HEADER    HYDROLASE                               02-DEC-03   1ROR              
TITLE     CRYSTAL STRUCTURES OF THE CATALYTIC DOMAIN OF PHOSPHODIESTERASE 4B2B  
TITLE    2 COMPLEXED WITH AMP                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE 4B;           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: CATALYTIC DOMAIN;                                          
COMPND   5 SYNONYM: DPDE4, PDE32;                                               
COMPND   6 EC: 3.1.4.17;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PDE4B;                                                         
SOURCE   6 EXPRESSION_SYSTEM: UNIDENTIFIED BACULOVIRUS;                         
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 10469                                       
KEYWDS    PDE, AMP, HYDROLASE                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.X.XU,W.J.ROCQUE,M.H.LAMBERT,D.E.VANDERWALL,R.T.NOLTE                
REVDAT   4   23-AUG-23 1ROR    1       REMARK SEQADV LINK                       
REVDAT   3   16-NOV-11 1ROR    1       VERSN  HETATM                            
REVDAT   2   24-FEB-09 1ROR    1       VERSN                                    
REVDAT   1   07-DEC-04 1ROR    0                                                
JRNL        AUTH   R.X.XU,W.J.ROCQUE,M.H.LAMBERT,D.E.VANDERWALL,M.A.LUTHER,     
JRNL        AUTH 2 R.T.NOLTE                                                    
JRNL        TITL   CRYSTAL STRUCTURES OF THE CATALYTIC DOMAIN OF                
JRNL        TITL 2 PHOSPHODIESTERASE 4B COMPLEXED WITH AMP, 8-BR-AMP, AND       
JRNL        TITL 3 ROLIPRAM.                                                    
JRNL        REF    J.MOL.BIOL.                   V. 337   355 2004              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   15003452                                                     
JRNL        DOI    10.1016/J.JMB.2004.01.040                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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 : CNS                                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
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)   (%) : 94.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 58419                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2370                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5443                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 50                                      
REMARK   3   SOLVENT ATOMS            : 399                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 30.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.090                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ANISOTROPIC                               
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1ROR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-DEC-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020916.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-APR-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 98                                 
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : MONOCHROMATOR CRYSTAL              
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58419                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.500                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.0                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : 0.05300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.58400                            
REMARK 200  R SYM FOR SHELL            (I) : 0.58400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.500                              
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: CATALYTIC DOMAIN OF HOLO PHOSPHODIESTERASE 4B2B      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.33                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3000, SODIUM ACETATE, GLYCEROL,      
REMARK 280  SODIUM CACODYLATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP,           
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.52650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.52650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       52.55550            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       79.93050            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       52.55550            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       79.93050            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       54.52650            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       52.55550            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       79.93050            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       54.52650            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       52.55550            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       79.93050            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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 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 849  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     MET A   151                                                      
