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Q03439

- COX3_BACP3

UniProt

Q03439 - COX3_BACP3

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Protein

Cytochrome c oxidase subunit 3

Gene
ctaE, caaC
Organism
Bacillus sp. (strain PS3)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at protein leveli

Functioni

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 aa3 subunit 3
Cytochrome c oxidase polypeptide III
Oxidase aa(3) subunit 3
Gene namesi
Name:ctaE
Synonyms:caaC
OrganismiBacillus sp. (strain PS3)
Taxonomic identifieri2334 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesBacillaceaeBacillus

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei28 – 4821Helical; Reviewed predictionAdd
BLAST
Transmembranei70 – 9021Helical; Reviewed predictionAdd
BLAST
Transmembranei102 – 12221Helical; Reviewed predictionAdd
BLAST
Transmembranei144 – 16421Helical; Reviewed predictionAdd
BLAST
Transmembranei186 – 20621Helical; Reviewed predictionAdd
BLAST

GO - Cellular componenti

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

Keywords - Cellular componenti

Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 207207Cytochrome c oxidase subunit 3PRO_0000183876Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliQ03439.

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.

Q03439-1 [UniParc]FASTAAdd to Basket

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MHAEEKLTAE TFPAAPERNA TLEGKNKFLG FWLFLGGETV LFASLFATYL    50
ALKDKTNGGP SAEELFQMPV VFMATMLLLT SSLTSVYAIY HMKNFDFKKM 100
QLWFGITVLL GAGFLGLEIY EFNEYVHEGH KFTTSAFASA FYTLVGTHGS 150
HVAFGLLWIL TLMIRNAKRG LNLYNAPKFY VASLYWHFID VVWVFIFTVV 200
YLMGMVG 207
Length:207
Mass (Da):23,409
Last modified:February 1, 1994 - v1
Checksum:iF398096AF02B5621
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
D13955 Genomic DNA. Translation: BAA03047.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
D13955 Genomic DNA. Translation: BAA03047.1 .

3D structure databases

ProteinModelPortali Q03439.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

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. "Nucleotide sequence of the gene coding for four subunits of cytochrome c oxidase from the thermophilic bacterium PS3."
    Ishizuka M., Machida K., Shimada S., Mogi A., Tsuchiya T., Ohmori T., Souma Y., Gonda M., Sone N.
    J. Biochem. 108:866-873(1990) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 1-16.

Entry informationi

Entry nameiCOX3_BACP3
AccessioniPrimary (citable) accession number: Q03439
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1994
Last sequence update: February 1, 1994
Last modified: September 3, 2014
This is version 80 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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