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 I 1 21 UNP P01308 INS_HUMAN 90 110 SEQRES 1 I 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 I 21 TYR GLN LEU GLU ASN TYR CYS ASN ATOM 1 CA GLY I 1 126.170 112.587 140.505 1.00 0.00 ATOM 2 CA ILE I 2 123.809 115.358 139.563 1.00 0.00 ATOM 3 CA VAL I 3 122.413 113.233 136.770 1.00 0.00 ATOM 4 CA GLU I 4 121.834 110.166 139.060 1.00 0.00 ATOM 5 CA GLN I 5 120.226 112.274 141.951 1.00 0.00 ATOM 6 CA CYS I 6 118.343 114.852 139.913 1.00 0.00 ATOM 7 CA CYS I 7 117.259 113.028 136.713 1.00 0.00 ATOM 8 CA THR I 8 115.726 110.228 138.701 1.00 0.00 ATOM 9 CA SER I 9 113.978 112.468 141.193 1.00 0.00 ATOM 10 CA ILE I 10 113.399 116.269 141.236 1.00 0.00 ATOM 11 CA CYS I 11 115.960 118.443 143.045 1.00 0.00 ATOM 12 CA SER I 12 114.618 121.765 144.386 1.00 0.00 ATOM 13 CA LEU I 13 116.529 125.106 144.054 1.00 0.00 ATOM 14 CA TYR I 14 118.139 124.537 147.420 1.00 0.00 ATOM 15 CA GLN I 15 119.352 120.990 146.468 1.00 0.00 ATOM 16 CA LEU I 16 120.973 122.382 143.291 1.00 0.00 ATOM 17 CA GLU I 17 122.997 124.746 145.488 1.00 0.00 ATOM 18 CA ASN I 18 124.977 121.810 146.904 1.00 0.00 ATOM 19 CA TYR I 19 126.791 121.466 143.508 1.00 0.00 ATOM 20 CA CYS I 20 127.980 125.094 143.473 1.00 0.00 ATOM 21 CA ASN I 21 131.699 125.593 143.685 1.00 0.00 TER