Reviewed, UniProtKB/Swiss-Prot P80974 (COX5B_THUOB)

Names and origin

Protein names	Recommended name:     Cytochrome c oxidase subunit 5B, mitochondrial Alternative name(s):     Cytochrome c oxidase polypeptide Vb
Organism	Thunnus obesus (Bigeye tuna)
Taxonomic identifier	8241 [NCBI]
Taxonomic lineage	Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Actinopterygii › Neopterygii › Teleostei › Euteleostei › Neoteleostei › Acanthomorpha › Acanthopterygii › Percomorpha › Perciformes › Scombroidei › Scombridae › Thunnus

Protein attributes

Sequence length	20 AA.
Sequence status	Fragment.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	This protein is one of the nuclear-coded polypeptide chains of cytochrome c oxidase, the terminal oxidase in mitochondrial electron transport.
Subcellular location	Mitochondrion inner membrane.
Sequence similarities	Belongs to the cytochrome c oxidase subunit 5B family.

Ontologies

Keywords
Cellular component	Membrane Mitochondrion Mitochondrion inner membrane
Technical term	Direct protein sequencing
Gene Ontology (GO)
Cellular component	mitochondrial inner membrane Inferred from electronic annotation. Source: UniProtKB-SubCell
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – ›20	›20	Cytochrome c oxidase subunit 5B, mitochondrial		PRO_0000197032
Experimental info
	Non-terminal residue	20	1

Sequences

	Sequence		Length	Mass (Da)
	P80974-1 [UniParc]. Last modified November 1, 1997. Version 1. Checksum: 76F1473E1F392BD7	FASTA	20	2,158
	10 20 GTLKGIPTDD EQATGLERRT

References

[1]	"The subunit structure of cytochrome-c oxidase from tuna heart and liver." Arnold S., Lee I., Kim M., Song E., Linder D., Lottspeich F., Kadenbach B. Eur. J. Biochem. 248:99-103(1997) [PubMed: 9310366] [Abstract] Cited for: PROTEIN SEQUENCE. Tissue: Heart and Liver.

Cross-references

Sequence databases
PIR	S77983.
3D structure databases
ModBase	Search...
Phylogenomic databases
HOVERGEN	P80974.
Enzyme and pathway databases
BRENDA	1.9.3.1. 296622.
Family and domain databases
InterPro	IPR002124. Cyt_c_oxidase_su5b. [Graphical view]
PROSITE	PS00848. COX5B_1. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

COX5B_THUOB

Accession

Primary (citable) accession number: P80974

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1997
Last sequence update:	November 1, 1997
Last modified:	June 16, 2009
This is version 39 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)