A9A7D0 (ILVC_METM6) 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:	MmarC6_0233

Organism

Methanococcus maripaludis (strain C6 / ATCC BAA-1332) [Complete proteome] [HAMAP]

Taxonomic identifier

444158 [NCBI]

Taxonomic lineage

Archaea › Euryarchaeota › Methanococci › Methanococcales › Methanococcaceae › Methanococcus

Protein attributes

Sequence length	330 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 – 330	330	Ketol-acid reductoisomerase HAMAP MF_00435		PRO_1000124308
Sites
	Active site	107	1	Potential

Sequences

	Sequence		Length	Mass (Da)
	A9A7D0 [UniParc]. Last modified January 15, 2008. Version 1. Checksum: E40A4F7B0A296426	FASTA	330	36,486
	10 20 30 40 50 60 MKVFYDSDFK LDALKEKTIA VIGYGSQGRA QSLNMKDSGL NVVVGLRKNG ASWENAKADG 70 80 90 100 110 120 HNVMTIEEAA EKADIIHILI PDELQAEVYD AQIKPCLKEG KTLSFSHGFN IHYGFIVPPK 130 140 150 160 170 180 GVNVVLVAPK SPGKMVRRTY EEGFGVPGLI CIEIDATNNA FDIVSAMAKG IGLSRAGVIQ 190 200 210 220 230 240 TTFKEETETD LFGEQAVLCG GVTELIKAGF ETLVEAGYAP EMAYFETCHE LKLIVDLIYQ 250 260 270 280 290 300 KGFKNMWNDV SNTAEYGGLT RRSRIVTADS KAAMKEILKE IQDGRFTKEF VLEKQVNHAH 310 320 330 LKAMRRIEGE LQIEEVGAKL RKMCGLEKEE

References

[1]

"Complete sequence of Methanococcus maripaludis C6." US DOE Joint Genome Institute Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Clum A., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B., Richardson P. Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: C6 / ATCC BAA-1332.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000867 Genomic DNA. Translation: ABX01054.1.
RefSeq	YP_001548286.1. NC_009975.1.
3D structure databases
ProteinModelPortal	A9A7D0.
SMR	A9A7D0. Positions 1-324.
ModBase	Search...
Protein-protein interaction databases
STRING	A9A7D0.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	5738719.
GenomeReviews	Gene locus MmarC6_0233 in contig CP000867_GR.
KEGG	mmx:MmarC6_0233.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG286525.
OMA	MAYAKGI.
ProtClustDB	PRK05479.
Enzyme and pathway databases
BioCyc	MMAR444158:MMARC6_0233-MONOMER.
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_METM6

Accession

Primary (citable) accession number: A9A7D0

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	January 15, 2008
Last modified:	January 25, 2012
This is version 34 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program