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 C 1 21 UNP P01308 INS_HUMAN 90 110 SEQRES 1 C 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 C 21 TYR GLN LEU GLU ASN TYR CYS ASN ATOM 1 CA GLY C 1 139.389 106.826 107.118 1.00 0.00 ATOM 2 CA ILE C 2 138.902 109.399 109.820 1.00 0.00 ATOM 3 CA VAL C 3 136.769 107.164 112.088 1.00 0.00 ATOM 4 CA GLU C 4 139.431 104.445 112.201 1.00 0.00 ATOM 5 CA GLN C 5 142.284 106.884 112.792 1.00 0.00 ATOM 6 CA CYS C 6 140.637 109.502 115.076 1.00 0.00 ATOM 7 CA CYS C 7 138.146 107.598 117.200 1.00 0.00 ATOM 8 CA THR C 8 140.767 105.000 118.135 1.00 0.00 ATOM 9 CA SER C 9 143.378 107.537 119.035 1.00 0.00 ATOM 10 CA ILE C 10 142.895 111.274 118.986 1.00 0.00 ATOM 11 CA CYS C 11 143.571 113.186 115.745 1.00 0.00 ATOM 12 CA SER C 12 145.153 116.649 116.020 1.00 0.00 ATOM 13 CA LEU C 13 143.934 119.691 114.068 1.00 0.00 ATOM 14 CA TYR C 14 146.825 119.025 111.636 1.00 0.00 ATOM 15 CA GLN C 15 145.785 115.377 111.254 1.00 0.00 ATOM 16 CA LEU C 16 142.202 116.533 110.771 1.00 0.00 ATOM 17 CA GLU C 17 143.490 118.849 108.009 1.00 0.00 ATOM 18 CA ASN C 18 144.356 115.504 106.105 1.00 0.00 ATOM 19 CA TYR C 19 140.572 114.886 105.514 1.00 0.00 ATOM 20 CA CYS C 20 139.742 118.312 103.914 1.00 0.00 ATOM 21 CA ASN C 21 138.784 119.269 100.357 1.00 0.00 TER