PDB Short entry for 2PTM
HEADER    TRANSPORT PROTEIN                       08-MAY-07   2PTM              
TITLE     STRUCTURE AND REARRANGEMENTS IN THE CARBOXY-TERMINAL REGION OF SPIH   
TITLE    2 CHANNELS                                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HYPERPOLARIZATION-ACTIVATED (IH) CHANNEL;                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: C-TERMINAL REGION (RESIDUES 470-665);                      
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STRONGYLOCENTROTUS PURPURATUS;                  
SOURCE   3 ORGANISM_TAXID: 7668;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL-21 (DE3);                               
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PHMALC2T                                  
KEYWDS    ION CHANNEL, CYCLIC NUCLEOTIDE BINDING DOMAIN, C-LINKER, CAMP, CGMP,  
KEYWDS   2 SPHCN1, HCN, TRANSPORT PROTEIN                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.E.FLYNN,K.D.BLACK,L.D.ISLAS,B.SANKARAN,W.N.ZAGOTTA                  
REVDAT   4   28-JUL-21 2PTM    1       REMARK SEQADV                            
REVDAT   3   13-JUL-11 2PTM    1       VERSN                                    
REVDAT   2   24-FEB-09 2PTM    1       VERSN                                    
REVDAT   1   19-JUN-07 2PTM    0                                                
JRNL        AUTH   G.E.FLYNN,K.D.BLACK,L.D.ISLAS,B.SANKARAN,W.N.ZAGOTTA         
JRNL        TITL   STRUCTURE AND REARRANGEMENTS IN THE CARBOXY-TERMINAL REGION  
JRNL        TITL 2 OF SPIH CHANNELS.                                            
JRNL        REF    STRUCTURE                     V.  15   671 2007              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   17562314                                                     
JRNL        DOI    10.1016/J.STR.2007.04.008                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.93 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
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) : 1.93                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.21                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 21201                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.242                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.140                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1089                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3   K_SOL              : 0.37                                          
REMARK   3   B_SOL              : 79.14                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : NULL             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 30.44                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.33                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.47300                                              
REMARK   3    B22 (A**2) : 1.47300                                              
REMARK   3    B33 (A**2) : -2.94500                                             
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  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      :  0.004           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :  9.474           NULL                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2PTM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAY-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000042761.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-APR-04                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4A                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97935                            
REMARK 200  MONOCHROMATOR                  : SI (111)                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21201                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.930                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 13.10                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 30.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.40                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.30000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1Q5O                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.82                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.85                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10 % W/V PEG 6000, 0.5 M NACL, 20 %      
REMARK 280  GLYCEROL, 0.1 M HEPES, 10 MM HEXAMINE COBALT TRICHLORIDE, PH 8.0,   
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 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   -Y+1/2,X+1/2,Z                                          
REMARK 290       4555   Y+1/2,-X+1/2,Z                                          
REMARK 290       5555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       6555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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  0.000000 -1.000000  0.000000       46.17700            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       46.17700            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       46.17700            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       46.17700            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       46.17700            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       46.17700            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       46.17700            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.17700            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TETRAMER GENERATED FROM THE     
REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS: SYMMETRY           
REMARK 300 OPERATION SYMM. ID. (PISA) X,Y,Z 1_555 -Y+1/2,X+1/2,Z 3_555 Y-1/2,-  
REMARK 300 X+1/2,Z 4_455 -X,-Y+1,Z 2_565                                        
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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 12000 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 35900 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       92.35400            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000       46.17700            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000       46.17700            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000      -46.17700            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000       46.17700            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A   0  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A   1  LIES ON A SPECIAL POSITION.                          
