Reviewed, UniProtKB/Swiss-Prot A4STE2 (ILVC_AERS4)

Names and origin

Protein names

Recommended name:
    Ketol-acid reductoisomerase
    EC=1.1.1.86
Alternative name(s):
    Acetohydroxy-acid isomeroreductase
    Alpha-keto-beta-hydroxylacil reductoisomerase

Gene names

Name:	ilvC
Ordered Locus Names:	ASA_4236

Organism

Aeromonas salmonicida (strain A449) [Complete proteome] [HAMAP]

Taxonomic identifier

382245 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Aeromonadales › Aeromonadaceae › Aeromonas

Protein attributes

Sequence length	493 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	(R)-2,3-dihydroxy-3-methylbutanoate + NADP(+) = (S)-2-hydroxy-2-methyl-3-oxobutanoate + NADPH. (2R,3R)-2,3-dihydroxy-3-methylpentanoate + NADP(+) = (S)-2-hydroxy-2-ethyl-3-oxobutanoate + NADPH.
Pathway	Amino-acid biosynthesis; L-isoleucine biosynthesis; L-isoleucine from 2-oxobutanoate: step 2/4. Amino-acid biosynthesis; L-valine biosynthesis; L-valine from pyruvate: step 2/4.
Sequence similarities	Belongs to the ketol-acid reductoisomerase family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Branched-chain amino acid biosynthesis
Ligand	NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	isoleucine biosynthetic process Inferred from electronic annotation. Source: HAMAP oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW valine biosynthetic process Inferred from electronic annotation. Source: HAMAP
Molecular function	NADP binding Inferred from electronic annotation. Source: InterPro ketol-acid reductoisomerase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 493	493	Ketol-acid reductoisomerase		PRO_1000050475
Sites
	Active site	132	1	Potential

Sequences

	Sequence		Length	Mass (Da)
	A4STE2-1 [UniParc]. Last modified May 15, 2007. Version 1. Checksum: 917D74D797BB0CF6	FASTA	493	53,841
	10 20 30 40 50 60 MANYFNTLNL RQQLAQLGKC RFMQRAEFAD GCDVLKGKKV VIVGCGAQGL NQGLNMRDSG 70 80 90 100 110 120 LDISYTLRKA AITEKRASWQ KATDNGFAVG TYEELIPTAD LVLNLTPDKQ HSDVVKTVMP 130 140 150 160 170 180 LMKQGAALGY SHGFNVVEEG QQIRADITVV MVAPKCPGTE VREEYKRGFG VPTLLAVHPE 190 200 210 220 230 240 NDPKGVGMAI AKAWASATGG DRAGVLESSF VAEVKSDLMG EQTILCGMLQ AGSLLCYDKL 250 260 270 280 290 300 VAEGTDPAYA GKLIQFGWET ITEALKQGGI SLMMDRLSNP AKLRAFELSE QLRTLMRPLF 310 320 330 340 350 360 EKHMDDIIAG EFSRGMMADW AEDDAKLFGW REETGKSAFE NALAFAGKIA EQEYFDNGVV 370 380 390 400 410 420 MVAMVKAGVE LAFETMVASG IYEESAYYES LHELPLIANT VARKRLYEMN VVISDTAEYG 430 440 450 460 470 480 NYLFANAAVP LLREHFMPTL KAGDLGASKA EGQNVDNLAL LAANEATRNH PIEKIGQVLR 490 GYMKDMKRIA VGG

References

[1]

"The genome sequence of Aeromonas salmonicida subsp. salmonicida A449." Reith M.E., Singh R.K., Curtis B., Boyd J., Bouevitch A., Kimball J., Munholland J., Murphy C., Sarty D., Williams J., Nash J., Johnson S., Brown L. Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000644 Genomic DNA. Translation: ABO92164.1.
RefSeq	YP_001143912.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	4996960.
GenomeReviews	Gene locus ASA_4236 in contig CP000644_GR.
KEGG	asa:ASA_4236.
Organism-specific databases
CMR	Search...
Family and domain databases
HAMAP	MF_00435. [Tree]
InterPro	IPR013023. AcH_isomrdctse. IPR000506. AcH_isomrdctse_C. IPR013116. IlvN. IPR014359. KetolA_reductoisomerase_bac. [Graphical view]
PANTHER	PTHR21371. AcH_isomrdctse. 1 hit.
Pfam	PF01450. IlvC. 1 hit. PF07991. IlvN. 1 hit. [Graphical view]
PIRSF	PIRSF000116. IlvC_gammaproteo. 1 hit.
TIGRFAMs	TIGR00465. ilvC. 1 hit.
ProtoNet	Search...

Entry information

Entry name

ILVC_AERS4

Accession

Primary (citable) accession number: A4STE2

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	May 15, 2007
Last modified:	November 25, 2008
This is version 14 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)