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Q9TA27

- COX1_LOXAF

UniProt

Q9TA27 - COX1_LOXAF

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Protein
Cytochrome c oxidase subunit 1
Gene
MT-CO1, COI, COXI, MTCO1
Organism
Loxodonta africana (African elephant)
Status
Reviewed - Annotation score: 4 out of 5 - Protein inferred from homologyi

Functioni

Cytochrome c oxidase is the component of the respiratory chain that catalyzes the reduction of oxygen to water. Subunits 1-3 form the functional core of the enzyme complex. CO I is the catalytic subunit of the enzyme. Electrons originating in cytochrome c are transferred via the copper A center of subunit 2 and heme A of subunit 1 to the bimetallic center formed by heme A3 and copper B.

Catalytic activityi

4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi61 – 611Iron (heme A axial ligand) Inferred
Metal bindingi240 – 2401Copper B Inferred
Metal bindingi244 – 2441Copper B Inferred
Metal bindingi290 – 2901Copper B Inferred
Metal bindingi291 – 2911Copper B Inferred
Metal bindingi376 – 3761Iron (heme A3 axial ligand) Inferred
Metal bindingi378 – 3781Iron (heme A axial ligand) Inferred

GO - Molecular functioni

  1. cytochrome-c oxidase activity Source: UniProtKB-EC
  2. heme binding Source: InterPro
  3. iron ion binding Source: InterPro

GO - Biological processi

  1. aerobic respiration Source: InterPro
  2. hydrogen ion transmembrane transport Source: GOC
  3. oxidative phosphorylation Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Respiratory chain, Transport

Keywords - Ligandi

Copper, Heme, Iron, Metal-binding

Enzyme and pathway databases

UniPathwayiUPA00705.

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome c oxidase subunit 1 (EC:1.9.3.1)
Alternative name(s):
Cytochrome c oxidase polypeptide I
Gene namesi
Name:MT-CO1
Synonyms:COI, COXI, MTCO1
Encoded oniMitochondrion
OrganismiLoxodonta africana (African elephant)
Taxonomic identifieri9785 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaAfrotheriaProboscideaElephantidaeLoxodonta
ProteomesiUP000007646: Unplaced

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei17 – 3721Helical; Reviewed prediction
Add
BLAST
Transmembranei63 – 8321Helical; Reviewed prediction
Add
BLAST
Transmembranei102 – 12221Helical; Reviewed prediction
Add
BLAST
Transmembranei145 – 16521Helical; Reviewed prediction
Add
BLAST
Transmembranei183 – 20321Helical; Reviewed prediction
Add
BLAST
Transmembranei234 – 25421Helical; Reviewed prediction
Add
BLAST
Transmembranei268 – 28821Helical; Reviewed prediction
Add
BLAST
Transmembranei310 – 33021Helical; Reviewed prediction
Add
BLAST
Transmembranei338 – 35821Helical; Reviewed prediction
Add
BLAST
Transmembranei380 – 40021Helical; Reviewed prediction
Add
BLAST
Transmembranei414 – 43421Helical; Reviewed prediction
Add
BLAST
Transmembranei456 – 47621Helical; Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. mitochondrial inner membrane Source: UniProtKB-SubCell
  3. respiratory chain complex IV Source: UniProtKB
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Mitochondrion, Mitochondrion inner membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 515515Cytochrome c oxidase subunit 1
PRO_0000232859Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Cross-linki240 ↔ 2441'-histidyl-3'-tyrosine (His-Tyr) By similarity

Structurei

3D structure databases

ProteinModelPortaliQ9TA27.
SMRiQ9TA27. Positions 1-511.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

GeneTreeiENSGT00390000001518.
HOVERGENiHBG003841.
OMAiHFGVMFT.
OrthoDBiEOG7Q8CMW.
TreeFamiTF353096.