REMARK 465     PRO A   490                                                      
REMARK 465     PRO A   491                                                      
REMARK 465     LEU A   492                                                      
REMARK 465     ASP A   493                                                      
REMARK 465     GLU A   494                                                      
REMARK 465     GLN A   495                                                      
REMARK 465     ASN A   496                                                      
REMARK 465     ARG A   497                                                      
REMARK 465     ASP A   498                                                      
REMARK 465     CYS A   499                                                      
REMARK 465     GLN A   500                                                      
REMARK 465     GLY A   501                                                      
REMARK 465     LEU A   502                                                      
REMARK 465     MET A   503                                                      
REMARK 465     GLU A   504                                                      
REMARK 465     LYS A   505                                                      
REMARK 465     PHE A   506                                                      
REMARK 465     GLN A   507                                                      
REMARK 465     PHE A   508                                                      
REMARK 465     GLU A   509                                                      
REMARK 465     LEU A   510                                                      
REMARK 465     THR A   511                                                      
REMARK 465     LEU A   512                                                      
REMARK 465     ASP A   513                                                      
REMARK 465     GLU A   514                                                      
REMARK 465     GLU A   515                                                      
REMARK 465     ASP A   516                                                      
REMARK 465     SER A   517                                                      
REMARK 465     GLU A   518                                                      
REMARK 465     GLY A   519                                                      
REMARK 465     PRO A   520                                                      
REMARK 465     GLU A   521                                                      
REMARK 465     LYS A   522                                                      
REMARK 465     GLU A   523                                                      
REMARK 465     GLY A   524                                                      
REMARK 465     GLU A   525                                                      
REMARK 465     GLY A   526                                                      
REMARK 465     HIS A   527                                                      
REMARK 465     SER A   528                                                      
REMARK 465     MET B   151                                                      
REMARK 465     ALA B   489                                                      
REMARK 465     PRO B   490                                                      
REMARK 465     PRO B   491                                                      
REMARK 465     LEU B   492                                                      
REMARK 465     ASP B   493                                                      
REMARK 465     GLU B   494                                                      
REMARK 465     GLN B   495                                                      
REMARK 465     ASN B   496                                                      
REMARK 465     ARG B   497                                                      
REMARK 465     ASP B   498                                                      
REMARK 465     CYS B   499                                                      
REMARK 465     GLN B   500                                                      
REMARK 465     GLY B   501                                                      
REMARK 465     LEU B   502                                                      
REMARK 465     MET B   503                                                      
REMARK 465     GLU B   504                                                      
REMARK 465     LYS B   505                                                      
REMARK 465     PHE B   506                                                      
