HEADER    SIGNALING PROTEIN                       28-NOV-05   2F5Y              
TITLE     CRYSTAL STRUCTURE OF THE PDZ DOMAIN FROM HUMAN RGS-3                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: REGULATOR OF G-PROTEIN SIGNALLING 3 ISOFORM 1;             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: PDZ DOMAIN (RESIDUES 15-103);                              
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 STRAIN: BL21 (DE3);                                                  
SOURCE   6 GENE: RGS3;                                                          
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4                               
KEYWDS    PDZ DOMAIN, RGS-3, HUMAN, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS    
KEYWDS   2 CONSORTIUM, SGC, SIGNALING PROTEIN                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.UGOCHUKWU,G.BERRIDGE,C.JOHANSSON,C.SMEE,P.SAVITSKY,N.BURGESS,       
AUTHOR   2 S.COLEBROOK,X.YANG,J.ELKINS,D.DOYLE,A.TURNBULL,E.PAPAGRIGORIOU,      
AUTHOR   3 J.DEBRECZENI,G.BUNKOCZI,F.GORREC,F.VON DELFT,C.ARROWSMITH,           
AUTHOR   4 M.SUNDSTROM,J.WEIGELT,A.EDWARDS,STRUCTURAL GENOMICS CONSORTIUM (SGC) 
REVDAT   6   16-OCT-24 2F5Y    1       REMARK                                   
REVDAT   5   23-AUG-23 2F5Y    1       REMARK SEQADV                            
REVDAT   4   13-JUL-11 2F5Y    1       VERSN                                    
REVDAT   3   28-APR-10 2F5Y    1       AUTHOR JRNL                              
REVDAT   2   24-FEB-09 2F5Y    1       VERSN                                    
REVDAT   1   13-DEC-05 2F5Y    0                                                
JRNL        AUTH   E.UGOCHUKWU,G.BERRIDGE,C.JOHANSSON,C.SMEE,P.SAVITSKY,        
JRNL        AUTH 2 N.BURGESS,S.COLEBROOK,X.YANG,J.ELKINS,D.DOYLE,A.TURNBULL,    
JRNL        AUTH 3 E.PAPAGRIGORIOU,J.DEBRECZENI,G.BUNKOCZI,F.GORREC,            
JRNL        AUTH 4 F.VON DELFT,C.ARROWSMITH,M.SUNDSTROM,J.WEIGELT,A.EDWARDS     
JRNL        TITL   CRYSTAL STRUCTURE OF THE PDZ DOMAIN FROM HUMAN RGS-3         
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.39 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.39                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 49.88                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 7967                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.217                           
REMARK   3   R VALUE            (WORKING SET) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.264                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 386                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.39                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.46                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 559                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.20                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2440                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 31                           
REMARK   3   BIN FREE R VALUE                    : 0.3640                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1267                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 42                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 40.86                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.18000                                             
REMARK   3    B22 (A**2) : 4.63000                                              
REMARK   3    B33 (A**2) : -2.45000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.369         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.263         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.177         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 15.045        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.940                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.899                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1310 ; 0.011 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):   921 ; 0.003 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1779 ; 1.484 ; 1.968       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2223 ; 1.524 ; 3.004       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   164 ;10.573 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    56 ;36.290 ;21.964       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   223 ;15.598 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    16 ;13.663 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   201 ; 0.203 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1437 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   268 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   223 ; 0.200 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1020 ; 0.201 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   612 ; 0.166 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   763 ; 0.088 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    54 ; 0.147 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    18 ; 0.137 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    26 ; 0.272 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     4 ; 0.093 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   856 ; 3.122 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   331 ; 1.058 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1327 ; 4.152 ; 5.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   523 ; 6.807 ; 7.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   451 ; 8.990 ;11.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A     14       A      95      4                      
