ID A0A343CWY9_ORYCU Unreviewed; 518 AA. AC A0A343CWY9; DT 07-NOV-2018, integrated into UniProtKB/TrEMBL. DT 07-NOV-2018, sequence version 1. DT 03-MAY-2023, entry version 22. DE RecName: Full=Cytochrome c oxidase subunit 1 {ECO:0000256|ARBA:ARBA00015947, ECO:0000256|RuleBase:RU000369}; DE EC=7.1.1.9 {ECO:0000256|ARBA:ARBA00012949, ECO:0000256|RuleBase:RU000369}; GN Name=COI {ECO:0000313|EMBL:ARO89801.1}; OS Oryzias curvinotus (Hynann ricefish) (Aplocheilus curvinotus). OG Mitochondrion {ECO:0000313|EMBL:ARO89801.1}. OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; OC Ovalentaria; Atherinomorphae; Beloniformes; Adrianichthyidae; Oryziinae; OC Oryzias. OX NCBI_TaxID=104658 {ECO:0000313|EMBL:ARO89801.1}; RN [1] {ECO:0000313|EMBL:ARO89801.1} RP NUCLEOTIDE SEQUENCE. RA Wang Z., Long S., Liao J., Huang C., Zhang H., Liu L., Guo Y.; RT "Complete mitogenome of Hainan medaka Oryzias curvinotus (Teleostei: RT Beloniformes) and transcriptional differences between male and female RT liver."; RL Mitochondrial DNA Part B Resour 2:157-158(2017). CC -!- FUNCTION: Component of the cytochrome c oxidase, the last enzyme in the CC mitochondrial electron transport chain which drives oxidative CC phosphorylation. The respiratory chain contains 3 multisubunit CC complexes succinate dehydrogenase (complex II, CII), ubiquinol- CC cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CC CIII) and cytochrome c oxidase (complex IV, CIV), that cooperate to CC transfer electrons derived from NADH and succinate to molecular oxygen, CC creating an electrochemical gradient over the inner membrane that CC drives transmembrane transport and the ATP synthase. Cytochrome c CC oxidase is the component of the respiratory chain that catalyzes the CC reduction of oxygen to water. Electrons originating from reduced CC cytochrome c in the intermembrane space (IMS) are transferred via the CC dinuclear copper A center (CU(A)) of subunit 2 and heme A of subunit 1 CC to the active site in subunit 1, a binuclear center (BNC) formed by CC heme A3 and copper B (CU(B)). The BNC reduces molecular oxygen to 2 CC water molecules using 4 electrons from cytochrome c in the IMS and 4 CC protons from the mitochondrial matrix. {ECO:0000256|RuleBase:RU000369}. CC -!- CATALYTIC ACTIVITY: CC Reaction=4 Fe(II)-[cytochrome c] + 8 H(+)(in) + O2 = 4 Fe(III)- CC [cytochrome c] + 4 H(+)(out) + 2 H2O; Xref=Rhea:RHEA:11436, CC Rhea:RHEA-COMP:10350, Rhea:RHEA-COMP:14399, ChEBI:CHEBI:15377, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:29033, CC ChEBI:CHEBI:29034; EC=7.1.1.9; CC Evidence={ECO:0000256|RuleBase:RU000369}; CC -!- COFACTOR: CC Name=Cu cation; Xref=ChEBI:CHEBI:23378; CC Evidence={ECO:0000256|ARBA:ARBA00001935}; CC -!- COFACTOR: CC Name=heme; Xref=ChEBI:CHEBI:30413; CC Evidence={ECO:0000256|ARBA:ARBA00001971}; CC -!- PATHWAY: Energy metabolism; oxidative phosphorylation. CC {ECO:0000256|ARBA:ARBA00004673, ECO:0000256|RuleBase:RU000369}. CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi- CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}. Mitochondrion CC inner membrane {ECO:0000256|ARBA:ARBA00004448, CC ECO:0000256|RuleBase:RU000369}; Multi-pass membrane protein CC {ECO:0000256|ARBA:ARBA00004448, ECO:0000256|RuleBase:RU000369}. CC -!- SIMILARITY: Belongs to the heme-copper respiratory oxidase family. CC {ECO:0000256|ARBA:ARBA00009578, ECO:0000256|RuleBase:RU000369}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; KY364884; ARO89801.1; -; Genomic_DNA. DR AlphaFoldDB; A0A343CWY9; -. DR UniPathway; UPA00705; -. DR GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell. DR GO; GO:0045277; C:respiratory chain complex IV; IEA:InterPro. DR GO; GO:0004129; F:cytochrome-c oxidase activity; IEA:UniProtKB-EC. DR GO; GO:0020037; F:heme binding; IEA:InterPro. