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"i_atom": 1276, "text": "The surrounding residues around the oxygen is crucial for oxygen molecule binding.", "creator": "other", "order": 5 }, { "distances": [], "labels": [], "user_id": "106949578407835494908", "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": true, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": true, "view_id": "view:n7cal0", "selected": [], "camera": { "up": [ 17.80261419747432, 27.320988325630708, 1.335631217908581 ], "slab": { "z_front": -2, "z_back": 5.58086661002549, "zoom": 14.86804454178136 }, "pos": [ 17.050000000004935, 27.259999999998165, 0.6799999999940791 ], "in": [ 17.452627052044996, 26.429506158467138, 0.29506956972833753 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": 1275, "text": "Click edit to change this text.", "creator": "other", "order": 26 }, { "distances": [], "labels": [], "user_id": null, "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": true, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": false, "view_id": "view:vttal8", "selected": [ 154, 155, 161, 341, 41, 42, 63, 67, 92, 96, 97, 98 ], "camera": { "up": [ 14.456318246100555, 27.941632681255303, -2.4351391641030395 ], "slab": { "z_front": -7.753908948194662, "z_back": 5.58086661002549, "zoom": 28.26527341126938 }, "pos": [ 13.883078588722267, 28.58627755213599, -1.929343468534111 ], "in": [ 14.572557525959324, 28.632231591716767, -1.2064969970391841 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": -1, "text": "Click edit to change this text.", "creator": "public", "order": 15 }, { "distances": [], "labels": [ { "i_atom": 1274, "text": "Iron atom" } ], "user_id": "117908387177518174476", "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": true, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": true, "view_id": "view:77smzs", "selected": [], "camera": { "up": [ 15.31524611040343, 27.4737644253482, -0.3181780951480112 ], "slab": { "z_front": -2.3794392523364434, "z_back": 13.627697536108753, "zoom": 36.264826756986935 }, "pos": [ 15.359999999976905, 27.95000000001393, 0.5599999999960467 ], "in": [ 14.365440765250709, 27.888464655689724, 0.6440555174814825 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": 1274, "text": "Specifically, the heme group traps an iron atom in its centre.\n", "creator": "other", "order": 7 }, { "distances": [], "labels": [ { "i_atom": 1233, "text": "heme" } ], "user_id": "117908387177518174476", "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": true, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": true, "view_id": "view:ekemch", "selected": [], "camera": { "up": [ 15.406719302241672, 27.861180022537074, -0.43495141509887425 ], "slab": { "z_front": -2.3794392523364434, "z_back": 13.627697536108753, "zoom": 73.21182399733425 }, "pos": [ 15.360000000002508, 27.949999999999722, 0.5599999999972702 ], "in": [ 14.41946231879145, 28.281583486049204, 0.4862350896306307 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": 1274, "text": "The heme group is the molecule responsible for binding oxygen to the molecule.", "creator": "other", "order": 9 }, { "distances": [], "labels": [ { "i_atom": 525, "text": "blocking histidine" } ], "user_id": "117908387177518174476", "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": true, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": true, "view_id": "view:4vbozk", "selected": [ 154, 155, 341, 42, 63, 67, 92 ], "camera": { "up": [ 20.383243209498293, 28.031169367579384, -0.06794444260717364 ], "slab": { "z_front": -7.753908948194662, "z_back": 5.58086661002549, "zoom": 18.564351701805727 }, "pos": [ 21.16000000000296, 27.419999999998726, -0.22000000000626052 ], "in": [ 20.709588659445995, 26.712172377861318, 0.3241596104362823 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": 525, "text": "A crucial histidine makes contact with the oxygen molecule.", "creator": "other", "order": 16 }, { "distances": [], "labels": [ { "i_atom": 527, "text": "blocks potential carbon monoxide binding" } ], "user_id": "117908387177518174476", "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": true, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": true, "view_id": "view:1mg5ap", "selected": [ 154, 155, 341, 42, 63, 67, 92 ], "camera": { "up": [ 20.124179198711857, 28.83979151500971, 0.050216399016241677 ], "slab": { "z_front": -2, "z_back": 4.55642072213501, "zoom": 18.564351701805748 }, "pos": [ 19.8500000000011, 27.880000000000567, -0.010000000002429177 ], "in": [ 19.787737884292653, 27.835231838168752, 0.987055284640157 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": 527, "text": "The histidine sits right on top of the oxygen atom. The reason is that carbon monoxide (C=O) also likes to bind to the iron atom. But this is prevented by the blocking histidine which sits exactly where the C of the carbon monoxide would like to sit. Therefore myoglobin binds oxygen molecules over carbon monoxide molecules.", "creator": "other", "order": 18 }, { "distances": [], "labels": [ { "i_atom": 831, "text": "bottom of cavity" } ], "user_id": "117908387177518174476", "version": 2, "show": { "peptide": true, "trace": false, "sidechain": false, "all_atom": false, "water": false, "sphere": false, "ligands": false, "hydrogen": false, "transparent": false, "ribbon": true }, "lock": true, "view_id": "view:coun7l", "selected": [], "camera": { "up": [ 19.228697779635795, 26.212721086500764, 4.194530378819982 ], "slab": { "z_front": -23.523016759776546, "z_back": 27.396983240223452, "zoom": 69.28452731387468 }, "pos": [ 19.179999999998742, 26.050000000001305, 5.179999999999071 ], "in": [ 18.61162633704652, 25.24319664220601, 5.018693704050929 ] }, "pdb_id": "1mbo", "selected_traces": [], "grid": { "bCutoff": null, "isElem": {} }, "i_atom": 547, "text": "The structure of the myoglobin provides a cavity in the middle of the protein.", "creator": "other", "order": 3 } ]