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     GLY A   468                                                      
REMARK 465     ALA A   469                                                      
REMARK 465     MET A   470                                                      
REMARK 465     THR A   663                                                      
REMARK 465     ARG A   664                                                      
REMARK 465     ILE A   665                                                      
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 471    CG   OD1  OD2                                       
REMARK 470     SER A 472    OG                                                  
REMARK 470     ARG A 475    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A 478    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 482    CG   CD   CE   NZ                                   
REMARK 470     TYR A 490    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ARG A 517    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS A 518    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ASP A 538    CG   OD1  OD2                                       
REMARK 470     VAL A 547    CG1  CG2                                            
REMARK 470     LYS A 652    CG   CD   CE   NZ                                   
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    PHE A 514     -158.28    -83.08                                   
REMARK 500    ASP A 515      -55.17   -128.80                                   
REMARK 500    GLU A 516      -44.82     73.74                                   
REMARK 500    ALA A 569       -3.85     76.30                                   
REMARK 500    GLU A 618     -127.13   -101.63                                   
REMARK 500    ARG A 660       26.76    -76.34                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 ARG A  661     LEU A  662                 -149.91                    
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 NCO A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 401                 
DBREF  2PTM A  470   665  UNP    O76977   O76977_STRPU   470    665             
SEQADV 2PTM GLY A  468  UNP  O76977              CLONING ARTIFACT               
SEQADV 2PTM ALA A  469  UNP  O76977              CLONING ARTIFACT               
SEQRES   1 A  198  GLY ALA MET ASP SER SER SER ARG GLN TYR ARG GLU LYS          
SEQRES   2 A  198  LEU LYS GLN VAL GLU GLU TYR MET GLN TYR ARG LYS LEU          
SEQRES   3 A  198  PRO SER HIS LEU ARG ASN LYS ILE LEU ASP TYR TYR GLU          
SEQRES   4 A  198  TYR ARG TYR ARG GLY LYS MET PHE ASP GLU ARG HIS ILE          
SEQRES   5 A  198  PHE ARG GLU VAL SER GLU SER ILE ARG GLN ASP VAL ALA          
SEQRES   6 A  198  ASN TYR ASN CYS ARG ASP LEU VAL ALA SER VAL PRO PHE          
SEQRES   7 A  198  PHE VAL GLY ALA ASP SER ASN PHE VAL THR ARG VAL VAL          
SEQRES   8 A  198  THR LEU LEU GLU PHE GLU VAL PHE GLN PRO ALA ASP TYR          
SEQRES   9 A  198  VAL ILE GLN GLU GLY THR PHE GLY ASP ARG MET PHE PHE          
SEQRES  10 A  198  ILE GLN GLN GLY ILE VAL ASP ILE ILE MET SER ASP GLY          
SEQRES  11 A  198  VAL ILE ALA THR SER LEU SER ASP GLY SER TYR PHE GLY          
SEQRES  12 A  198  GLU ILE CYS LEU LEU THR ARG GLU ARG ARG VAL ALA SER          
SEQRES  13 A  198  VAL LYS CYS GLU THR TYR CYS THR LEU PHE SER LEU SER          
SEQRES  14 A  198  VAL GLN HIS PHE ASN GLN VAL LEU ASP GLU PHE PRO ALA          
SEQRES  15 A  198  MET ARG LYS THR MET GLU GLU ILE ALA VAL ARG ARG LEU          
SEQRES  16 A  198  THR ARG ILE                                                  
HET    NCO  A 301       7                                                       
HET    CMP  A 401      22                                                       
HETNAM     NCO COBALT HEXAMMINE(III)                                            
HETNAM     CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE                             
HETSYN     CMP CYCLIC AMP; CAMP                                                 
FORMUL   2  NCO    CO H18 N6 3+                                                 
FORMUL   3  CMP    C10 H12 N5 O6 P                                              
FORMUL   4  HOH   *204(H2 O)                                                    
HELIX    1   1 ASP A  471  ARG A  491  1                                  21    
HELIX    2   2 PRO A  494  ARG A  510  1                                  17    
HELIX    3   3 GLU A  516  VAL A  523  1                                   8    
HELIX    4   4 SER A  524  CYS A  536  1                                  13    
HELIX    5   5 CYS A  536  VAL A  543  1                                   8    
HELIX    6   6 PRO A  544  VAL A  547  5                                   4    
HELIX    7   7 ASP A  550  LEU A  561  1                                  12    
HELIX    8   8 GLU A  611  ARG A  617  1                                   7    
HELIX    9   9 VAL A  637  PHE A  647  1                                  11    
HELIX   10  10 PHE A  647  ARG A  660  1                                  14    
SHEET    1   A 4 GLU A 562  PHE A 566  0                                        
SHEET    2   A 4 CYS A 630  SER A 636 -1  O  LEU A 632   N  GLU A 564           
SHEET    3   A 4 ARG A 581  GLN A 587 -1  N  GLN A 587   O  THR A 631           
SHEET    4   A 4 TYR A 608  PHE A 609 -1  O  PHE A 609   N  PHE A 583           
SHEET    1   B 4 TYR A 571  ILE A 573  0                                        
SHEET    2   B 4 SER A 623  CYS A 626 -1  O  VAL A 624   N  ILE A 573           
SHEET    3   B 4 VAL A 590  ILE A 593 -1  N  ILE A 593   O  SER A 623           
SHEET    4   B 4 ILE A 599  LEU A 603 -1  O  THR A 601   N  ILE A 592           
SITE     1 AC1  7 HOH A  49  HOH A  56  ASP A 503  GLU A 506                    
SITE     2 AC1  7 ASP A 591  SER A 602  GLU A 627                               
SITE     1 AC2 13 HOH A  42  HOH A  99  ILE A 592  THR A 601                    
SITE     2 AC2 13 PHE A 609  GLY A 610  GLU A 611  ILE A 612                    
SITE     3 AC2 13 CYS A 613  ARG A 620  VAL A 621  ALA A 622                    
SITE     4 AC2 13 ARG A 661                                                     
CRYST1   92.354   92.354   63.646  90.00  90.00  90.00 P 4 21 2      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      0.010828  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010828  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015712        0.00000