ID   A0A097I393_9BILA        Unreviewed;       219 AA.
AC   A0A097I393;
DT   07-JAN-2015, integrated into UniProtKB/TrEMBL.
DT   07-JAN-2015, sequence version 1.
DT   07-APR-2021, entry version 22.
DE   RecName: Full=Cytochrome c oxidase subunit 1 {ECO:0000256|RuleBase:RU000369};
DE            EC=7.1.1.9 {ECO:0000256|RuleBase:RU000369};
DE   Flags: Fragment;
GN   Name=CO1 {ECO:0000313|EMBL:AIT55310.1};
OS   Gordius cf. robustus N279.
OG   Mitochondrion {ECO:0000313|EMBL:AIT55310.1}.
OC   Eukaryota; Metazoa; Ecdysozoa; Nematomorpha; Gordioida; Gordea; Gordioidea;
OC   Gordiidae; Gordius.
OX   NCBI_TaxID=1561121 {ECO:0000313|EMBL:AIT55310.1};
RN   [1] {ECO:0000313|EMBL:AIT55310.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=N279 {ECO:0000313|EMBL:AIT55310.1};
RX   PubMed=25280636;
RA   Hanelt B., Schmidt-Rhaesa A., Bolek M.G.;
RT   "Cryptic species of hairworm parasites revealed by molecular data and
RT   crowdsourcing of specimen collections.";
RL   Mol. Phylogenet. Evol. 82:211-218(2015).
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] + 4 H(+) + O2 = 4 [Fe(III)cytochrome c]
CC         + 2 H2O; Xref=Rhea:RHEA:11436, Rhea:RHEA-COMP:10350, Rhea:RHEA-
CC         COMP:14399, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC         ChEBI:CHEBI:29033, ChEBI:CHEBI:29034; EC=7.1.1.9;
CC         Evidence={ECO:0000256|RuleBase:RU000369};
CC   -!- PATHWAY: Energy metabolism; oxidative phosphorylation.
CC       {ECO:0000256|ARBA:ARBA00004673, ECO:0000256|RuleBase:RU000369}.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane
CC       {ECO:0000256|ARBA:ARBA00004448, ECO:0000256|RuleBase:RU000369}; Multi-
CC       pass membrane protein {ECO:0000256|ARBA:ARBA00004448,
CC       ECO:0000256|RuleBase:RU000369}.
CC   -!- SIMILARITY: Belongs to the heme-copper respiratory oxidase family.
CC       {ECO:0000256|ARBA:ARBA00009578, ECO:0000256|RuleBase:RU000369}.
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DR   EMBL; KM382278; AIT55310.1; -; Genomic_DNA.
DR   UniPathway; UPA00705; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
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:0009060; P:aerobic respiration; IEA:InterPro.
DR   GO; GO:0006119; P:oxidative phosphorylation; IEA:UniProtKB-UniPathway.
DR   Gene3D; 1.20.210.10; -; 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   PANTHER; PTHR10422; PTHR10422; 1.
DR   Pfam; PF00115; COX1; 1.
DR   PRINTS; PR01165; CYCOXIDASEI.
DR   SUPFAM; SSF81442; SSF81442; 1.
DR   PROSITE; PS50855; COX1; 1.
PE   3: Inferred from homology;
KW   Copper {ECO:0000256|ARBA:ARBA00023008, ECO:0000256|RuleBase:RU000369};
KW   Electron transport {ECO:0000256|RuleBase:RU000369};
KW   Heme {ECO:0000256|RuleBase:RU000369}; Iron {ECO:0000256|RuleBase:RU000369};
KW   Membrane {ECO:0000256|RuleBase:RU000369, ECO:0000256|SAM:Phobius};
KW   Metal-binding {ECO:0000256|RuleBase:RU000369};
KW   Mitochondrion {ECO:0000256|RuleBase:RU000369, ECO:0000313|EMBL:AIT55310.1};
KW   Mitochondrion inner membrane {ECO:0000256|RuleBase:RU000369};
KW   Respiratory chain {ECO:0000256|RuleBase:RU000369};
KW   Transmembrane {ECO:0000256|RuleBase:RU000369, ECO:0000256|SAM:Phobius};
KW   Transmembrane helix {ECO:0000256|SAM:Phobius};
KW   Transport {ECO:0000256|RuleBase:RU000369}.
FT   TRANSMEM        42..67
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
FT   TRANSMEM        132..155
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
FT   TRANSMEM        167..195
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
FT   DOMAIN          1..219
FT                   /note="COX1"
FT                   /evidence="ECO:0000259|PROSITE:PS50855"
FT   NON_TER         1
FT                   /evidence="ECO:0000313|EMBL:AIT55310.1"
FT   NON_TER         219
FT                   /evidence="ECO:0000313|EMBL:AIT55310.1"
SQ   SEQUENCE   219 AA;  23739 MW;  028271C2EA959F36 CRC64;
     ILYFLFGFWA AFLGTALSMI IRVELSHSNS LLKSGSTYNM VITAHALVMI FFAIMPVLVG
     GFGNWLIPSM LSSPDMAFPR MNNLSFWLLP PSLILLLTSS LTESGCATGW TIYPPLSSLI
     GHPSPSTDLA ILSLHIAGVS SLLGSMNFIT TIITLRPAGF PMEKLSLFLW SSLITAFLLL
     LSLPVLAGAL TMLILDRNIN TSFFDPVGGG DPVLFQHLF
//