HEADER    HORMONE                                 31-DEC-69   6JR3
TITLE     Crystal structure of insulin hexamer fitted into cryo EM density map
TITLE   2 where each dimer was kept as rigid body
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Insulin A chain;
COMPND   3 CHAIN: A, C, G, E, I, K;
COMPND   4 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6JR3 A    1    21  UNP    P01308   INS_HUMAN       90    110
SEQRES   1 A   21  GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU
SEQRES   2 A   21  TYR GLN LEU GLU ASN TYR CYS ASN                    
ATOM      1  CA  GLY A   1     126.106 126.254  98.429  1.00  0.00
ATOM      2  CA  ILE A   2     124.586 124.707 101.520  1.00  0.00
ATOM      3  CA  VAL A   3     125.561 127.893 103.388  1.00  0.00
ATOM      4  CA  GLU A   4     123.522 130.236 101.186  1.00  0.00
ATOM      5  CA  GLN A   5     120.623 127.690 100.924  1.00  0.00
ATOM      6  CA  CYS A   6     120.302 126.753 104.634  1.00  0.00
ATOM      7  CA  CYS A   7     121.585 129.701 106.715  1.00  0.00
ATOM      8  CA  THR A   8     119.418 132.515 105.235  1.00  0.00
ATOM      9  CA  SER A   9     116.231 130.423 106.047  1.00  0.00
ATOM     10  CA  ILE A  10     115.479 127.105 107.756  1.00  0.00
ATOM     11  CA  CYS A  11     115.914 124.051 105.604  1.00  0.00
ATOM     12  CA  SER A  12     113.965 120.834 105.897  1.00  0.00
ATOM     13  CA  LEU A  13     116.415 117.970 106.574  1.00  0.00
ATOM     14  CA  TYR A  14     115.943 116.591 103.068  1.00  0.00
ATOM     15  CA  GLN A  15     117.161 119.922 101.548  1.00  0.00
ATOM     16  CA  LEU A  16     120.294 119.280 103.732  1.00  0.00
ATOM     17  CA  GLU A  17     120.318 115.824 102.292  1.00  0.00
ATOM     18  CA  ASN A  18     121.272 117.361  98.700  1.00  0.00
ATOM     19  CA  TYR A  19     124.568 118.129 100.331  1.00  0.00
ATOM     20  CA  CYS A  20     125.072 114.606 101.397  1.00  0.00
ATOM     21  CA  ASN A  21     127.262 112.708  98.885  1.00  0.00
TER