REMARK 465     GLN B   507                                                      
REMARK 465     PHE B   508                                                      
REMARK 465     GLU B   509                                                      
REMARK 465     LEU B   510                                                      
REMARK 465     THR B   511                                                      
REMARK 465     LEU B   512                                                      
REMARK 465     ASP B   513                                                      
REMARK 465     GLU B   514                                                      
REMARK 465     GLU B   515                                                      
REMARK 465     ASP B   516                                                      
REMARK 465     SER B   517                                                      
REMARK 465     GLU B   518                                                      
REMARK 465     GLY B   519                                                      
REMARK 465     PRO B   520                                                      
REMARK 465     GLU B   521                                                      
REMARK 465     LYS B   522                                                      
REMARK 465     GLU B   523                                                      
REMARK 465     GLY B   524                                                      
REMARK 465     GLU B   525                                                      
REMARK 465     GLY B   526                                                      
REMARK 465     HIS B   527                                                      
REMARK 465     SER B   528                                                      
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 204       29.68     49.39                                   
REMARK 500    ALA A 257       10.98     59.44                                   
REMARK 500    ASP A 299        8.79     57.61                                   
REMARK 500    SER A 301       51.90     36.61                                   
REMARK 500    VAL A 366     -162.76   -117.86                                   
REMARK 500    SER A 369      -26.45    159.07                                   
REMARK 500    LYS A 434       -8.73    -54.73                                   
REMARK 500    ILE A 450      -59.16   -130.09                                   
REMARK 500    PRO A 488     -128.60    -67.34                                   
REMARK 500    ILE B 153       16.29    -67.37                                   
REMARK 500    GLU B 161      -71.40    -56.09                                   
REMARK 500    ASP B 299        2.22     56.68                                   
REMARK 500    LYS B 364      144.79    -39.52                                   
REMARK 500    SER B 368        2.84    -66.21                                   
REMARK 500    ASN B 376      136.65    175.20                                   
REMARK 500    LEU B 393       43.94   -104.42                                   
REMARK 500    MET B 431       -6.56     71.02                                   
REMARK 500    LYS B 434       27.99    -73.11                                   
REMARK 500    THR B 436       -0.95   -147.86                                   
REMARK 500    ILE B 450      -60.83   -129.19                                   
REMARK 500    PRO B 485     -165.87    -65.38                                   
REMARK 500    GLN B 486       94.80      0.64                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 601  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 238   NE2                                                    
REMARK 620 2 HIS A 274   NE2 109.4                                              
REMARK 620 3 ASP A 275   OD2  94.1  84.9                                        
REMARK 620 4 ASP A 392   OD1  94.2  88.2 170.6                                  
REMARK 620 5 AMP A 603   O1P 149.0 100.6  96.1  78.9                            
REMARK 620 6 AMP A 603   O2P  89.1 160.6  88.0  96.6  62.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 602  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 275   OD1                                                    
REMARK 620 2 AMP A 603   O1P  95.5                                              
REMARK 620 3 AMP A 603   O3P  98.2  52.7                                        
REMARK 620 4 HOH A 605   O   164.8  94.6  97.0                                  
REMARK 620 5 HOH A 622   O    79.6 104.4 156.9  86.9                            
REMARK 620 6 HOH A 623   O    84.7 174.0 121.4  86.5  81.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 701  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 238   NE2                                                    
REMARK 620 2 HIS B 274   NE2 107.4                                              
REMARK 620 3 ASP B 275   OD2  88.0  88.0                                        
