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P41293

- COX1_BALMU

UniProt

P41293 - COX1_BALMU

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Protein

Cytochrome c oxidase subunit 1

Gene

MT-CO1

Organism
Balaenoptera musculus (Blue whale)
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)Curated
Metal bindingi240 – 2401Copper BCurated
Metal bindingi244 – 2441Copper BCurated
Metal bindingi290 – 2901Copper BCurated
Metal bindingi291 – 2911Copper BCurated
Metal bindingi376 – 3761Iron (heme A3 axial ligand)Curated
Metal bindingi378 – 3781Iron (heme A axial ligand)Curated

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
OrganismiBalaenoptera musculus (Blue whale)
Taxonomic identifieri9771 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaCetaceaMysticetiBalaenopteridaeBalaenoptera

Subcellular locationi

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. mitochondrial inner membrane Source: UniProtKB-KW
  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 – 516516Cytochrome c oxidase subunit 1PRO_0000183291Add
BLAST

Amino acid modifications

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

Structurei

3D structure databases

ProteinModelPortaliP41293.
SMRiP41293. Positions 1-514.
ModBaseiSearch...
MobiDBiSearch...

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei17 – 3721HelicalSequence AnalysisAdd
BLAST
Transmembranei63 – 8321HelicalSequence AnalysisAdd
BLAST
Transmembranei102 – 12221HelicalSequence AnalysisAdd
BLAST
Transmembranei145 – 16521HelicalSequence AnalysisAdd
BLAST
Transmembranei183 – 20321HelicalSequence AnalysisAdd
BLAST
Transmembranei234 – 25421HelicalSequence AnalysisAdd
BLAST
Transmembranei268 – 28821HelicalSequence AnalysisAdd
BLAST
Transmembranei310 – 33021HelicalSequence AnalysisAdd
BLAST
Transmembranei338 – 35821HelicalSequence AnalysisAdd
BLAST
Transmembranei380 – 40021HelicalSequence AnalysisAdd
BLAST
Transmembranei412 – 43221HelicalSequence AnalysisAdd
BLAST
Transmembranei456 – 47621HelicalSequence AnalysisAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

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.

P41293-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MFMNRWLFST NHKDIGTLYL LFGAWAGMVG TGLSLLIRAE LGQPGTLIGD
60 70 80 90 100
DQVYNVLVTA HAFVMIFFMV MPIMIGGFGN WLVPLMIGAP DMAFPRMNNM
110 120 130 140 150
SFWLLPPSFL LLMASSMIEA GAGTGWTVYP PLAGNLAHAG ASVDLTIFSL
160 170 180 190 200
HLAGVSSILG AINFITTIIN MKPPAMTQYQ TPLFVWSVLV TAVLLLLSLP
210 220 230 240 250
VLAAGITMLL TDRNLNTTFF DPAGGGDPIL YQHLFWFFGH PEVYILILPG
260 270 280 290 300
FGMISHIVTY YSGKKEPFGY MGMIWAMVSI GFLGFIVWAH HMFTVGMDVD
310 320 330 340 350
TRAYFTSATM IIAIPTGVKV FSWLATLHGG NIKWSPALMW ALGFIFLFTV
360 370 380 390 400
GGLTGIVLAN SSLDIVLHDT YYVVAHFHYV LSMGAVFAIM GGFVHWFPLF
410 420 430 440 450
SGYTLNTTWA KIHFLIMFVG VNLTFFPQHF LGLSGMPRRY SDYPDAYTTW
460 470 480 490 500
NTISSMGSFI SLTAVMLMIF IIWEAFTSKR EVLAVDLTYT NLEWLNGCPP
510
PYHTFEEPAF VNPKWS
Length:516
Mass (Da):57,282
Last modified:February 1, 1995 - v1
Checksum:i6DEC2EC284D28221
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X72204 Genomic DNA. Translation: CAA50997.1.
PIRiS41822.
RefSeqiNP_007058.1. NC_001601.1.

Genome annotation databases

GeneIDi807733.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X72204 Genomic DNA. Translation: CAA50997.1 .
PIRi S41822.
RefSeqi NP_007058.1. NC_001601.1.

3D structure databases

ProteinModelPortali P41293.
SMRi P41293. Positions 1-514.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 807733.

Organism-specific databases

CTDi 4512.

Phylogenomic databases

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. "Comparison between the complete mtDNA sequences of the blue and the fin whale, two species that can hybridize in nature."
    Arnason U., Gullberg A.
    J. Mol. Evol. 37:312-322(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiCOX1_BALMU
AccessioniPrimary (citable) accession number: P41293
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1995
Last sequence update: February 1, 1995
Last modified: October 29, 2014
This is version 85 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

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

External Data

Dasty 3