ID A0A1Y1CGZ6_9BACT Unreviewed; 709 AA.
AC A0A1Y1CGZ6;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
DE SubName: Full=Bifunctional cbb3-type cytochrome c oxidase subunit I/II {ECO:0000313|EMBL:BAX79605.1};
GN ORFNames=ALGA_1219 {ECO:0000313|EMBL:BAX79605.1};
OS Labilibaculum antarcticum.
OC Bacteria; Bacteroidota; Bacteroidia; Marinilabiliales; Marinifilaceae;
OC Labilibaculum.
OX NCBI_TaxID=1717717 {ECO:0000313|EMBL:BAX79605.1, ECO:0000313|Proteomes:UP000218267};
RN [1] {ECO:0000313|Proteomes:UP000218267}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SPP2 {ECO:0000313|Proteomes:UP000218267};
RA Watanabe M., Kojima H., Fukui M.;
RT "Complete genome sequence of Marinifilaceae bacterium strain SPP2, isolated
RT from the Antarctic marine sediment.";
RL Mar. Genomics 0:0-0(2017).
RN [2] {ECO:0000313|EMBL:BAX79605.1, ECO:0000313|Proteomes:UP000218267}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SPP2 {ECO:0000313|EMBL:BAX79605.1,
RC ECO:0000313|Proteomes:UP000218267};
RA Watanabe M., Kojima H., Fukui M.;
RT "Complete genome sequence of Marinifilaceae bacterium strain SPP2, isolated
RT from the Antarctic marine sediment.";
RL Mar. Genomics 39:1-2(2018).
RN [3] {ECO:0000313|Proteomes:UP000218267}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SPP2 {ECO:0000313|Proteomes:UP000218267};
RA Watanabe M., Kojima H., Fukui M.;
RT "Labilibaculum antarcticum sp. nov., a novel facultative anaerobic,
RT psychrotorelant bacterium isolated from marine sediment of Antarctica.";
RL Antonie Van Leeuwenhoek 113:349-355(2020).
CC -!- COFACTOR:
CC Name=Cu(2+); Xref=ChEBI:CHEBI:29036;
CC Evidence={ECO:0000256|PIRSR:PIRSR604677-50};
CC Note=Binds 1 copper ion per subunit, denoted as copper B.
CC {ECO:0000256|PIRSR:PIRSR604677-50};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000256|PIRSR:PIRSR604677-50};
CC Note=Binds 2 heme groups per subunit, denoted as high- and low-spin.
CC {ECO:0000256|PIRSR:PIRSR604677-50};
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the heme-copper respiratory oxidase family.
CC {ECO:0000256|ARBA:ARBA00009578, ECO:0000256|RuleBase:RU000370}.
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DR EMBL; AP018042; BAX79605.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Y1CGZ6; -.
DR KEGG; mbas:ALGA_1219; -.
DR OrthoDB; 9806838at2; -.
DR Proteomes; UP000218267; Chromosome.
DR GO; GO:0045278; C:plasma membrane 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:0009060; P:aerobic respiration; IEA:InterPro.
DR CDD; cd01661; cbb3_Oxidase_I; 1.
DR Gene3D; 1.20.210.10; Cytochrome c oxidase-like, subunit I domain; 1.
DR Gene3D; 1.10.760.10; Cytochrome c-like domain; 1.
DR InterPro; IPR009056; Cyt_c-like_dom.
DR InterPro; IPR036909; Cyt_c-like_dom_sf.
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; IPR004677; Cyt_c_oxidase_cbb3_su1.
DR InterPro; IPR003468; Cyt_c_oxidase_monohaem-su/FixO.
DR NCBIfam; TIGR00780; ccoN; 1.
DR NCBIfam; TIGR00781; ccoO; 1.
DR PANTHER; PTHR10422; CYTOCHROME C OXIDASE SUBUNIT 1; 1.
DR PANTHER; PTHR10422:SF29; CYTOCHROME C OXIDASE SUBUNIT 1 HOMOLOG, BACTEROID; 1.
DR Pfam; PF00115; COX1; 1.
DR Pfam; PF02433; FixO; 1.
DR SUPFAM; SSF46626; Cytochrome c; 1.
DR SUPFAM; SSF81442; Cytochrome c oxidase subunit I-like; 1.
DR PROSITE; PS50855; COX1; 1.
DR PROSITE; PS00077; COX1_CUB; 1.
DR PROSITE; PS51007; CYTC; 1.
PE 3: Inferred from homology;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Electron transport {ECO:0000256|RuleBase:RU000370};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRSR:PIRSR604677-50};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR604677-50};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR604677-50};
KW Respiratory chain {ECO:0000256|RuleBase:RU000370};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU000370};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Transport {ECO:0000256|RuleBase:RU000370}.
FT TRANSMEM 12..38
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 58..78
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 98..117
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 129..149
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 156..183
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 203..225
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 234..252
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 272..292
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 304..321
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 341..365
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 377..399
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 433..455
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 497..518
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 16..457
FT /note="Cytochrome oxidase subunit I profile"
FT /evidence="ECO:0000259|PROSITE:PS50855"
FT DOMAIN 534..702
FT /note="Cytochrome c"
FT /evidence="ECO:0000259|PROSITE:PS51007"
FT BINDING 59
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="1; low-spin"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR604677-50"
FT BINDING 206
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="B"
FT /evidence="ECO:0000256|PIRSR:PIRSR604677-50"
FT BINDING 256
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="B"
FT /evidence="ECO:0000256|PIRSR:PIRSR604677-50"
FT BINDING 257
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="B"
FT /evidence="ECO:0000256|PIRSR:PIRSR604677-50"
FT BINDING 344
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="2; high-spin"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR604677-50"
FT BINDING 346
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="1; low-spin"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR604677-50"
SQ SEQUENCE 709 AA; 80695 MW; 30CC390BFADF1941 CRC64;
METQHFSYDN KIVKFFAYAT IIWGVVGMSV GLLAALQLAF PIFNFNFAYT SFGRIRPVHT
NAVIFAFVGN GIFTAVYYSL QRLLKARMFN DRLSWIHFWG WQAIIVSAAV TFVLGITTSK
EYAELEWPID IALTIIWVVF GWNMFGTILR RRADHLYVAI WFYIATFVTV AVLHIGNSIA
LPYSWIQSYP VYAGVQDALV QWWYGHNAVA FFLTTPYLGL MYYFLPKAAN RPIYSYRLSI
IHFWALIFLY IWAGPHHLLY TALPDWAQSL GVVFSIMLLA PSWGGMFNGL LTLRGAWDKV
RDSATLKFMV VAVTCYGMST FEGPMMALKW VNSLTHYTDW TIAHVHIGAM GWNGFLTFGM
LYYLFPKMWN TKLYSEKLAN AHFWIGTLGM IFYALPLYWG AIVQTLMWKE FTPDGLLAYP
NFLETLTQIL PMYHARVFGG LLYFSGLFLM VYNLLKTAAS GKCVDNEEAS APAIVTDTKR
GQSEGLHRWL ERKPIQFMIL ATVAILIGGA FEIIPTYLIK SNIPTIESVK PYTPLELQGR
DIYIREGCNT CHSQMVRPFR SETERYGEYS KAGESVYNHP HLWGSKRTGP DLAREGVPGG
KMYKTNVWHY NHMLDPQKMN AQSIMPKYPW LIKDKLDISS TPAKIRAMTT LGVPYAPGYD
QLANDDLQKQ AEEIAADLKN SGVEVASDKE ILAIIAYLQR LGRDISVGN
//
