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Q4JQI5

- COX1_TETNG

UniProt

Q4JQI5 - COX1_TETNG

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Protein
Cytochrome c oxidase subunit 1
Gene
mt-co1, coi, coxi, mtco1
Organism
Tetraodon nigroviridis (Spotted green pufferfish) (Chelonodon nigroviridis)
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. 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
OrganismiTetraodon nigroviridis (Spotted green pufferfish) (Chelonodon nigroviridis)
Taxonomic identifieri99883 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiNeoteleosteiAcanthomorphataPercomorphariaTetraodontiformesTetradontoideaTetraodontidaeTetraodon
ProteomesiUP000007303: Mitochondrion

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei17 – 3721Helical; Reviewed prediction
Add
BLAST
Transmembranei56 – 7621Helical; 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_0000183424Add
BLAST

Amino acid modifications

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

Structurei

3D structure databases

ProteinModelPortaliQ4JQI5.
SMRiQ4JQI5. Positions 3-511.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiCOG0843.
HOVERGENiHBG003841.

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.

Q4JQI5-1 [UniParc]FASTAAdd to Basket

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MAITRWFFST NHKDIGTLYL VFGAWAGMVG TALSLLIRAE LSQPGALLGD    50
DQIYNVIVTA HAFVMIFFMV MPIMIGGFGN WLVPLMIGAP DMAFPRMNNM 100
SFWLLPPSFL LLLASSGVEA GAGTGWTVYP PLAGNLAHAG ASVDLTIFSL 150
HLAGVSSILG AINFITTIIN MKPPAISQYQ TPLFVWAVLI TAVLLLLSLP 200
VLAAGITMLL TDRNLNTTFF DPAGGGDPIL YQHLFWFFGH PEVYILILPG 250
FGMISHIVAY YAGKKEPFGY MGMVWAMMAI GLLGFIVWAH HMFTVGMDVD 300
TRAYFTSATM IIAIPTGVKV FSWLATLHGG SIKWETPMLW ALGFIFLFTV 350
GGLTGIVLAN SSLDVVLHDT YYVVAHFHYV LSMGAVFAIM GAFVHWFPLF 400
SGYTLHSTWT KIHFGVMFVG VNLTFFPQHF LGLAGMPRRY SDYPDAYTLW 450
NTVSSIGSLI SLSAVIMFLF ILWEAFAAKR EVESVELTTT NVEWRCGCPP 500
PYHTFEEPAF VQAQT 515
Length:515
Mass (Da):56,722
Last modified:August 2, 2005 - v1
Checksum:iC93BF73624ED1362
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ019313 Genomic DNA. Translation: AAY26160.1.
RefSeqiYP_254663.1. NC_007176.1.

Genome annotation databases

GeneIDi3453250.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ019313 Genomic DNA. Translation: AAY26160.1 .
RefSeqi YP_254663.1. NC_007176.1.

3D structure databases

ProteinModelPortali Q4JQI5.
SMRi Q4JQI5. Positions 3-511.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 3453250.

Organism-specific databases

CTDi 4512.

Phylogenomic databases

eggNOGi COG0843.
HOVERGENi HBG003841.

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 nucleotide sequence of the mitochondrial genome of Tetraodon nigroviridis."
    Yue G.H., Lo L.C., Zhu Z.Y., Lin G., Feng F.
    DNA Seq. 17:115-121(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Entry informationi

Entry nameiCOX1_TETNG
AccessioniPrimary (citable) accession number: Q4JQI5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 22, 2005
Last sequence update: August 2, 2005
Last modified: September 3, 2014
This is version 57 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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