PDB Short entry for 1CX4
HEADER    SIGNALING PROTEIN                       28-AUG-99   1CX4              
TITLE     CRYSTAL STRUCTURE OF A DELETION MUTANT OF THE TYPE II BETA REGULATORY 
TITLE    2 SUBUNIT OF CAMP-DEPENDENT PROTEIN KINASE                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CAMP-DEPENDENT PROTEIN KINASE REGULATORY SUBUNIT TYPE II   
COMPND   3 BETA;                                                                
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: CAMP BINDING DOMAINS;                                      
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: INVITROGEN PRSET B                        
KEYWDS    BETA BARREL, CAMP-DEPENDENT PROTEIN KINASE, CAMP-BINDING, REGULATORY  
KEYWDS   2 SUBUNIT, SIGNALING PROTEIN                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.C.DILLER,N.H.XUONG,S.S.TAYLOR                                       
REVDAT   4   07-FEB-24 1CX4    1       REMARK SHEET                             
REVDAT   3   24-FEB-09 1CX4    1       VERSN                                    
REVDAT   2   28-OCT-03 1CX4    1       SOURCE AUTHOR JRNL   REMARK              
REVDAT   2 2                   1       MASTER                                   
REVDAT   1   07-MAR-01 1CX4    0                                                
JRNL        AUTH   T.C.DILLER,MADHUSUDAN,N.H.XUONG,S.S.TAYLOR                   
JRNL        TITL   MOLECULAR BASIS FOR REGULATORY SUBUNIT DIVERSITY IN          
JRNL        TITL 2 CAMP-DEPENDENT PROTEIN KINASE: CRYSTAL STRUCTURE OF THE TYPE 
JRNL        TITL 3 II BETA REGULATORY SUBUNIT.                                  
JRNL        REF    STRUCTURE                     V.   9    73 2001              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   11342137                                                     
JRNL        DOI    10.1016/S0969-2126(00)00556-6                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   T.C.DILLER,N.H.XUONG,S.S.TAYLOR                              
REMARK   1  TITL   TYPE II BETA REGULATORY SUBUNIT OF CAMP-DEPENDENT PROTEIN    
REMARK   1  TITL 2 KINASE: PURIFICATION STRATEGIES TO OPTIMIZE CRYSTALLIZATION. 
REMARK   1  REF    PROTEIN EXPR.PURIF.           V.  20   357 2000              
REMARK   1  REFN                   ISSN 1046-5928                               
REMARK   1  PMID   11087674                                                     
REMARK   1  DOI    10.1006/PREP.2000.1312                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.45 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.5                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.45                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 23.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 21958                          
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 SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.198                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.955                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2186                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.45                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.56                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.95                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2403                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2461                       
REMARK   3   BIN FREE R VALUE                    : 0.2705                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.17                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 272                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.020                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2163                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 44                                      
REMARK   3   SOLVENT ATOMS            : 192                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 36.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 43.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.73000                                              
REMARK   3    B22 (A**2) : 2.73000                                              
REMARK   3    B33 (A**2) : -5.45000                                             
REMARK   3    B12 (A**2) : 7.64000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.27                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.28                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.31                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.760                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.840 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.060 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.170 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.770 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.33                                                 
REMARK   3   BSOL        : 49.37                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : CMP.PARAM                                      
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : CMP.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  INSUFFICIENT ELECTRON DENSITY EXISTED IN MAPS TO INCLUDE RESIDUE    
REMARK   3  RANGES 112-                                                         
REMARK   3  128, 326-333 AND 413-416.                                           
REMARK   4                                                                      