REMARK 620 4 ASP B 392   OD1  97.1  85.8 172.9                                  
REMARK 620 5 AMP B 703   O2P 151.3 100.6  99.5  78.2                            
REMARK 620 6 AMP B 703   O3P  90.5 161.9  90.0  94.8  62.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 702  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 275   OD1                                                    
REMARK 620 2 AMP B 703   O1P  93.9                                              
REMARK 620 3 AMP B 703   O2P  88.5  56.0                                        
REMARK 620 4 HOH B 704   O   162.8 102.6  96.4                                  
REMARK 620 5 HOH B 707   O    79.3 155.8 100.3  83.5                            
REMARK 620 6 HOH B 724   O    89.3 114.2 169.8  88.5  89.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 601                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 602                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 702                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMP A 603                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMP B 703                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1RO6   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH ROLIPRAM (R & S)                     
REMARK 900 RELATED ID: 1RO9   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH 8-BR-AMP                             
DBREF  1ROR A  152   528  UNP    Q07343   PDE4B_HUMAN    324    700             
DBREF  1ROR B  152   528  UNP    Q07343   PDE4B_HUMAN    324    700             
SEQADV 1ROR MET A  151  UNP  Q07343              INITIATING METHIONINE          
SEQADV 1ROR ALA A  487  UNP  Q07343    SER   659 ENGINEERED MUTATION            
SEQADV 1ROR ALA A  489  UNP  Q07343    SER   661 ENGINEERED MUTATION            
SEQADV 1ROR MET B  151  UNP  Q07343              INITIATING METHIONINE          
SEQADV 1ROR ALA B  487  UNP  Q07343    SER   659 ENGINEERED MUTATION            
SEQADV 1ROR ALA B  489  UNP  Q07343    SER   661 ENGINEERED MUTATION            
SEQRES   1 A  378  MET SER ILE SER ARG PHE GLY VAL ASN THR GLU ASN GLU          
SEQRES   2 A  378  ASP HIS LEU ALA LYS GLU LEU GLU ASP LEU ASN LYS TRP          
SEQRES   3 A  378  GLY LEU ASN ILE PHE ASN VAL ALA GLY TYR SER HIS ASN          
SEQRES   4 A  378  ARG PRO LEU THR CYS ILE MET TYR ALA ILE PHE GLN GLU          
SEQRES   5 A  378  ARG ASP LEU LEU LYS THR PHE ARG ILE SER SER ASP THR          
SEQRES   6 A  378  PHE ILE THR TYR MET MET THR LEU GLU ASP HIS TYR HIS          
SEQRES   7 A  378  SER ASP VAL ALA TYR HIS ASN SER LEU HIS ALA ALA ASP          
SEQRES   8 A  378  VAL ALA GLN SER THR HIS VAL LEU LEU SER THR PRO ALA          
SEQRES   9 A  378  LEU ASP ALA VAL PHE THR ASP LEU GLU ILE LEU ALA ALA          
SEQRES  10 A  378  ILE PHE ALA ALA ALA ILE HIS ASP VAL ASP HIS PRO GLY          
SEQRES  11 A  378  VAL SER ASN GLN PHE LEU ILE ASN THR ASN SER GLU LEU          
SEQRES  12 A  378  ALA LEU MET TYR ASN ASP GLU SER VAL LEU GLU ASN HIS          
SEQRES  13 A  378  HIS LEU ALA VAL GLY PHE LYS LEU LEU GLN GLU GLU HIS          
SEQRES  14 A  378  CYS ASP ILE PHE MET ASN LEU THR LYS LYS GLN ARG GLN          
SEQRES  15 A  378  THR LEU ARG LYS MET VAL ILE ASP MET VAL LEU ALA THR          
SEQRES  16 A  378  ASP MET SER LYS HIS MET SER LEU LEU ALA ASP LEU LYS          
SEQRES  17 A  378  THR MET VAL GLU THR LYS LYS VAL THR SER SER GLY VAL          
SEQRES  18 A  378  LEU LEU LEU ASP ASN TYR THR ASP ARG ILE GLN VAL LEU          
SEQRES  19 A  378  ARG ASN MET VAL HIS CYS ALA ASP LEU SER ASN PRO THR          
SEQRES  20 A  378  LYS SER LEU GLU LEU TYR ARG GLN TRP THR ASP ARG ILE          
SEQRES  21 A  378  MET GLU GLU PHE PHE GLN GLN GLY ASP LYS GLU ARG GLU          
SEQRES  22 A  378  ARG GLY MET GLU ILE SER PRO MET CYS ASP LYS HIS THR          
SEQRES  23 A  378  ALA SER VAL GLU LYS SER GLN VAL GLY PHE ILE ASP TYR          
SEQRES  24 A  378  ILE VAL HIS PRO LEU TRP GLU THR TRP ALA ASP LEU VAL          
SEQRES  25 A  378  GLN PRO ASP ALA GLN ASP ILE LEU ASP THR LEU GLU ASP          
SEQRES  26 A  378  ASN ARG ASN TRP TYR GLN SER MET ILE PRO GLN ALA PRO          
SEQRES  27 A  378  ALA PRO PRO LEU ASP GLU GLN ASN ARG ASP CYS GLN GLY          
SEQRES  28 A  378  LEU MET GLU LYS PHE GLN PHE GLU LEU THR LEU ASP GLU          
SEQRES  29 A  378  GLU ASP SER GLU GLY PRO GLU LYS GLU GLY GLU GLY HIS          
SEQRES  30 A  378  SER                                                          
SEQRES   1 B  378  MET SER ILE SER ARG PHE GLY VAL ASN THR GLU ASN GLU          
SEQRES   2 B  378  ASP HIS LEU ALA LYS GLU LEU GLU ASP LEU ASN LYS TRP          
SEQRES   3 B  378  GLY LEU ASN ILE PHE ASN VAL ALA GLY TYR SER HIS ASN          
SEQRES   4 B  378  ARG PRO LEU THR CYS ILE MET TYR ALA ILE PHE GLN GLU          
SEQRES   5 B  378  ARG ASP LEU LEU LYS THR PHE ARG ILE SER SER ASP THR          
SEQRES   6 B  378  PHE ILE THR TYR MET MET THR LEU GLU ASP HIS TYR HIS          
