PDB Short entry for 1GEA
HEADER    NEUROPEPTIDE                            20-OCT-00   1GEA              
TITLE     RECEPTOR-BOUND CONFORMATION OF PACAP21                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PITUITARY ADENYLATE CYCLASE ACTIVATING POLYPEPTIDE;        
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: N-TERMINAL DOMAIN(RESIDUE 132-152);                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HUMANS.             
KEYWDS    BETA COIL, CONSECUTIVE BETA TURNS, TYPE-II BETA TURN, TYPE-I BETA     
KEYWDS   2 TURN, HELIX, NEUROPEPTIDE                                            
EXPDTA    SOLUTION NMR                                                          
NUMMDL    25                                                                    
AUTHOR    H.INOOKA,T.OHTAKI,O.KITAHARA,T.IKEGAMI,S.ENDO,C.KITADA,K.OGI,H.ONDA,  
AUTHOR   2 M.FUJINO,M.SHIRAKAWA                                                 
REVDAT   5   27-DEC-23 1GEA    1       REMARK                                   
REVDAT   4   23-FEB-22 1GEA    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 1GEA    1       VERSN                                    
REVDAT   2   21-JAN-03 1GEA    1       REMARK                                   
REVDAT   1   20-APR-01 1GEA    0                                                
JRNL        AUTH   H.INOOKA,T.OHTAKI,O.KITAHARA,T.IKEGAMI,S.ENDO,C.KITADA,      
JRNL        AUTH 2 K.OGI,H.ONDA,M.FUJINO,M.SHIRAKAWA                            
JRNL        TITL   CONFORMATION OF A PEPTIDE LIGAND BOUND TO ITS G-PROTEIN      
JRNL        TITL 2 COUPLED RECEPTOR.                                            
JRNL        REF    NAT.STRUCT.BIOL.              V.   8   161 2001              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   11175907                                                     
JRNL        DOI    10.1038/84159                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1, X-PLOR 3.1                               
REMARK   3   AUTHORS     : BRUNGER, A.T. (X-PLOR), BRUNGER, A.T. (X-PLOR)       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURES ARE CALCULATED BY SA       
REMARK   3  PROTOCOL OF X-PLOR BASED ON A TOTAL OF 387 TRNOE-DERIVED            
REMARK   3  DISTANCE RESTRAINTS OBTAINED FROM THE IRMA REFINEMENT.              
REMARK   4                                                                      
REMARK   4 1GEA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-NOV-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000005070.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 6.3                                
REMARK 210  IONIC STRENGTH                 : 0.41                               
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 1.7MM PACAP21; 40MM PACAP          
REMARK 210                                   RECEPTOR; 80MM PHOSPHATE BUFFER    
REMARK 210                                   (PH 6.3); 1.7MM PACAP21; 40MM      
REMARK 210                                   PACAP RECEPTOR; 80MM PHOSPHATE     
REMARK 210                                   BUFFER (PH 6.3)                    
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : TRNOESY                            
REMARK 210  SPECTROMETER FIELD STRENGTH    : 800 MHZ                            
REMARK 210  SPECTROMETER MODEL             : DRX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : IRMA 30-JUL-90                     
REMARK 210   METHOD USED                   : ITERATIVE RELAXATION MATRIX        
REMARK 210                                   ANALYSIS (IRMA) AND SIMULATED      
REMARK 210                                   ANNEALING (SA)                     
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 25                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 12                  
REMARK 210                                                                      
REMARK 210 REMARK: BOTH TRNOE AND NOE CROSS PEAKS WERE OBSERVED IN THE          
REMARK 210  SPECTRUM: THE FORMER REFLECTS THE CONFORMATION OF PACAP21 IN THE    
REMARK 210  RECEPTOR-BOUND FORM, WHILE THE LATTER REFLECTS THAT OF UNBOUND      
REMARK 210  PACAP21. UPON ADDITION OF A HIGHER AFFINITY LIGAND, PACAP27, THE    
REMARK 210  TRNOE CROSS PEAKS WERE SELECTIVELY ELIMINATED DUE TO A              
REMARK 210  COMPETITIVE INHIBITION OF THE SPECIFIC BINDING OF PACAP21 TO THE    
REMARK 210  RECEPTOR. ACCORDINGLY, THE SUBTRACTION OF THESE TWO SPECTRA         
REMARK 210  YIELDS TRNOE-RELATED CROSS PEAKS EXCLUSIVELY.                       