REMARK   4 1CX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-AUG-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009600.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-JAN-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 300.3                              
REMARK 200  PH                             : 7.75                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.08                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21965                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.450                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 4.182                              
REMARK 200  R MERGE                    (I) : 0.05200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.56                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.940                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK:                                                              
REMARK 200  PROTEIN RESIDUES PRECEDING ARG 130 AND POSTERIOR TO VAL 413 IN THE  
REMARK 200  AMINO ACID                                                          
REMARK 200  SEQUENCE ARE NOT INCLUDED IN THIS MODEL. ADDITIONALLY, LOOP REGION  
REMARK 200  CONSISTING                                                          
REMARK 200  OF RESIDUES 326 LYS THROUGH 333 GLU WERE NOT TRACED IN ELECTRON     
REMARK 200  DENSITY MAPS:                                                       
REMARK 200  NO PEPTIDE BOND EXISTS BETWEEN ARG 325 AND ASN 334 IN THIS          
REMARK 200  STRUCTURAL MODEL.                                                   
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 70.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.75                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       13.22000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       26.44000            
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       19.83000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       33.05000            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        6.61000            
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   112                                                      
REMARK 465     VAL A   113                                                      
REMARK 465     CYS A   114                                                      
REMARK 465     ALA A   115                                                      
REMARK 465     GLU A   116                                                      
REMARK 465     ALA A   117                                                      
REMARK 465     TYR A   118                                                      
REMARK 465     ASN A   119                                                      
REMARK 465     PRO A   120                                                      
REMARK 465     ASP A   121                                                      
REMARK 465     GLU A   122                                                      
REMARK 465     GLU A   123                                                      
REMARK 465     GLU A   124                                                      
REMARK 465     ASP A   125                                                      
REMARK 465     ASP A   126                                                      
REMARK 465     ALA A   127                                                      
REMARK 465     GLU A   128                                                      
REMARK 465     SER A   129                                                      
REMARK 465     LYS A   326                                                      
REMARK 465     GLY A   327                                                      
REMARK 465     LYS A   328                                                      
REMARK 465     SER A   329                                                      
REMARK 465     ASP A   330                                                      
REMARK 465     ILE A   331                                                      
REMARK 465     GLU A   332                                                      
REMARK 465     GLU A   333                                                      
REMARK 465     GLU A   413                                                      
REMARK 465     PRO A   414                                                      
REMARK 465     THR A   415                                                      
REMARK 465     ALA A   416                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A 155       47.84    -93.02                                   
REMARK 500    ASP A 187      -51.93   -134.40                                   
REMARK 500    ASP A 204       64.28     63.13                                   
REMARK 500    MET A 409       10.30     58.17                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 142         0.14    SIDE CHAIN                              
REMARK 500    ARG A 194         0.12    SIDE CHAIN                              
REMARK 500    ARG A 216         0.08    SIDE CHAIN                              
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 CMP A 440                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 450                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1RGS   RELATED DB: PDB                                   
REMARK 900 1RGS IS A MODEL OF THE TYPE I ALPHA REGULATORY SUBUNIT OF CAMP-      
REMARK 900 DEPENDENT PROTEIN KINASE                                             
REMARK 900 RELATED ID: 2CGP   RELATED DB: PDB                                   