REMARK   3           1     B     14       B      95      4                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   MEDIUM POSITIONAL  1    A    (A):   1042 ;  0.55 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    A (A**2):   1042 ;  0.83 ;  2.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    14        A    95                          
REMARK   3    ORIGIN FOR THE GROUP (A):  11.5012  -4.6324 -21.7192              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2384 T22:  -0.1788                                     
REMARK   3      T33:  -0.1983 T12:  -0.0032                                     
REMARK   3      T13:  -0.0152 T23:   0.0170                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.3408 L22:   5.4178                                     
REMARK   3      L33:   6.5406 L12:   0.8394                                     
REMARK   3      L13:   1.0520 L23:   2.0034                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1600 S12:  -0.1435 S13:  -0.0045                       
REMARK   3      S21:   0.1205 S22:  -0.2332 S23:  -0.0215                       
REMARK   3      S31:   0.1048 S32:   0.0070 S33:   0.0732                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    14        B    95                          
REMARK   3    ORIGIN FOR THE GROUP (A):  11.1807 -16.5929 -43.8321              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.1728 T22:  -0.1803                                     
REMARK   3      T33:  -0.1289 T12:  -0.0071                                     
REMARK   3      T13:  -0.0487 T23:  -0.0110                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.5605 L22:   6.6532                                     
REMARK   3      L33:   6.0421 L12:  -1.2058                                     
REMARK   3      L13:   0.3362 L23:   1.5861                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0224 S12:   0.3398 S13:  -0.0193                       
REMARK   3      S21:  -0.3723 S22:  -0.1232 S23:   0.6764                       
REMARK   3      S31:  -0.0952 S32:  -0.2881 S33:   0.1456                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2F5Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-NOV-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000035491.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-OCT-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X10SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9788                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8381                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.390                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 49.860                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 1I92.PDB, 1QAU.PDB                                   
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.71                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6M AMMONIUM SULPHATE, 0.1M MES, 10%    
REMARK 280  DIOXANE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       45.55500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       22.07000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       45.55500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       22.07000            
REMARK 290   SMTRY3   4  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 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    13                                                      
REMARK 465     PRO A    96                                                      
REMARK 465     GLN A    97                                                      
REMARK 465     VAL A    98                                                      
REMARK 465     LYS A    99                                                      
REMARK 465     PRO A   100                                                      
REMARK 465     GLY A   101                                                      
REMARK 465     PRO A   102                                                      
REMARK 465     ASP A   103                                                      
REMARK 465     SER B    13                                                      
REMARK 465     PRO B    96                                                      
REMARK 465     GLN B    97                                                      
REMARK 465     VAL B    98                                                      
REMARK 465     LYS B    99                                                      
REMARK 465     PRO B   100                                                      
REMARK 465     GLY B   101                                                      
REMARK 465     PRO B   102                                                      
REMARK 465     ASP B   103                                                      
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     GLU A  65    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  72    NZ                                                  
REMARK 470     MET A  94    CE                                                  
REMARK 470     ARG B  17    NE   CZ   NH1  NH2                                  
REMARK 470     LYS B  25    CG   CD   CE   NZ                                   
REMARK 470     ASP B  26    CG   OD1  OD2                                       
REMARK 470     GLN B  56    OE1  NE2                                            
REMARK 470     GLU B  65    CG   CD   OE1  OE2                                  
REMARK 470     GLU B  86    OE1  OE2                                            
REMARK 470     TRP B  92    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP B  92    CZ3  CH2                                            