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: 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 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    TYR A    10     H    ARG A    14              1.37            
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 ASP A   3       70.76   -168.79                                   
REMARK 500  1 ILE A   5      -28.25    -39.51                                   
REMARK 500  1 PHE A   6       76.70   -107.77                                   
REMARK 500  1 THR A   7     -144.08   -177.37                                   
REMARK 500  1 MET A  17      -77.50    -49.02                                   
REMARK 500  2 ASP A   3       67.62   -158.84                                   
REMARK 500  2 ILE A   5      -27.81    -39.55                                   
REMARK 500  2 PHE A   6       75.81   -107.10                                   
REMARK 500  2 THR A   7     -144.49   -178.79                                   
REMARK 500  2 ARG A  14      -71.62   -101.59                                   
REMARK 500  2 MET A  17      -74.62    -44.29                                   
REMARK 500  3 ASP A   3       70.21   -166.70                                   
REMARK 500  3 ILE A   5      -28.37    -38.70                                   
REMARK 500  3 PHE A   6       76.20   -107.74                                   
REMARK 500  3 THR A   7     -143.29   -178.54                                   
REMARK 500  3 ARG A  14      -72.86   -102.13                                   
REMARK 500  3 MET A  17      -76.82    -45.56                                   
REMARK 500  3 LYS A  20     -155.41    -77.00                                   
REMARK 500  4 SER A   2      154.12     58.69                                   
REMARK 500  4 ASP A   3       75.90    178.52                                   
REMARK 500  4 ILE A   5      -28.02    -38.52                                   
REMARK 500  4 PHE A   6       76.14   -108.56                                   
REMARK 500  4 THR A   7     -141.16   -177.61                                   
REMARK 500  4 ASP A   8      -60.84    -99.42                                   
REMARK 500  4 ARG A  14      -72.19   -108.58                                   
REMARK 500  4 MET A  17      -73.36    -43.26                                   
REMARK 500  4 LYS A  20       47.74    -83.41                                   
REMARK 500  5 ASP A   3       70.96   -167.03                                   
REMARK 500  5 ILE A   5      -29.91    -37.31                                   
REMARK 500  5 PHE A   6       76.23   -107.59                                   
REMARK 500  5 THR A   7     -142.26   -178.51                                   
REMARK 500  5 MET A  17      -76.77    -45.79                                   
REMARK 500  5 LYS A  20     -160.34    -68.91                                   
REMARK 500  6 ILE A   5      -30.91    -36.92                                   
REMARK 500  6 PHE A   6       75.01   -109.06                                   
REMARK 500  6 THR A   7     -141.66   -173.98                                   
REMARK 500  6 ARG A  14      -70.01    -94.47                                   
REMARK 500  6 MET A  17      -73.52    -43.82                                   
REMARK 500  6 LYS A  20       45.50    -86.50                                   
REMARK 500  7 ASP A   3       72.82   -171.25                                   
REMARK 500  7 ILE A   5      -27.92    -39.05                                   
REMARK 500  7 PHE A   6       77.31   -109.12                                   
REMARK 500  7 THR A   7     -143.43   -177.50                                   
REMARK 500  7 ARG A  14      -75.47   -110.24                                   
REMARK 500  7 MET A  17      -71.99    -41.94                                   
REMARK 500  8 SER A   2      158.96     57.32                                   
REMARK 500  8 ASP A   3       74.22   -177.35                                   
REMARK 500  8 ILE A   5      -28.06    -38.92                                   
REMARK 500  8 PHE A   6       76.38   -107.12                                   
REMARK 500  8 THR A   7     -145.20   -179.01                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     161 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 ARG A  12         0.28    SIDE CHAIN                              
REMARK 500  1 ARG A  14         0.26    SIDE CHAIN                              
REMARK 500  2 ARG A  12         0.19    SIDE CHAIN                              