REMARK 900 2CGP CONTAINS A CAMP-BINDING DOMAIN                                  
DBREF  1CX4 A  112   416  UNP    P12369   KAP3_RAT       112    416             
SEQRES   1 A  305  SER VAL CYS ALA GLU ALA TYR ASN PRO ASP GLU GLU GLU          
SEQRES   2 A  305  ASP ASP ALA GLU SER ARG ILE ILE HIS PRO LYS THR ASP          
SEQRES   3 A  305  ASP GLN ARG ASN ARG LEU GLN GLU ALA CYS LYS ASP ILE          
SEQRES   4 A  305  LEU LEU PHE LYS ASN LEU ASP PRO GLU GLN MET SER GLN          
SEQRES   5 A  305  VAL LEU ASP ALA MET PHE GLU LYS LEU VAL LYS GLU GLY          
SEQRES   6 A  305  GLU HIS VAL ILE ASP GLN GLY ASP ASP GLY ASP ASN PHE          
SEQRES   7 A  305  TYR VAL ILE ASP ARG GLY THR PHE ASP ILE TYR VAL LYS          
SEQRES   8 A  305  CYS ASP GLY VAL GLY ARG CYS VAL GLY ASN TYR ASP ASN          
SEQRES   9 A  305  ARG GLY SER PHE GLY GLU LEU ALA LEU MET TYR ASN THR          
SEQRES  10 A  305  PRO ARG ALA ALA THR ILE THR ALA THR SER PRO GLY ALA          
SEQRES  11 A  305  LEU TRP GLY LEU ASP ARG VAL THR PHE ARG ARG ILE ILE          
SEQRES  12 A  305  VAL LYS ASN ASN ALA LYS LYS ARG LYS MET TYR GLU SER          
SEQRES  13 A  305  PHE ILE GLU SER LEU PRO PHE LEU LYS SER LEU GLU VAL          
SEQRES  14 A  305  SER GLU ARG LEU LYS VAL VAL ASP VAL ILE GLY THR LYS          
SEQRES  15 A  305  VAL TYR ASN ASP GLY GLU GLN ILE ILE ALA GLN GLY ASP          
SEQRES  16 A  305  SER ALA ASP SER PHE PHE ILE VAL GLU SER GLY GLU VAL          
SEQRES  17 A  305  ARG ILE THR MET LYS ARG LYS GLY LYS SER ASP ILE GLU          
SEQRES  18 A  305  GLU ASN GLY ALA VAL GLU ILE ALA ARG CYS LEU ARG GLY          
SEQRES  19 A  305  GLN TYR PHE GLY GLU LEU ALA LEU VAL THR ASN LYS PRO          
SEQRES  20 A  305  ARG ALA ALA SER ALA HIS ALA ILE GLY THR VAL LYS CYS          
SEQRES  21 A  305  LEU ALA MET ASP VAL GLN ALA PHE GLU ARG LEU LEU GLY          
SEQRES  22 A  305  PRO CYS MET GLU ILE MET LYS ARG ASN ILE ALA THR TYR          
SEQRES  23 A  305  GLU GLU GLN LEU VAL ALA LEU PHE GLY THR ASN MET ASP          
SEQRES  24 A  305  ILE VAL GLU PRO THR ALA                                      
HET    CMP  A 440      22                                                       
HET    CMP  A 450      22                                                       
HETNAM     CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE                             
HETSYN     CMP CYCLIC AMP; CAMP                                                 
FORMUL   2  CMP    2(C10 H12 N5 O6 P)                                           
FORMUL   4  HOH   *192(H2 O)                                                    
HELIX    1   1 ASP A  137  CYS A  147  1                                  11    
HELIX    2   2 LEU A  151  LYS A  154  5                                   4    
HELIX    3   3 PRO A  158  ALA A  167  1                                  10    
HELIX    4   4 GLU A  221  TYR A  226  1                                   6    
HELIX    5   5 ARG A  247  ILE A  253  1                                   7    
HELIX    6   6 VAL A  255  TYR A  265  1                                  11    
HELIX    7   7 SER A  267  SER A  271  1                                   5    
HELIX    8   8 PRO A  273  LYS A  276  5                                   4    
HELIX    9   9 VAL A  280  VAL A  289  1                                  10    
HELIX   10  10 GLU A  350  THR A  355  1                                   6    
HELIX   11  11 VAL A  376  LEU A  382  1                                   7    
HELIX   12  12 MET A  387  PHE A  405  1                                  19    
SHEET    1   A 4 PHE A 169  VAL A 173  0                                        
SHEET    2   A 4 GLY A 240  ASP A 246 -1  N  GLY A 240   O  VAL A 173           
SHEET    3   A 4 ASN A 188  ARG A 194 -1  N  PHE A 189   O  LEU A 245           
SHEET    4   A 4 SER A 218  PHE A 219 -1  N  PHE A 219   O  TYR A 190           
SHEET    1   B 4 HIS A 178  ILE A 180  0                                        
SHEET    2   B 4 THR A 233  ALA A 236 -1  N  ILE A 234   O  ILE A 180           
SHEET    3   B 4 THR A 196  CYS A 203 -1  N  ASP A 198   O  THR A 235           
SHEET    4   B 4 VAL A 206  ASP A 214 -1  N  VAL A 206   O  CYS A 203           
SHEET    1   C 2 GLY A 291  TYR A 295  0                                        
SHEET    2   C 2 TYR A 347  PHE A 348 -1  N  PHE A 348   O  PHE A 312           
SHEET    1   D 3 GLN A 300  ILE A 302  0                                        
SHEET    2   D 3 SER A 362  ILE A 366 -1  N  ALA A 363   O  ILE A 302           
SHEET    3   D 3 ALA A 336  CYS A 342 -1  N  VAL A 337   O  MET A 323           
SITE     1 AC1 14 TYR A 213  PHE A 219  GLY A 220  GLU A 221                    
SITE     2 AC1 14 LEU A 222  ALA A 223  ARG A 230  ALA A 231                    
SITE     3 AC1 14 ALA A 232  ILE A 234  ARG A 381  HOH A 509                    
SITE     4 AC1 14 HOH A 522  HOH A 628                                          
SITE     1 AC2 14 ILE A 321  ILE A 339  PHE A 348  GLY A 349                    
SITE     2 AC2 14 GLU A 350  LEU A 351  ALA A 352  ARG A 359                    
SITE     3 AC2 14 ALA A 360  ALA A 361  TYR A 397  GLN A 400                    
SITE     4 AC2 14 HOH A 510  HOH A 512                                          
CRYST1  161.620  161.620   39.660  90.00  90.00 120.00 P 61          6          
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      0.006187  0.003572  0.000000        0.00000                         
SCALE2      0.000000  0.007145  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.025214        0.00000