HEADER    PEPTIDE BINDING PROTEIN, HORMONE        31-MAR-11   2LBH              
TITLE     SOLUTION STRUCTURE OF THE DIMERIC FORM OF A UNLIGANDED BOVINE         
TITLE    2 NEUROPHYSIN, MINIMIZED AVERAGE STRUCTURE                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NEUROPHYSIN 1;                                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE,COW,DOMESTIC CATTLE,DOMESTIC COW;            
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 GENE: OXT;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE)PLYS S;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: T7                                         
KEYWDS    DIMERIZATION, HORMONE, PEPTIDE BINDING PROTEIN                        
EXPDTA    SOLUTION NMR                                                          
NUMMDL    21                                                                    
MDLTYP    MINIMIZED AVERAGE                                                     
AUTHOR    H.LEE,M.NAIK,T.NGUYEN,C.BRACKEN,E.BRESLOW                             
REVDAT   2   20-NOV-24 2LBH    1       REMARK                                   
REVDAT   1   04-APR-12 2LBH    0                                                
JRNL        AUTH   H.LEE,M.NAIK,C.BRACKEN,E.BRESLOW                             
JRNL        TITL   STRUCTURAL BASIS OF THE DIMERIZATION-INDUCED INCREASE IN     
JRNL        TITL 2 NEUROPHYSIN-HORMONE AFFINITY: INTERPLAY OF INTER-DOMAIN AND  
JRNL        TITL 3 INTER-SUBUNIT INTERACTIONS                                   
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNSSOLVE 1.0                                         
REMARK   3   AUTHORS     : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2LBH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-APR-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000102192.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 308; 298; 314                      
REMARK 210  PH                             : 2.7; 2.7; 2.7                      
REMARK 210  IONIC STRENGTH                 : 0; 0; 10MM 0.15MM                  
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT; AMBIENT          
REMARK 210  SAMPLE CONTENTS                : 1 MM [U-100% 15N] PROTEIN, 90%     
REMARK 210                                   H2O/10% D2O                        
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D 1H-15N HSQC; 2D 1H-13C HSQC;    
REMARK 210                                   3D HNCA; 3D HN(CO)CA; 3D HNCACB;   
REMARK 210                                   3D HNHA; 3D HNCO; 3D 1H-15N        
REMARK 210                                   NOESY; 3D 1H-13C NOESY; 3D HCCH-   
REMARK 210                                   TOCSY                              
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ; 700 MHZ                   
REMARK 210  SPECTROMETER MODEL             : INOVA; AVANCE                      
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN; BRUKER                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : ARIA 1.0, NMRPIPE 1.0, TALOS,      
REMARK 210                                   SPARKY, PROCHECKNMR                
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 21                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LEAST          
REMARK 210                                   RESTRAINT VIOLATIONS               
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    LEU A     3     H    LEU A     5              1.26            
REMARK 500   HB1  ALA A    70     HB3  ALA A    89              1.28            
REMARK 500  HD11  LEU B   103    HD11  LEU B   105              1.31            
REMARK 500   H    CYS B   173     O    HIS B   180              1.38            
REMARK 500   H    CYS A    73     O    HIS A    80              1.40            
REMARK 500   O    LEU B   103     H    LEU B   105              1.42            
REMARK 500   O    CYS A    85     HB1  ALA A    89              1.51            
REMARK 500   O    GLU A    88     O    ALA A    90              1.52            
REMARK 500   O    CYS B   185     HB1  ALA B   189              1.58            
REMARK 500   O    GLU B   188     O    ALA B   190              1.63            
REMARK 500   O    PRO B   187     N    ALA B   189              1.84            
REMARK 500   O    PRO A    87     N    ALA A    89              1.89            