SEQRES   7 B  378  SER ASP VAL ALA TYR HIS ASN SER LEU HIS ALA ALA ASP          
SEQRES   8 B  378  VAL ALA GLN SER THR HIS VAL LEU LEU SER THR PRO ALA          
SEQRES   9 B  378  LEU ASP ALA VAL PHE THR ASP LEU GLU ILE LEU ALA ALA          
SEQRES  10 B  378  ILE PHE ALA ALA ALA ILE HIS ASP VAL ASP HIS PRO GLY          
SEQRES  11 B  378  VAL SER ASN GLN PHE LEU ILE ASN THR ASN SER GLU LEU          
SEQRES  12 B  378  ALA LEU MET TYR ASN ASP GLU SER VAL LEU GLU ASN HIS          
SEQRES  13 B  378  HIS LEU ALA VAL GLY PHE LYS LEU LEU GLN GLU GLU HIS          
SEQRES  14 B  378  CYS ASP ILE PHE MET ASN LEU THR LYS LYS GLN ARG GLN          
SEQRES  15 B  378  THR LEU ARG LYS MET VAL ILE ASP MET VAL LEU ALA THR          
SEQRES  16 B  378  ASP MET SER LYS HIS MET SER LEU LEU ALA ASP LEU LYS          
SEQRES  17 B  378  THR MET VAL GLU THR LYS LYS VAL THR SER SER GLY VAL          
SEQRES  18 B  378  LEU LEU LEU ASP ASN TYR THR ASP ARG ILE GLN VAL LEU          
SEQRES  19 B  378  ARG ASN MET VAL HIS CYS ALA ASP LEU SER ASN PRO THR          
SEQRES  20 B  378  LYS SER LEU GLU LEU TYR ARG GLN TRP THR ASP ARG ILE          
SEQRES  21 B  378  MET GLU GLU PHE PHE GLN GLN GLY ASP LYS GLU ARG GLU          
SEQRES  22 B  378  ARG GLY MET GLU ILE SER PRO MET CYS ASP LYS HIS THR          
SEQRES  23 B  378  ALA SER VAL GLU LYS SER GLN VAL GLY PHE ILE ASP TYR          
SEQRES  24 B  378  ILE VAL HIS PRO LEU TRP GLU THR TRP ALA ASP LEU VAL          
SEQRES  25 B  378  GLN PRO ASP ALA GLN ASP ILE LEU ASP THR LEU GLU ASP          
SEQRES  26 B  378  ASN ARG ASN TRP TYR GLN SER MET ILE PRO GLN ALA PRO          
SEQRES  27 B  378  ALA PRO PRO LEU ASP GLU GLN ASN ARG ASP CYS GLN GLY          
SEQRES  28 B  378  LEU MET GLU LYS PHE GLN PHE GLU LEU THR LEU ASP GLU          
SEQRES  29 B  378  GLU ASP SER GLU GLY PRO GLU LYS GLU GLY GLU GLY HIS          
SEQRES  30 B  378  SER                                                          
HET     ZN  A 601       1                                                       
HET     ZN  A 602       1                                                       
HET    AMP  A 603      23                                                       
HET     ZN  B 701       1                                                       
HET     ZN  B 702       1                                                       
HET    AMP  B 703      23                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     AMP ADENOSINE MONOPHOSPHATE                                          
FORMUL   3   ZN    4(ZN 2+)                                                     
FORMUL   5  AMP    2(C10 H14 N5 O7 P)                                           
FORMUL   9  HOH   *399(H2 O)                                                    
HELIX    1   1 ASN A  159  LEU A  170  1                                  12    
HELIX    2   2 GLU A  171  LEU A  173  5                                   3    
HELIX    3   3 ASN A  179  SER A  187  1                                   9    
HELIX    4   4 ARG A  190  ARG A  203  1                                  14    
HELIX    5   5 ASP A  204  PHE A  209  1                                   6    
HELIX    6   6 SER A  212  HIS A  226  1                                  15    
HELIX    7   7 ASN A  235  LEU A  250  1                                  16    
HELIX    8   8 SER A  251  ASP A  256  5                                   6    
HELIX    9   9 THR A  260  HIS A  274  1                                  15    
HELIX   10  10 SER A  282  THR A  289  1                                   8    
HELIX   11  11 SER A  291  TYR A  297  1                                   7    
HELIX   12  12 SER A  301  LEU A  314  1                                  14    
HELIX   13  13 LEU A  315  GLU A  317  5                                   3    
HELIX   14  14 THR A  327  ALA A  344  1                                  18    
HELIX   15  15 THR A  345  SER A  348  5                                   4    
HELIX   16  16 LYS A  349  THR A  363  1                                  15    
HELIX   17  17 ASN A  376  LEU A  393  1                                  18    
HELIX   18  18 SER A  394  LYS A  398  5                                   5    
HELIX   19  19 SER A  399  ARG A  424  1                                  26    
HELIX   20  20 SER A  438  ILE A  450  1                                  13    
HELIX   21  21 ILE A  450  VAL A  462  1                                  13    
HELIX   22  22 ALA A  466  ILE A  484  1                                  19    
HELIX   23  23 ASN B  159  LEU B  170  1                                  12    
HELIX   24  24 GLU B  171  LEU B  173  5                                   3    
HELIX   25  25 ASN B  179  TYR B  186  1                                   8    
HELIX   26  26 ARG B  190  ARG B  203  1                                  14    
HELIX   27  27 ASP B  204  PHE B  209  1                                   6    
HELIX   28  28 SER B  212  HIS B  226  1                                  15    
