<div class='caption-body'><ul class ='image_legend_ul'>The deposited structure of PDB entry 1v55 coloured by chain and viewed from the front. The entry contains: <li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 1</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 2</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 3</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 4 isoform 1, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 5A, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 5B, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 6A2, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 6B1</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 6C</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 7A1, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 7B, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 7C, mitochondrial</li><li class ='image_legend_li'>2 copies of Cytochrome c oxidase subunit 8B, mitochondrial</li><li class ='image_legend_li'>14 non-polymeric entities<ul class ='image_legend_ul'><li class ='image_legend_li'>2 copies of COPPER (II) ION</li><li class ='image_legend_li'>2 copies of MAGNESIUM ION</li><li class ='image_legend_li'>2 copies of SODIUM ION</li><li class ='image_legend_li'>4 copies of HEME-A</li><li class ='image_legend_li'>6 copies of TRISTEAROYLGLYCEROL</li><li class ='image_legend_li'>8 copies of (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE</li><li class ='image_legend_li'>2 copies of DINUCLEAR COPPER ION</li><li class ='image_legend_li'>8 copies of CHOLIC ACID</li><li class ='image_legend_li'>4 copies of CARDIOLIPIN</li><li class ='image_legend_li'>6 copies of (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(STEAROYLOXY)METHYL]ETHYL (5E,8E,11E,14E)-ICOSA-5,8,11,14-TETRAENOATE</li><li class ='image_legend_li'>2 copies of UNKNOWN ATOM OR ION</li><li class ='image_legend_li'>2 copies of (7R,17E,20E)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSA-17,20-DIEN-1-AMINIUM 4-OXIDE</li><li class ='image_legend_li'>2 copies of ZINC ION</li><li class ='image_legend_li'>2 copies of DECYL-BETA-D-MALTOPYRANOSIDE</li></ul></li></div>