USER  PDBRUN  5
USER  EYEPOS    25.740    21.520   173.146
USER  ATPOS     25.740    21.520    10.972
USER  WINDOW   -29.271    29.271   -44.802    44.802   135.097   193.638
USER  FOCUS   162.175
USER  VIEWPORT     0.000   801.000     0.000  1226.000
USER  BGCOLOR 0.000 0.000 0.000
MODEL        0
USER  FILE /mol/pdb/rel/1gcn
HEADER    HORMONE                                 17-OCT-77   1GCN
COMPND    GLUCAGON (PH 6 - PH 7 FORM)
SOURCE    PORCINE (SUS SCROFA) PANCREAS
AUTHOR    T.L.BLUNDELL,K.SASAKI,S.DOCKERILL,I.J.TICKLE
REVDAT   5   30-SEP-83 1GCND   1       REVDAT
REVDAT   4   31-DEC-80 1GCNC   1       REMARK
REVDAT   3   22-OCT-79 1GCNB   3       ATOM
REVDAT   2   29-AUG-79 1GCNA   3       CRYST1
REVDAT   1   28-NOV-77 1GCN    0
JRNL        AUTH   K.SASAKI,S.DOCKERILL,D.A.ADAMIAK,I.J.TICKLE,
JRNL        AUTH 2 T.BLUNDELL
JRNL        TITL   X-RAY ANALYSIS OF GLUCAGON AND ITS RELATIONSHIP TO
JRNL        TITL 2 RECEPTOR BINDING
JRNL        REF    NATURE                        V. 257   751 1975
JRNL        REFN   ASTM NATUAS  UK ISSN 0028-0836                  006
REMARK   1
REMARK   1 REFERENCE 1
REMARK   1  EDIT   M.O.DAYHOFF
REMARK   1  REF    ATLAS OF PROTEIN SEQUENCE     V.   5   125 1976
REMARK   1  REF  2 AND STRUCTURE,SUPPLEMENT 2
REMARK   1  PUBL   NATIONAL BIOMEDICAL RESEARCH FOUNDATION,
REMARK   1  PUBL 2 SILVER SPRING,MD.
REMARK   1  REFN                   ISBN 0-912466-05-7              435
REMARK   2
REMARK   2 RESOLUTION. 3.0 ANGSTROMS.
REMARK   3
REMARK   3 REFINEMENT. REALSPACE REFINEMENT AND ENERGY REFINEMENT.
REMARK   4
REMARK   4 THE GLUCAGON CRYSTALS ARE FORMED AT PH 9.2 AND THEN THE PH
REMARK   4 IS CHANGED TO BETWEEN 6 AND 7.  CRYSTALS AT BOTH PH,S HAVE
REMARK   4 HIGH TEMPERATURE FACTORS, AND DATA TERMINATE AT
REMARK   4 APPROXIMATELY 3 ANGSTROMS RESOLUTION.  THE COORDINATES ARE
REMARK   4 OBTAINED FROM THE 3 ANGSTROMS RESOLUTION ELECTRON DENSITY
REMARK   4 MAP AND REFINED USING REAL SPACE REFINEMENT AGAINST
REMARK   4 (2FOBS-FCALC),ALPHA CALC  ELECTRON DENSITY MAPS WITH
REMARK   4 GEOMETRIC RESTRAINTS, FOLLOWED BY LEVITT ENERGY
REMARK   4 MINIMIZATION.  NO SOLVENT CAN BE INCLUDED AT 3 ANGSTROMS.
REMARK   4 WARNING - LOW RESOLUTION (3 ANGSTROMS) IMPLIES RATHER
REMARK   4 INACCURATE COORDINATES AND MEANINGLESS TEMPERATURE FACTORS.
REMARK   5
REMARK   5 CORRECTION.  MOVE CRYST1 RECORD TO ITS PROPER POSITION.
REMARK   5  29-AUG-79.
REMARK   6
REMARK   6 CORRECTION. FIX NAMING AND HENCE ORDERING OF TWO ATOMS.
REMARK   6  22-OCT-79.
REMARK   7
REMARK   7 CORRECTION. STANDARDIZE FORMAT OF REMARK 2.  31-DEC-80.
REMARK   8
REMARK   8 CORRECTION. INSERT REVDAT RECORDS. 30-SEP-83.
SEQRES   1     29  HIS SER GLN GLY THR PHE THR SER ASP TYR SER LYS TYR
SEQRES   2     29  LEU ASP SER ARG ARG ALA GLN ASP PHE VAL GLN TRP LEU
SEQRES   3     29  MET ASN THR
FTNOTE   1
FTNOTE   1 RESIDUES 1 THROUGH 5 ARE RATHER DISORDERED IN THE CRYSTALS.
HELIX    1   A PHE      6  LEU     26  1
CRYST1   47.100   47.100   47.100  90.00  90.00  90.00 P 21 3       12
ORIGX1      0.021231  0.000000  0.000000        0.00000
ORIGX2      0.000000  0.021231  0.000000        0.00000
ORIGX3      0.000000  0.000000  0.021231        0.00000
SCALE1      0.021231  0.000000  0.000000        0.00000
SCALE2      0.000000  0.021231  0.000000        0.00000
SCALE3      0.000000  0.000000  0.021231        0.00000
MASTER       34    2    0    1    0    0    0    6  246    1    0    3
ATOM      1  N   HIS     1      49.668  24.248  10.436  1.00 25.00
USER  COLOR 0 1.000 1.000 1.000
USER  RADIUS   1.800
ATOM      2  CA  HIS     1      50.197  25.578  10.784  1.00 16.00
USER  COLOR 0 1.000 1.000 1.000
USER  RADIUS   1.800
ATOM      3  C   HIS     1      49.169  26.701  10.917  1.00 16.00
USER  COLOR 0 1.000 1.000 1.000
USER  RADIUS   1.800
ATOM      4  O   HIS     1      48.241  26.524  11.749  1.00 16.00
USER  COLOR 0 1.000 1.000 1.000
USER  RADIUS   1.500
TER       5      HIS     1
CONECT    1    2
CONECT    2    1    3
CONECT    3    2    4
CONECT    4    3
ENDMDL
END
