B1Y9N6 (ILVC_THENV) Reviewed, UniProtKB/Swiss-Prot

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:	Tneu_1541

Organism

Thermoproteus neutrophilus (strain DSM 2338 / JCM 9278 / V24Sta) [Complete proteome] [HAMAP]

Taxonomic identifier

444157 [NCBI]

Taxonomic lineage

Archaea › Crenarchaeota › Thermoprotei › Thermoproteales › Thermoproteaceae › Thermoproteus

Protein attributes

Sequence length	327 AA.
Sequence status	Complete.
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. HAMAP MF_00435 (2R,3R)-2,3-dihydroxy-3-methylpentanoate + NADP+ = (S)-2-hydroxy-2-ethyl-3-oxobutanoate + NADPH. HAMAP MF_00435
Pathway	Amino-acid biosynthesis; L-isoleucine biosynthesis; L-isoleucine from 2-oxobutanoate: step 2/4. HAMAP MF_00435 Amino-acid biosynthesis; L-valine biosynthesis; L-valine from pyruvate: step 2/4. HAMAP MF_00435
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	branched chain family amino acid biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	coenzyme binding Inferred from electronic annotation. Source: InterPro ketol-acid reductoisomerase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 327	327	Ketol-acid reductoisomerase HAMAP MF_00435		PRO_1000191026
Sites
	Active site	108	1	Potential

Sequences

	Sequence		Length	Mass (Da)
	B1Y9N6 [UniParc]. Last modified May 20, 2008. Version 1. Checksum: 13F6A7851B1FBD20	FASTA	327	35,626
	10 20 30 40 50 60 MAKIYTDKDA SLEPLRGKTI AVIGYGIQGR AQALNLRDSG LKVIVGLRKG GNSWNVAASE 70 80 90 100 110 120 GFEVYEVGEA VSRADVVMVL IPDMEQPKVW QSQIAPHLRE GAVVDFAHGF NIHYGLIKPP 130 140 150 160 170 180 KNVDVVMVAP KAPGRAVREE FLAGRGVPAL VAVHQNYSGS ALKYALAIAK GIGATRAGVI 190 200 210 220 230 240 ETTFAEETET DLIGEQTVLV GGLMELIKRG FEVLVEMGYQ PEVAYFEVLN EAKLIMDLIW 250 260 270 280 290 300 QRGIYGMLNG VSDTAKYGGL TVGPKIIDEE VKSKMKAAAL RVKSGEFAKE WVEEYARGSP 310 320 NLKRLMESVK EHPIEKVGAE MRKLLFG

References

[1]

"Complete sequence of Thermoproteus neutrophilus V24Sta." US DOE Joint Genome Institute Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Sims D., Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L. , Kyrpides N., Mikhailova N., Biddle J.F., Zhang Z., Fitz-Gibbon S.T., Lowe T.M., Saltikov C., House C.H., Richardson P. Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: DSM 2338 / JCM 9278 / V24Sta.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP001014 Genomic DNA. Translation: ACB40465.1.
RefSeq	YP_001794911.1. NC_010525.1.
3D structure databases
ProteinModelPortal	B1Y9N6.
ModBase	Search...
Protein-protein interaction databases
STRING	B1Y9N6.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	6165196.
GenomeReviews	Gene locus Tneu_1541 in contig CP001014_GR.
KEGG	tne:Tneu_1541.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG286525.
OMA	MAYAKGI.
ProtClustDB	PRK05479.
Family and domain databases
HAMAP	MF_00435. IlvC. [Tree]
InterPro	IPR008927. 6-PGluconate_DH_C-like. IPR013023. AcH_isomrdctse. IPR000506. AcH_isomrdctse_C. IPR013328. DH_multihelical. IPR013116. IlvN. [Graphical view]
Gene3D	G3DSA:1.10.1040.10. Opine_DH. 1 hit.
KO	K00053.
PANTHER	PTHR21371. AcH_isomrdctse. 1 hit.
Pfam	PF01450. IlvC. 1 hit. PF07991. IlvN. 1 hit. [Graphical view]
SUPFAM	SSF48179. 6DGDH_C_like. 1 hit.
TIGRFAMs	TIGR00465. IlvC. 1 hit.
ProtoNet	Search...

Entry information

Entry name

ILVC_THENV

Accession

Primary (citable) accession number: B1Y9N6

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	May 20, 2008
Last modified:	January 25, 2012
This is version 31 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program