Reviewed, UniProtKB/Swiss-Prot Q8YI21 (ILVC_BRUME)

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:	BMEI0624

Organism

Brucella melitensis [Complete proteome] [HAMAP]

Taxonomic identifier

29459 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Brucellaceae › Brucella

Protein attributes

Sequence length	339 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	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 – 339	339	Ketol-acid reductoisomerase		PRO_0000151284
Sites
	Active site	108	1	Potential

Sequences

	Sequence		Length	Mass (Da)
	Q8YI21-1 [UniParc]. Last modified March 1, 2002. Version 1. Checksum: 1A4967D9205EEE92	FASTA	339	37,080
	10 20 30 40 50 60 MRVYYDRDAD VNLIKSKKVV IVGYGSQGRA HALNLKDSGA ANVRVALREG SATVQKAQAD 70 80 90 100 110 120 GFEVMNVADA AKWADLMMMA TPDELQADIY RDHIHNNLRD GAAIAFAHGL NVHCGLIEPK 130 140 150 160 170 180 KTVDVMMIAP KGPGHTVRGE YQKGGGVPCL IAIHQDASGN AHDLALSYAS GVGGGRSGVI 190 200 210 220 230 240 ETTFKEECET DLFGEQAVLC GGVVELIRTG FEVLVEAGYA PEMAYFECLN EMKLIVDLIY 250 260 270 280 290 300 EGGIANMNYS ISNTAEWGEY VTGPRIITAE TKAEMKRVLK DIQTGKFTSD WMQEWKAGAA 310 320 330 RFKGIRRLND AHQIEEVGGK LRAMMPWIEK NKLVDKARN

References

[1]

"The genome sequence of the facultative intracellular pathogen Brucella melitensis." DelVecchio V.G., Kapatral V., Redkar R.J., Patra G., Mujer C., Los T., Ivanova N., Anderson I., Bhattacharyya A., Lykidis A., Reznik G., Jablonski L., Larsen N., D'Souza M., Bernal A., Mazur M., Goltsman E., Selkov E. , Elzer P.H., Hagius S., O'Callaghan D., Letesson J.-J., Haselkorn R., Kyrpides N.C., Overbeek R. Proc. Natl. Acad. Sci. U.S.A. 99:443-448(2002) [PubMed: 11756688] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 16M / ATCC 23456 / NCTC 10094 / Biotype 1.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE009504 Genomic DNA. Translation: AAL51805.1.
PIR	AB3330.
RefSeq	NP_539541.1.
3D structure databases
HSSP	HSSP built from PDB template 1NP3 based on UniProtKB Q9HVA2.
ModBase	Search...
Genome annotation databases
GeneID	1196335.
GenomeReviews	Gene locus BMEI0624 in contig AE008917_GR.
KEGG	bme:BMEI0624.
NMPDR	fig|224914.1.peg.623.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q8YI21.
Enzyme and pathway databases
BioCyc	BMEL224914:BMEI0624-MON.
Family and domain databases
HAMAP	MF_00435. [Tree]
InterPro	IPR013023. AcH_isomrdctse. IPR000506. AcH_isomrdctse_C. IPR013116. IlvN. IPR016040. NAD(P)-bd. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
PANTHER	PTHR21371. AcH_isomrdctse. 1 hit.
Pfam	PF01450. IlvC. 1 hit. PF07991. IlvN. 1 hit. [Graphical view]
TIGRFAMs	TIGR00465. ilvC. 1 hit.
ProtoNet	Search...

Entry information

Entry name

ILVC_BRUME

Accession

Primary (citable) accession number: Q8YI21

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 6, 2003
Last sequence update:	March 1, 2002
Last modified:	November 25, 2008
This is version 41 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)