Reviewed, UniProtKB/Swiss-Prot P55932 (ETFD_PARDE)

Names and origin

Protein names	Recommended name:     Electron transfer flavoprotein-ubiquinone oxidoreductase       Short name=ETF-ubiquinone oxidoreductase       Short name=ETF-QO     EC=1.5.5.1 Alternative name(s):     Electron-transferring-flavoprotein dehydrogenase       Short name=ETF dehydrogenase
Organism	Paracoccus denitrificans
Taxonomic identifier	266 [NCBI]
Taxonomic lineage	Bacteria › Proteobacteria › Alphaproteobacteria › Rhodobacterales › Rhodobacteraceae › Paracoccus

Protein attributes

Sequence length	31 AA.
Sequence status	Fragment.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Accepts electrons from ETF and reduces ubiquinone.
Catalytic activity	Reduced electron-transferring flavoprotein + ubiquinone = electron-transferring flavoprotein + ubiquinol.
Cofactor	Binds 1 4Fe-4S cluster. FAD.
Subunit structure	Monomer By similarity.

Ontologies

Keywords
Biological process	Electron transport Transport
Ligand	4Fe-4S FAD Flavoprotein Iron Iron-sulfur Metal-binding Ubiquinone
Molecular function	Oxidoreductase
Technical term	Direct protein sequencing
Gene Ontology (GO)
Biological process	electron transport chain Inferred from electronic annotation. Source: UniProtKB-KW transport Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	4 iron, 4 sulfur cluster binding Inferred from electronic annotation. Source: UniProtKB-KW electron-transferring-flavoprotein dehydrogenase activity Inferred from electronic annotation. Source: EC iron ion binding Inferred from electronic annotation. Source: UniProtKB-KW monooxygenase activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – ›31	›31	Electron transfer flavoprotein-ubiquinone oxidoreductase		PRO_0000200682
Regions
	Nucleotide binding	11 – 25	15	FAD Potential
Experimental info
	Non-terminal residue	31	1

Sequences

	Sequence		Length	Mass (Da)
	P55932-1 [UniParc]. Last modified November 1, 1997. Version 1. Checksum: DAB2A13A3967D27D	FASTA	31	2,975
	10 20 30 SDIGGSMDYD VVIVGAGGAG LSAAILKQVN P

References

[1]	"Molecular cloning and expression of a cDNA encoding human electron transfer flavoprotein-ubiquinone oxidoreductase." Goodman S.I., Axtell K.M., Bindoff L.A., Beard S.E., Gill R.E., Frerman F.E. Eur. J. Biochem. 219:277-286(1994) [PubMed: 8306995] [Abstract] Cited for: PROTEIN SEQUENCE.

Cross-references

3D structure databases
ModBase	Search...
Enzyme and pathway databases
BRENDA	1.5.5.1. 59.
Family and domain databases
InterPro	IPR002938. mOase_FAD_bd. [Graphical view]
Pfam	PF01494. FAD_binding_3. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

ETFD_PARDE

Accession

Primary (citable) accession number: P55932

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1997
Last sequence update:	November 1, 1997
Last modified:	May 5, 2009
This is version 36 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)