REMARK 500  2 ARG A  14         0.19    SIDE CHAIN                              
REMARK 500  3 ARG A  12         0.26    SIDE CHAIN                              
REMARK 500  3 ARG A  14         0.20    SIDE CHAIN                              
REMARK 500  4 ARG A  12         0.24    SIDE CHAIN                              
REMARK 500  4 ARG A  14         0.23    SIDE CHAIN                              
REMARK 500  5 ARG A  12         0.21    SIDE CHAIN                              
REMARK 500  5 ARG A  14         0.27    SIDE CHAIN                              
REMARK 500  6 ARG A  12         0.25    SIDE CHAIN                              
REMARK 500  6 ARG A  14         0.28    SIDE CHAIN                              
REMARK 500  7 ARG A  12         0.31    SIDE CHAIN                              
REMARK 500  7 ARG A  14         0.26    SIDE CHAIN                              
REMARK 500  8 ARG A  12         0.26    SIDE CHAIN                              
REMARK 500  8 ARG A  14         0.17    SIDE CHAIN                              
REMARK 500  9 ARG A  12         0.28    SIDE CHAIN                              
REMARK 500  9 ARG A  14         0.23    SIDE CHAIN                              
REMARK 500 10 ARG A  12         0.28    SIDE CHAIN                              
REMARK 500 10 ARG A  14         0.21    SIDE CHAIN                              
REMARK 500 11 ARG A  12         0.20    SIDE CHAIN                              
REMARK 500 11 ARG A  14         0.15    SIDE CHAIN                              
REMARK 500 12 ARG A  12         0.28    SIDE CHAIN                              
REMARK 500 12 ARG A  14         0.22    SIDE CHAIN                              
REMARK 500 13 ARG A  12         0.19    SIDE CHAIN                              
REMARK 500 13 ARG A  14         0.22    SIDE CHAIN                              
REMARK 500 14 ARG A  12         0.25    SIDE CHAIN                              
REMARK 500 14 ARG A  14         0.24    SIDE CHAIN                              
REMARK 500 15 ARG A  12         0.27    SIDE CHAIN                              
REMARK 500 15 ARG A  14         0.22    SIDE CHAIN                              
REMARK 500 16 ARG A  12         0.30    SIDE CHAIN                              
REMARK 500 16 ARG A  14         0.14    SIDE CHAIN                              
REMARK 500 17 ARG A  12         0.19    SIDE CHAIN                              
REMARK 500 17 ARG A  14         0.27    SIDE CHAIN                              
REMARK 500 18 ARG A  12         0.31    SIDE CHAIN                              
REMARK 500 18 ARG A  14         0.24    SIDE CHAIN                              
REMARK 500 19 ARG A  12         0.27    SIDE CHAIN                              
REMARK 500 19 ARG A  14         0.26    SIDE CHAIN                              
REMARK 500 20 ARG A  12         0.20    SIDE CHAIN                              
REMARK 500 20 ARG A  14         0.22    SIDE CHAIN                              
REMARK 500 21 ARG A  12         0.30    SIDE CHAIN                              
REMARK 500 21 ARG A  14         0.27    SIDE CHAIN                              
REMARK 500 22 ARG A  12         0.31    SIDE CHAIN                              
REMARK 500 22 ARG A  14         0.29    SIDE CHAIN                              
REMARK 500 23 ARG A  12         0.24    SIDE CHAIN                              
REMARK 500 23 ARG A  14         0.13    SIDE CHAIN                              
REMARK 500 24 ARG A  12         0.20    SIDE CHAIN                              
REMARK 500 24 ARG A  14         0.26    SIDE CHAIN                              
REMARK 500 25 ARG A  12         0.21    SIDE CHAIN                              
REMARK 500 25 ARG A  14         0.24    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1GEA A    1    21  UNP    P18509   PACA_HUMAN     132    152             
SEQADV 1GEA LYN A   21  UNP  P18509    LYS   152 MODIFIED RESIDUE               
SEQRES   1 A   21  HIS SER ASP GLY ILE PHE THR ASP SER TYR SER ARG TYR          
SEQRES   2 A   21  ARG LYS GLN MET ALA VAL LYS LYN                              
MODRES 1GEA LYN A   21  LYS  2,6-DIAMINO-HEXANOIC ACID AMIDE                    
HET    LYN  A  21      25                                                       
HETNAM     LYN 2,6-DIAMINO-HEXANOIC ACID AMIDE                                  
FORMUL   1  LYN    C6 H16 N3 O 1+                                               
HELIX    1   1 ASP A    8  LYS A   20  1                                  13    
LINK         C   LYS A  20                 N   LYN A  21     1555   1555  1.31  
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