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0006119; P:oxidative phosphorylation; IEA:UniProtKB-UniPathway. DR CDD; cd01663; Cyt_c_Oxidase_I; 1. DR Gene3D; 1.20.210.10; Cytochrome c oxidase-like, subunit I domain; 1. DR InterPro; IPR023616; Cyt_c_oxase-like_su1_dom. DR InterPro; IPR036927; Cyt_c_oxase-like_su1_sf. DR InterPro; IPR000883; Cyt_C_Oxase_1. DR InterPro; IPR023615; Cyt_c_Oxase_su1_BS. DR InterPro; IPR033944; Cyt_c_oxase_su1_dom. DR PANTHER; PTHR10422; CYTOCHROME C OXIDASE SUBUNIT 1; 1. DR PANTHER; PTHR10422:SF18; CYTOCHROME C OXIDASE SUBUNIT 1; 1. DR Pfam; PF00115; COX1; 1. DR PRINTS; PR01165; CYCOXIDASEI. DR SUPFAM; SSF81442; Cytochrome c oxidase subunit I-like; 1. DR PROSITE; PS50855; COX1; 1. DR PROSITE; PS00077; COX1_CUB; 1. PE 3: Inferred from homology; KW Calcium {ECO:0000256|ARBA:ARBA00022837}; KW Copper {ECO:0000256|ARBA:ARBA00023008, ECO:0000256|RuleBase:RU000369}; KW Electron transport {ECO:0000256|ARBA:ARBA00022982, KW ECO:0000256|RuleBase:RU000369}; Heme {ECO:0000256|RuleBase:RU000369}; KW Iron {ECO:0000256|RuleBase:RU000369}; KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU000369}; KW Metal-binding {ECO:0000256|RuleBase:RU000369}; KW Mitochondrion {ECO:0000256|RuleBase:RU000369, ECO:0000313|EMBL:ARO89801.1}; KW Mitochondrion inner membrane {ECO:0000256|ARBA:ARBA00022792, KW ECO:0000256|RuleBase:RU000369}; KW Respiratory chain {ECO:0000256|ARBA:ARBA00022660, KW ECO:0000256|RuleBase:RU000369}; Sodium {ECO:0000256|ARBA:ARBA00023053}; KW Translocase {ECO:0000256|ARBA:ARBA00022967}; KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, KW ECO:0000256|RuleBase:RU000369}; KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, KW ECO:0000256|SAM:Phobius}; KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU000369}. FT TRANSMEM 15..37 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 57..83 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 104..128 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 148..171 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 183..210 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 243..261 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 268..291 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 303..326 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 338..359 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 379..400 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 412..430 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT TRANSMEM 450..473 FT /note="Helical" FT /evidence="ECO:0000256|SAM:Phobius" FT DOMAIN 1..511 FT /note="Cytochrome oxidase subunit I profile" FT /evidence="ECO:0000259|PROSITE:PS50855" SQ SEQUENCE 518 AA; 57284 MW; 75819676AA76567A CRC64; MAITRWFFST NHKDIGTLYL IFGAWAGMVG TALSLLIRAE LSQPGSLLGD DQIYNVIVTA HAFVMIFFMV MPIMIGGFGN WLIPLMIGAP DMAFPRMNNM SFWLLPPSFL LLLASSGVEA GAGTGWTVYP PLSGNLAHAG ASVDLTIFSL HLAGISSILG AINFITTIIN MKPPAISQYQ TPLFVWAVLI TAVLLLLSLP VLAAGITMLL TDRNLNTTFF DPAGGGDPIL YQHLFWFFGH PEVYILILPG FGMISHIVAY YSGKKEPFGY MGMVWAMMAI GLLGFIVWAH HMFTVGMDVD TRAYFTSATM IIAIPTGVKV FSWLATLHGG SIKWETPLLW ALGFIFLFTV GGLTGIVLAN SSLDIMLHDT YYVVAHFHYV LSMGAVFAIM GAFVHWFPLF SGYTLHNTWT KIHFGVMFVG VNLTFFPQHF LGLAGMPRRY SDYPDAYTLW NTISSLGSLI SLIAVIMFLF IIWEAFAAKR EVLSVELTAT NVEWLHGCPP PYHTFEEPAF VQIQQSKF //