REMARK 470     MET B  94    CE                                                  
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    CYS A  34      159.42     72.56                                   
REMARK 500    LEU A  57       -9.31     78.19                                   
REMARK 500    ASN A  64     -124.76     53.20                                   
REMARK 500    HIS A  70      -14.28   -160.35                                   
REMARK 500    CYS B  34      161.48     80.97                                   
REMARK 500    LEU B  57       -3.28     75.27                                   
REMARK 500    SER B  85      -61.50   -108.14                                   
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 GLU A   69     HIS A   70                 -105.46                    
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 SO4 A 1                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1I92   RELATED DB: PDB                                   
REMARK 900 STRUCTURAL BASIS OF THE NHERF PDZ1-CFTR INTERACTION                  
REMARK 900 RELATED ID: 1QAU   RELATED DB: PDB                                   
REMARK 900 UNEXPECTED MODES OF PDZ DOMAIN SCAFFOLDING REVEALED BY STRUCTURE OF  
REMARK 900 NNOS-SYNTROPHIN COMPLEX                                              
DBREF  2F5Y A   15   103  UNP    P49796   RGS3_HUMAN      15    103             
DBREF  2F5Y B   15   103  UNP    P49796   RGS3_HUMAN      15    103             
SEQADV 2F5Y SER A   13  UNP  P49796              CLONING ARTIFACT               
SEQADV 2F5Y MET A   14  UNP  P49796              CLONING ARTIFACT               
SEQADV 2F5Y SER B   13  UNP  P49796              CLONING ARTIFACT               
SEQADV 2F5Y MET B   14  UNP  P49796              CLONING ARTIFACT               
SEQRES   1 A   91  SER MET ARG TYR ARG GLN ILE THR ILE PRO ARG GLY LYS          
SEQRES   2 A   91  ASP GLY PHE GLY PHE THR ILE CYS CYS ASP SER PRO VAL          
SEQRES   3 A   91  ARG VAL GLN ALA VAL ASP SER GLY GLY PRO ALA GLU ARG          
SEQRES   4 A   91  ALA GLY LEU GLN GLN LEU ASP THR VAL LEU GLN LEU ASN          
SEQRES   5 A   91  GLU ARG PRO VAL GLU HIS TRP LYS CYS VAL GLU LEU ALA          
SEQRES   6 A   91  HIS GLU ILE ARG SER CYS PRO SER GLU ILE ILE LEU LEU          
SEQRES   7 A   91  VAL TRP ARG MET VAL PRO GLN VAL LYS PRO GLY PRO ASP          
SEQRES   1 B   91  SER MET ARG TYR ARG GLN ILE THR ILE PRO ARG GLY LYS          
SEQRES   2 B   91  ASP GLY PHE GLY PHE THR ILE CYS CYS ASP SER PRO VAL          
SEQRES   3 B   91  ARG VAL GLN ALA VAL ASP SER GLY GLY PRO ALA GLU ARG          
SEQRES   4 B   91  ALA GLY LEU GLN GLN LEU ASP THR VAL LEU GLN LEU ASN          
SEQRES   5 B   91  GLU ARG PRO VAL GLU HIS TRP LYS CYS VAL GLU LEU ALA          
SEQRES   6 B   91  HIS GLU ILE ARG SER CYS PRO SER GLU ILE ILE LEU LEU          
SEQRES   7 B   91  VAL TRP ARG MET VAL PRO GLN VAL LYS PRO GLY PRO ASP          
HET    SO4  A   1       5                                                       
HET    SO4  A   2       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  HOH   *42(H2 O)                                                     
HELIX    1   1 GLY A   47  GLY A   53  1                                   7    
HELIX    2   2 LYS A   72  SER A   82  1                                  11    
HELIX    3   3 GLY B   47  GLY B   53  1                                   7    
HELIX    4   4 LYS B   72  SER B   82  1                                  11    
SHEET    1   A 4 ARG A  15  PRO A  22  0                                        
SHEET    2   A 4 GLU A  86  ARG A  93 -1  O  VAL A  91   N  ARG A  17           
SHEET    3   A 4 THR A  59  LEU A  63 -1  N  THR A  59   O  TRP A  92           
SHEET    4   A 4 ARG A  66  PRO A  67 -1  O  ARG A  66   N  LEU A  63           
SHEET    1   B 2 PHE A  30  CYS A  33  0                                        
SHEET    2   B 2 ARG A  39  VAL A  43 -1  O  ARG A  39   N  CYS A  33           
SHEET    1   C 5 ARG B  15  PRO B  22  0                                        
SHEET    2   C 5 GLU B  86  ARG B  93 -1  O  ILE B  87   N  ILE B  21           
SHEET    3   C 5 THR B  59  LEU B  63 -1  N  LEU B  61   O  LEU B  90           
SHEET    4   C 5 VAL B  38  VAL B  43 -1  N  VAL B  38   O  VAL B  60           
SHEET    5   C 5 PHE B  30  CYS B  33 -1  N  CYS B  33   O  ARG B  39           
SHEET    1   D 4 ARG B  15  PRO B  22  0                                        
SHEET    2   D 4 GLU B  86  ARG B  93 -1  O  ILE B  87   N  ILE B  21           
SHEET    3   D 4 THR B  59  LEU B  63 -1  N  LEU B  61   O  LEU B  90           
SHEET    4   D 4 ARG B  66  PRO B  67 -1  O  ARG B  66   N  LEU B  63           
SSBOND   1 CYS A   33    CYS B   34                          1555   1555  2.03  
SSBOND   2 CYS A   34    CYS B   33                          1555   1555  2.04  
SSBOND   3 CYS A   34    CYS B   34                          1555   1555  2.73  
CISPEP   1 SER A   36    PRO A   37          0        -0.18                     
CISPEP   2 SER B   36    PRO B   37          0        -1.41                     
CISPEP   3 MET B   94    VAL B   95          0        -4.97                     
SITE     1 AC1  7 GLY A  24  LYS A  25  PRO A  48  ARG A  51                    
SITE     2 AC1  7 GLY B  24  LYS B  25  ASP B  26                               
SITE     1 AC2  6 VAL A  74  ALA A  77  HIS A  78  ARG A  81                    
SITE     2 AC2  6 HOH A 122  LYS B  72                                          
CRYST1   91.110   44.140   49.857  90.00  90.00  90.00 P 21 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      0.010976  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022655  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020057        0.00000