMARK 500    PRO A 413      128.55     -2.49                                   
REMARK 500    SER A 414       41.78     76.90                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 1                    
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1T3L   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCE OF THE PROTEIN IS FROM                                  
REMARK 999 SWISSPROT P54288, ISOFORM 2A.                                        
REMARK 999 RESIDUES 138-141 IN THE COORDINATES WERE                             
REMARK 999 INTRODUCED INTO THE PROTEIN. THEY REPLACE                            
REMARK 999 RESIDUES 138-202 FROM THE NATIVE SEQUENCE.                           
DBREF  1T3S A   25   137  UNP    P54288   CACB2_RABIT     25    137             
DBREF  1T3S A  203   422  UNP    P54288   CACB2_RABIT    203    422             
SEQADV 1T3S ARG A  122  UNP  P54288    PRO   122 ENGINEERED MUTATION            
SEQADV 1T3S GLU A  138  UNP  P54288              SEE REMARK 999                 
SEQADV 1T3S PHE A  139  UNP  P54288              SEE REMARK 999                 
SEQADV 1T3S LYS A  140  UNP  P54288              SEE REMARK 999                 
SEQADV 1T3S LEU A  141  UNP  P54288              SEE REMARK 999                 
SEQRES   1 A  337  SER ARG PRO SER ASP SER ASP VAL SER LEU GLU GLU ASP          
SEQRES   2 A  337  ARG GLU ALA VAL ARG ARG GLU ALA GLU ARG GLN ALA GLN          
SEQRES   3 A  337  ALA GLN LEU GLU LYS ALA LYS THR LYS PRO VAL ALA PHE          
SEQRES   4 A  337  ALA VAL ARG THR ASN VAL SER TYR SER ALA ALA HIS GLU          
SEQRES   5 A  337  ASP ASP VAL PRO VAL PRO GLY MET ALA ILE SER PHE GLU          
SEQRES   6 A  337  ALA LYS ASP PHE LEU HIS VAL LYS GLU LYS PHE ASN ASN          
SEQRES   7 A  337  ASP TRP TRP ILE GLY ARG LEU VAL LYS GLU GLY CYS GLU          
SEQRES   8 A  337  ILE GLY PHE ILE PRO SER ARG VAL LYS LEU GLU ASN MET          
SEQRES   9 A  337  ARG LEU GLN HIS GLU GLN ARG ALA LYS GLU PHE LYS LEU          
SEQRES  10 A  337  HIS SER LYS GLU LYS ARG MET PRO PHE PHE LYS LYS THR          
SEQRES  11 A  337  GLU HIS THR PRO PRO TYR ASP VAL VAL PRO SER MET ARG          
SEQRES  12 A  337  PRO VAL VAL LEU VAL GLY PRO SER LEU LYS GLY TYR GLU          
SEQRES  13 A  337  VAL THR ASP MET MET GLN LYS ALA LEU PHE ASP PHE LEU          
SEQRES  14 A  337  LYS HIS ARG PHE GLU GLY ARG ILE SER ILE THR ARG VAL          
SEQRES  15 A  337  THR ALA ASP ILE SER LEU ALA LYS ARG SER VAL LEU ASN          
SEQRES  16 A  337  ASN PRO SER LYS HIS ALA ILE ILE GLU ARG SER ASN THR          
SEQRES  17 A  337  ARG SER SER LEU ALA GLU VAL GLN SER GLU ILE GLU ARG          
SEQRES  18 A  337  ILE PHE GLU LEU ALA ARG THR LEU GLN LEU VAL VAL LEU          
SEQRES  19 A  337  ASP ALA ASP THR ILE ASN HIS PRO ALA GLN LEU SER LYS          
SEQRES  20 A  337  THR SER LEU ALA PRO ILE VAL VAL TYR VAL LYS ILE SER          
SEQRES  21 A  337  SER PRO LYS VAL LEU GLN ARG LEU ILE LYS SER ARG GLY          
SEQRES  22 A  337  LYS SER GLN ALA LYS HIS LEU ASN VAL GLN MET VAL ALA          
SEQRES  23 A  337  ALA ASP LYS LEU ALA GLN CYS PRO PRO GLU LEU PHE ASP          
SEQRES  24 A  337  VAL ILE LEU ASP GLU ASN GLN LEU GLU ASP ALA CYS GLU          
SEQRES  25 A  337  HIS LEU ALA ASP TYR LEU GLU ALA TYR TRP LYS ALA THR          
SEQRES  26 A  337  HIS PRO PRO SER SER ASN LEU PRO ASN PRO LEU LEU              
HET     HG  A   1       1                                                       
HETNAM      HG MERCURY (II) ION                                                 
FORMUL   2   HG    HG 2+                                                        
FORMUL   3  HOH   *87(H2 O)                                                     
HELIX    1   1 ASP A   37  ALA A   56  1                                  20    
HELIX    2   2 SER A  121  PHE A  139  1                                  19    
HELIX    3   3 GLU A  241  PHE A  258  1                                  18    
HELIX    4   4 ASP A  270  ALA A  274  5                                   5    
HELIX    5   5 LYS A  275  ASN A  280  1                                   6    
HELIX    6   6 SER A  296  ARG A  312  1                                  17    
HELIX    7   7 HIS A  326  SER A  331  5                                   6    
HELIX    8   8 SER A  346  SER A  356  1                                  11    
HELIX    9   9 GLY A  358  LYS A  363  1                                   6    
HELIX   10  10 LEU A  365  CYS A  378  1                                  14    
HELIX   11  11 PRO A  379  PHE A  383  5                                   5    
HELIX   12  12 GLN A  391  HIS A  411  1                                  21    
SHEET    1   A 5 GLY A 117  PRO A 120  0                                        
SHEET    2   A 5 TRP A 104  LEU A 109 -1  N  TRP A 105   O  ILE A 119           
SHEET    3   A 5 PHE A  93  LYS A  99 -1  N  GLU A  98   O  ILE A 106           
SHEET    4   A 5 PHE A  63  THR A  67 -1  N  PHE A  63   O  VAL A  96           
SHEET    5   A 5 TYR A 221  VAL A 224 -1  O  VAL A 224   N  ALA A  64           
SHEET    1   B 5 ILE A 262  VAL A 267  0                                        
SHEET    2   B 5 LEU A 316  ALA A 321  1  O  ASP A 320   N  VAL A 267           
SHEET    3   B 5 VAL A 230  VAL A 233  1  N  VAL A 230   O  LEU A 319           
SHEET    4   B 5 ILE A 338  VAL A 342  1  O  VAL A 340   N  VAL A 231           
SHEET    5   B 5 VAL A 385  LEU A 387  1  O  LEU A 387   N  TYR A 341           
LINK        HG    HG A   1                 SG  CYS A 114     1555   1555  2.75  
CISPEP   1 THR A  218    PRO A  219          0        -0.76                     
CISPEP   2 GLY A  234    PRO A  235          0        -1.20                     
SITE     1 AC1  1 CYS A 114                                                     
CRYST1   74.066  163.841   34.761  90.00  90.00  90.00 P 21 21 2     4          
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      0.013501  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006103  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.028768        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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