HELIX   29  29 ASN B  235  SER B  251  1                                  17    
HELIX   30  30 THR B  252  ASP B  256  5                                   5    
HELIX   31  31 THR B  260  HIS B  274  1                                  15    
HELIX   32  32 SER B  282  THR B  289  1                                   8    
HELIX   33  33 SER B  291  TYR B  297  1                                   7    
HELIX   34  34 SER B  301  LEU B  314  1                                  14    
HELIX   35  35 LEU B  315  GLU B  317  5                                   3    
HELIX   36  36 THR B  327  ALA B  344  1                                  18    
HELIX   37  37 THR B  345  SER B  348  5                                   4    
HELIX   38  38 LYS B  349  THR B  363  1                                  15    
HELIX   39  39 ASN B  376  LEU B  393  1                                  18    
HELIX   40  40 SER B  394  LYS B  398  5                                   5    
HELIX   41  41 SER B  399  ARG B  424  1                                  26    
HELIX   42  42 SER B  438  ILE B  450  1                                  13    
HELIX   43  43 ILE B  450  VAL B  462  1                                  13    
HELIX   44  44 ALA B  466  SER B  482  1                                  17    
LINK         NE2 HIS A 238                ZN    ZN A 601     1555   1555  1.95  
LINK         NE2 HIS A 274                ZN    ZN A 601     1555   1555  2.02  
LINK         OD2 ASP A 275                ZN    ZN A 601     1555   1555  2.23  
LINK         OD1 ASP A 275                ZN    ZN A 602     1555   1555  2.44  
LINK         OD1 ASP A 392                ZN    ZN A 601     1555   1555  2.37  
LINK        ZN    ZN A 601                 O1P AMP A 603     1555   1555  2.59  
LINK        ZN    ZN A 601                 O2P AMP A 603     1555   1555  2.00  
LINK        ZN    ZN A 602                 O1P AMP A 603     1555   1555  2.74  
LINK        ZN    ZN A 602                 O3P AMP A 603     1555   1555  2.57  
LINK        ZN    ZN A 602                 O   HOH A 605     1555   1555  2.33  
LINK        ZN    ZN A 602                 O   HOH A 622     1555   1555  2.42  
LINK        ZN    ZN A 602                 O   HOH A 623     1555   1555  2.43  
LINK         NE2 HIS B 238                ZN    ZN B 701     1555   1555  1.95  
LINK         NE2 HIS B 274                ZN    ZN B 701     1555   1555  2.06  
LINK         OD2 ASP B 275                ZN    ZN B 701     1555   1555  2.23  
LINK         OD1 ASP B 275                ZN    ZN B 702     1555   1555  2.47  
LINK         OD1 ASP B 392                ZN    ZN B 701     1555   1555  2.32  
LINK        ZN    ZN B 701                 O2P AMP B 703     1555   1555  2.52  
LINK        ZN    ZN B 701                 O3P AMP B 703     1555   1555  2.04  
LINK        ZN    ZN B 702                 O1P AMP B 703     1555   1555  2.45  
LINK        ZN    ZN B 702                 O2P AMP B 703     1555   1555  2.70  
LINK        ZN    ZN B 702                 O   HOH B 704     1555   1555  2.34  
LINK        ZN    ZN B 702                 O   HOH B 707     1555   1555  2.40  
LINK        ZN    ZN B 702                 O   HOH B 724     1555   1555  2.59  
CISPEP   1 GLN A  463    PRO A  464          0        -1.18                     
CISPEP   2 GLN B  463    PRO B  464          0        -0.55                     
SITE     1 AC1  5 HIS A 238  HIS A 274  ASP A 275  ASP A 392                    
SITE     2 AC1  5 AMP A 603                                                     
SITE     1 AC2  5 HIS B 238  HIS B 274  ASP B 275  ASP B 392                    
SITE     2 AC2  5 AMP B 703                                                     
SITE     1 AC3  5 ASP A 275  AMP A 603  HOH A 605  HOH A 622                    
SITE     2 AC3  5 HOH A 623                                                     
SITE     1 AC4  5 ASP B 275  AMP B 703  HOH B 704  HOH B 707                    
SITE     2 AC4  5 HOH B 724                                                     
SITE     1 AC5 13 HIS A 234  HIS A 238  HIS A 274  ASP A 275                    
SITE     2 AC5 13 ASP A 392  ASN A 395  PHE A 414  GLN A 443                    
SITE     3 AC5 13 PHE A 446   ZN A 601   ZN A 602  HOH A 607                    
SITE     4 AC5 13 HOH A 847                                                     
SITE     1 AC6 15 HIS B 234  HIS B 238  HIS B 274  ASP B 275                    
SITE     2 AC6 15 ASP B 392  LEU B 393  ASN B 395  ILE B 410                    
SITE     3 AC6 15 PHE B 414  GLN B 443  PHE B 446   ZN B 701                    
SITE     4 AC6 15  ZN B 702  HOH B 706  HOH B 822                               
CRYST1  105.111  159.861  109.053  90.00  90.00  90.00 C 2 2 21     16          
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      0.009514  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006255  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009170        0.00000