REMARK 500   O    LEU A     3     N    LEU A     5              2.15            
REMARK 500   N    GLY B   171     O    CYS B   185              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500 16 PRO B 187   N   -  CA  -  CB  ANGL. DEV. =  -7.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500  1 LEU A   3       77.66   -155.97                                   
REMARK 500  1 ASP A   4       49.61    -61.78                                   
REMARK 500  1 LEU A   5      -79.86   -153.51                                   
REMARK 500  1 ASP A   6      -63.54   -167.38                                   
REMARK 500  1 LEU A  11      113.29    -34.82                                   
REMARK 500  1 PRO A  53     -166.90    -70.37                                   
REMARK 500  1 GLN A  55      -97.88     53.93                                   
REMARK 500  1 SER A  56      142.30     92.55                                   
REMARK 500  1 LYS A  59       58.26   -146.33                                   
REMARK 500  1 PRO A  60       85.50    -64.63                                   
REMARK 500  1 SER A  63       45.33    -78.79                                   
REMARK 500  1 PRO A  76       32.60    -74.26                                   
REMARK 500  1 ASP A  77      -49.68   -147.54                                   
REMARK 500  1 GLU A  88       75.17     -5.97                                   
REMARK 500  1 ALA A  89      -30.99    -32.91                                   
REMARK 500  1 VAL B 102      117.42     60.82                                   
REMARK 500  1 ASP B 104       64.23    -64.93                                   
REMARK 500  1 LEU B 105      -83.76   -154.30                                   
REMARK 500  1 ASP B 106      -54.34   -169.15                                   
REMARK 500  1 LEU B 111      112.82    -33.78                                   
REMARK 500  1 PRO B 115       99.32    -66.19                                   
REMARK 500  1 PRO B 153     -167.97    -69.77                                   
REMARK 500  1 GLN B 155      -98.23     55.12                                   
REMARK 500  1 SER B 156      137.55     92.95                                   
REMARK 500  1 LYS B 159       55.41   -115.42                                   
REMARK 500  1 PRO B 160       85.57    -63.09                                   
REMARK 500  1 SER B 163       43.77    -78.57                                   
REMARK 500  1 PRO B 176       32.61    -74.02                                   
REMARK 500  1 ASP B 177      -49.53   -147.69                                   
REMARK 500  1 GLU B 188       79.06    -11.10                                   
REMARK 500  1 ALA B 189      -27.40    -36.96                                   
REMARK 500  2 VAL A   2       57.44     88.91                                   
REMARK 500  2 LEU A   3      102.43   -169.72                                   
REMARK 500  2 LEU A   5      -70.64    -80.78                                   
REMARK 500  2 ASP A   6     -117.77   -156.40                                   
REMARK 500  2 LEU A  11      110.88    -31.56                                   
REMARK 500  2 PHE A  22      -49.56   -131.85                                   
REMARK 500  2 PRO A  24      -60.55    -94.18                                   
REMARK 500  2 THR A  38      167.10    177.86                                   
REMARK 500  2 TYR A  49       50.24   -113.71                                   
REMARK 500  2 PRO A  51       33.92    -87.22                                   
REMARK 500  2 CYS A  54       96.76    -60.14                                   
REMARK 500  2 SER A  56     -154.71   -170.29                                   
REMARK 500  2 GLN A  58       70.46   -119.46                                   
REMARK 500  2 LYS A  59       44.69   -143.68                                   
REMARK 500  2 SER A  63       44.46    -83.29                                   
REMARK 500  2 PRO A  76       29.93    -73.73                                   
REMARK 500  2 ASP A  77      -48.93   -145.89                                   
REMARK 500  2 ASP A  86       24.19   -171.17                                   
REMARK 500  2 PRO A  87     -177.33    -65.86                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     768 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500  2 PRO B 112        -10.44                                           
