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Q37600

- COX3_PYLLI

UniProt

Q37600 - COX3_PYLLI

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Protein

Cytochrome c oxidase subunit 3

Gene
COX3
Organism
Pylaiella littoralis
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Subunits I, II and III form the functional core of the enzyme complex.

Catalytic activityi

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

GO - Molecular functioni

  1. cytochrome-c oxidase activity Source: UniProtKB-EC

GO - Biological processi

  1. aerobic electron transport chain Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome c oxidase subunit 3 (EC:1.9.3.1)
Alternative name(s):
Cytochrome c oxidase polypeptide III
Gene namesi
Name:COX3
Encoded oniMitochondrion
OrganismiPylaiella littoralis
Taxonomic identifieri2885 [NCBI]
Taxonomic lineageiEukaryotaStramenopilesPX cladePhaeophyceaeEctocarpalesAcinetosporaceaePylaiella

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei20 – 4021Helical; Reviewed predictionAdd
BLAST
Transmembranei45 – 6521Helical; Reviewed predictionAdd
BLAST
Transmembranei89 – 10921Helical; Reviewed predictionAdd
BLAST
Transmembranei128 – 14821Helical; Reviewed predictionAdd
BLAST
Transmembranei166 – 18621Helical; Reviewed predictionAdd
BLAST
Transmembranei204 – 22421Helical; Reviewed predictionAdd
BLAST
Transmembranei248 – 26821Helical; Reviewed predictionAdd
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. mitochondrial inner membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Mitochondrion, Mitochondrion inner membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 272272Cytochrome c oxidase subunit 3PRO_0000183840Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliQ37600.
SMRiQ37600. Positions 7-267.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

Gene3Di1.20.120.80. 1 hit.
InterProiIPR024791. Cyt_c/ubiquinol_Oxase_su3.
IPR013833. Cyt_c_oxidase_su3_a-hlx.
IPR000298. Cyt_c_oxidase_su3_dom.
[Graphical view]
PANTHERiPTHR11403. PTHR11403. 1 hit.
PfamiPF00510. COX3. 1 hit.
[Graphical view]
SUPFAMiSSF81452. SSF81452. 1 hit.
PROSITEiPS50253. COX3. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q37600-1 [UniParc]FASTAAdd to Basket

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MKSTAKMIQR HPFHLVDPSP WPLVAALGGL SLTFGGVLFM HNYEGGGELL    50
CLGFFTILYV MFTWWRDVIR EALFEGQHTL AVQQGLRMGM ILFIVSEIMF 100
FFAFFWAFFT SSISPVFNIG GVWPPTDVVA ISPWGLPFLN TILLLSSGAS 150
VTWAHHAIVG GLKKEAMQGL SVTLAFAIAF TAMQGFEYSG APFGMSDGVY 200
GSVFYMATGF HGFHVIIGTI FLFICTIRLY LSHFSCQHHF GFEAAAWYWH 250
FVDVVWLFLF LTIYWWGFNI TV 272
Length:272
Mass (Da):30,628
Last modified:November 1, 1996 - v1
Checksum:iB9EFF7803A08E8DD
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Z37967 Genomic DNA. Translation: CAA86022.1.
PIRiS57460.
RefSeqiNP_150402.1. NC_003055.1.

Genome annotation databases

GeneIDi803717.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Z37967 Genomic DNA. Translation: CAA86022.1 .
PIRi S57460.
RefSeqi NP_150402.1. NC_003055.1.

3D structure databases

ProteinModelPortali Q37600.
SMRi Q37600. Positions 7-267.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 803717.

Family and domain databases

Gene3Di 1.20.120.80. 1 hit.
InterProi IPR024791. Cyt_c/ubiquinol_Oxase_su3.
IPR013833. Cyt_c_oxidase_su3_a-hlx.
IPR000298. Cyt_c_oxidase_su3_dom.
[Graphical view ]
PANTHERi PTHR11403. PTHR11403. 1 hit.
Pfami PF00510. COX3. 1 hit.
[Graphical view ]
SUPFAMi SSF81452. SSF81452. 1 hit.
PROSITEi PS50253. COX3. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Characterisation of the cox3, nad7 and atp6 genes from the mitochondrial genome of the brown alga Pylaiella littoralis."
    Fontaine J.-M., Rousvoal S., Delaroque N., Loiseaux-De Goer S.
    Plant Physiol. Biochem. 33:605-609(1995)
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiCOX3_PYLLI
AccessioniPrimary (citable) accession number: Q37600
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: November 1, 1996
Last modified: September 3, 2014
This is version 70 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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