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 K    1    21  UNP    P01308   INS_HUMAN       90    110
SEQRES   1 K   21  GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU
SEQRES   2 K   21  TYR GLN LEU GLU ASN TYR CYS ASN                    
ATOM      1  CA  GLY K   1     137.033 135.926 133.089  1.00  0.00
ATOM      2  CA  ILE K   2     134.429 134.417 130.798  1.00  0.00
ATOM      3  CA  VAL K   3     132.173 137.553 131.287  1.00  0.00
ATOM      4  CA  GLU K   4     134.832 140.145 129.987  1.00  0.00
ATOM      5  CA  GLN K   5     136.057 137.925 127.243  1.00  0.00
ATOM      6  CA  CYS K   6     132.611 136.733 125.945  1.00  0.00
ATOM      7  CA  CYS K   7     129.829 139.218 126.756  1.00  0.00
ATOM      8  CA  THR K   8     131.759 142.418 125.402  1.00  0.00
ATOM      9  CA  SER K   9     132.376 140.486 122.116  1.00  0.00
ATOM     10  CA  ILE K  10     130.725 137.223 121.721  1.00  0.00
ATOM     11  CA  CYS K  11     133.024 134.162 122.265  1.00  0.00
ATOM     12  CA  SER K  12     133.037 131.203 119.849  1.00  0.00
ATOM     13  CA  LEU K  13     132.661 127.763 121.438  1.00  0.00
ATOM     14  CA  TYR K  14     136.444 127.094 120.936  1.00  0.00
ATOM     15  CA  GLN K  15     137.232 129.792 123.599  1.00  0.00
ATOM     16  CA  LEU K  16     134.434 128.472 125.728  1.00  0.00
ATOM     17  CA  GLU K  17     136.292 125.072 125.575  1.00  0.00
ATOM     18  CA  ASN K  18     138.959 126.865 127.712  1.00  0.00
ATOM     19  CA  TYR K  19     136.221 127.034 130.323  1.00  0.00
ATOM     20  CA  CYS K  20     135.594 123.280 130.134  1.00  0.00
ATOM     21  CA  ASN K  21     137.037 121.716 133.305  1.00  0.00
TER