Family and domain databases

Gene3Di1.20.210.10. 1 hit.
InterProiIPR000883. COX1.
IPR023615. Cyt_c_Oxase_su1_BS.
IPR023616. Cyt_c_Oxase_su1_dom.
[Graphical view]
PANTHERiPTHR10422. PTHR10422. 1 hit.
PfamiPF00115. COX1. 1 hit.
[Graphical view]
PRINTSiPR01165. CYCOXIDASEI.
SUPFAMiSSF81442. SSF81442. 1 hit.
PROSITEiPS50855. COX1. 1 hit.
PS00077. COX1_CUB. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q9TA27-1 [UniParc]FASTAAdd to Basket

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MFANRWLYST NHKDIGTLYL LFGAWAGMVG TAFSILIRAE LGQPGSLLGD    50
DQIYNVIVTA HAFVMIFFMV MPIMIGGFGN WLIPLMIGAP DMAFPRMNNM 100
SFWLLPPSFL LLLASSMVEA GAGTGWTVYP PLAGNLAHAG ASVDLTIFSL 150
HLAGVSSILS AINFITTIIN MKPPAMSQYH MPLFVWSILI TAVLLLLSLP 200
VLAAGITMLL TDRNLNTTFF DPAGGGDPIL YQHLFWFFGH PEVYILILPG 250
FGMVSHIVTY YSGKKEPFGY MGMVWAMMSI GFLGFIVWAH HMFTVGMDVD 300
TRAYFTSATM IIAIPTGVKV FSWLATLHGG NIKWSPAMMW ALGFIFLFTI 350
GGLTGIVLAN SSLDIVLHDT YYVVAHFHYV LSMGAVFAIM GGFIHWFPLF 400
SGYTLNYTWA KIQFLVMFIG VNLTFFPQHF LGLSGMPRRY SDYPDAYTAW 450
NTASSMGSFI SLVAVILMVF MIWEAFASKR EVSVMELTTT NVEWLNGCPP 500
PHHTFEEPAY VKSNS 515
Length:515
Mass (Da):57,101
Last modified:May 1, 2000 - v1
Checksum:i938E71C66B3BC43C
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AJ224821 Genomic DNA. Translation: CAA12140.1.
DQ316069 Genomic DNA. Translation: ABC17906.1.
PIRiT45552.
RefSeqiNP_009281.1. NC_000934.1.

Genome annotation databases

EnsembliENSLAFT00000038050; ENSLAFP00000029493; ENSLAFG00000033284.
GeneIDi808791.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AJ224821 Genomic DNA. Translation: CAA12140.1 .
DQ316069 Genomic DNA. Translation: ABC17906.1 .
PIRi T45552.
RefSeqi NP_009281.1. NC_000934.1.

3D structure databases

ProteinModelPortali Q9TA27.
SMRi Q9TA27. Positions 1-511.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSLAFT00000038050 ; ENSLAFP00000029493 ; ENSLAFG00000033284 .
GeneIDi 808791.

Organism-specific databases

CTDi 4512.

Phylogenomic databases

GeneTreei ENSGT00390000001518.
HOVERGENi HBG003841.
OMAi HFGVMFT.
OrthoDBi EOG7Q8CMW.
TreeFami TF353096.

Enzyme and pathway databases

UniPathwayi UPA00705 .

Family and domain databases

Gene3Di 1.20.210.10. 1 hit.
InterProi IPR000883. COX1.
IPR023615. Cyt_c_Oxase_su1_BS.
IPR023616. Cyt_c_Oxase_su1_dom.
[Graphical view ]
PANTHERi PTHR10422. PTHR10422. 1 hit.
Pfami PF00115. COX1. 1 hit.
[Graphical view ]
PRINTSi PR01165. CYCOXIDASEI.
SUPFAMi SSF81442. SSF81442. 1 hit.
PROSITEi PS50855. COX1. 1 hit.
PS00077. COX1_CUB. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "The complete mitochondrial genome sequence of the African elephant (Loxodonta africana), phylogenetic relationships of Proboscidea to other mammals and D-loop heteroplasmy."
    Hauf J., Waddell P.J., Chalwatzis N., Joger U., Zimmermann F.K.
    Zoology 102:184-195(2000)
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Tissue: Blood.
  2. "Complete mitochondrial genome and phylogeny of Pleistocene mammoth Mammuthus primigenius."
    Rogaev E.I., Moliaka Y.K., Malyarchuk B.A., Kondrashov F.A., Derenko M.V., Chumakov I., Grigorenko A.P.
    PLoS Biol. 4:403-410(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Tissue: Blood.

Entry informationi

Entry nameiCOX1_LOXAF
AccessioniPrimary (citable) accession number: Q9TA27
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 18, 2006
Last sequence update: May 1, 2000
Last modified: September 3, 2014
This is version 71 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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