REMARK 500 16 GLY A  71        -10.58                                           
REMARK 500 16 PRO B 115        -10.15                                           
REMARK 500 16 GLU B 188        -10.45                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 17561   RELATED DB: BMRB                                 
REMARK 900 RELATED ID: 2LBN   RELATED DB: PDB                                   
DBREF  2LBH A    1    92  UNP    P01175   NEU1_BOVIN      32    123             
DBREF  2LBH B  101   192  UNP    P01175   NEU1_BOVIN      32    123             
SEQRES   1 A   92  ALA VAL LEU ASP LEU ASP VAL ARG THR CYS LEU PRO CYS          
SEQRES   2 A   92  GLY PRO GLY GLY LYS GLY ARG CYS PHE GLY PRO SER ILE          
SEQRES   3 A   92  CYS CYS GLY ASP GLU LEU GLY CYS PHE VAL GLY THR ALA          
SEQRES   4 A   92  GLU ALA LEU ARG CYS GLN GLU GLU ASN TYR LEU PRO SER          
SEQRES   5 A   92  PRO CYS GLN SER GLY GLN LYS PRO CYS GLY SER GLY GLY          
SEQRES   6 A   92  ARG CYS ALA ALA ALA GLY ILE CYS CYS SER PRO ASP GLY          
SEQRES   7 A   92  CYS HIS GLU ASP PRO ALA CYS ASP PRO GLU ALA ALA PHE          
SEQRES   8 A   92  SER                                                          
SEQRES   1 B   92  ALA VAL LEU ASP LEU ASP VAL ARG THR CYS LEU PRO CYS          
SEQRES   2 B   92  GLY PRO GLY GLY LYS GLY ARG CYS PHE GLY PRO SER ILE          
SEQRES   3 B   92  CYS CYS GLY ASP GLU LEU GLY CYS PHE VAL GLY THR ALA          
SEQRES   4 B   92  GLU ALA LEU ARG CYS GLN GLU GLU ASN TYR LEU PRO SER          
SEQRES   5 B   92  PRO CYS GLN SER GLY GLN LYS PRO CYS GLY SER GLY GLY          
SEQRES   6 B   92  ARG CYS ALA ALA ALA GLY ILE CYS CYS SER PRO ASP GLY          
SEQRES   7 B   92  CYS HIS GLU ASP PRO ALA CYS ASP PRO GLU ALA ALA PHE          
SEQRES   8 B   92  SER                                                          
HELIX    1   1 ALA A   41  LEU A   50  5                                  10    
HELIX    2   2 PRO A   83  ASP A   86  5                                   4    
HELIX    3   3 ALA B  141  LEU B  150  5                                  10    
HELIX    4   4 ASP B  182  ASP B  186  5                                   5    
SHEET    1   A 6 CYS A  21  GLY A  23  0                                        
SHEET    2   A 6 ILE A  26  CYS A  28 -1  O  ILE A  26   N  PHE A  22           
SHEET    3   A 6 CYS A  34  VAL A  36 -1  O  PHE A  35   N  CYS A  27           
SHEET    4   A 6 CYS B 134  VAL B 136 -1  O  CYS B 134   N  VAL A  36           
SHEET    5   A 6 ILE B 126  CYS B 128 -1  N  CYS B 127   O  PHE B 135           
SHEET    6   A 6 CYS B 121  GLY B 123 -1  N  PHE B 122   O  ILE B 126           
SHEET    1   B 6 ARG A  66  CYS A  67  0                                        
SHEET    2   B 6 ILE A  72  CYS A  74 -1  O  CYS A  74   N  ARG A  66           
SHEET    3   B 6 GLY A  78  GLU A  81 -1  O  HIS A  80   N  CYS A  73           
SHEET    4   B 6 GLY B 178  HIS B 180 -1  O  CYS B 179   N  CYS A  79           
SHEET    5   B 6 CYS B 173  CYS B 174 -1  N  CYS B 173   O  HIS B 180           
SHEET    6   B 6 ARG B 166  CYS B 167 -1  N  ARG B 166   O  CYS B 174           
SSBOND   1 CYS A   10    CYS A   54                          1555   1555  2.04  
SSBOND   2 CYS A   13    CYS A   27                          1555   1555  2.03  
SSBOND   3 CYS A   21    CYS A   44                          1555   1555  2.03  
SSBOND   4 CYS A   28    CYS A   34                          1555   1555  2.03  
SSBOND   5 CYS A   61    CYS A   73                          1555   1555  2.03  
SSBOND   6 CYS A   67    CYS A   85                          1555   1555  2.03  
SSBOND   7 CYS A   74    CYS A   79                          1555   1555  2.03  
SSBOND   8 CYS B  110    CYS B  154                          1555   1555  2.03  
SSBOND   9 CYS B  113    CYS B  127                          1555   1555  2.04  
SSBOND  10 CYS B  121    CYS B  144                          1555   1555  2.03  
SSBOND  11 CYS B  128    CYS B  134                          1555   1555  2.04  
SSBOND  12 CYS B  161    CYS B  173                          1555   1555  2.03  
SSBOND  13 CYS B  167    CYS B  185                          1555   1555  2.03  
SSBOND  14 CYS B  174    CYS B  179                          1555   1555  2.03  
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1