Q8TJJ4 (ILVC_METAC) 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:	MA_3790

Organism

Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A)

Taxonomic identifier

188937 [NCBI]

Taxonomic lineage

Archaea › Euryarchaeota › Methanomicrobia › Methanosarcinales › Methanosarcinaceae › Methanosarcina

Protein attributes

Sequence length	335 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 Reference 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 – 335	335	Ketol-acid reductoisomerase HAMAP MF_00435		PRO_0000151390
Sites
	Active site	108	1	Potential

Sequences

	Sequence		Length	Mass (Da)
	Q8TJJ4 [UniParc]. Last modified June 1, 2002. Version 1. Checksum: 68B44A11F3ED6B09	FASTA	335	36,883
	10 20 30 40 50 60 MATIIYDNET TFDALKDKTI AIMGYGSQGH AHARNLHESG LNVVVGLRKG SSSWAKAESD 70 80 90 100 110 120 GLKVMTVEEA AKAADVIMIL LPDEKQASVY YSQIEPSLEA GNALVFAHGF NIHYNQIVPP 130 140 150 160 170 180 KDVDVFMVAP KGPGHIVRRT YTEGIGVPGL IAVYQDATGK ARDLALAYAK GIGATRAGVY 190 200 210 220 230 240 ETTFREETET DLFGEQVDLC GGLSALIKTA FEVLVEAGYQ PEMAYFETCH EVKLIVDLIY 250 260 270 280 290 300 EGGLERMWHS VSNTAEYGGM TVGPRIINEE SREAMYEALA RIQNGEFAKE FVLEGMVNHP 310 320 330 VLKAMERQEK EHPLEVVGKE IRANIPWLNK KIDDD

References

[1]

"The genome of Methanosarcina acetivorans reveals extensive metabolic and physiological diversity." Galagan J.E., Nusbaum C., Roy A., Endrizzi M.G., Macdonald P., FitzHugh W., Calvo S., Engels R., Smirnov S., Atnoor D., Brown A., Allen N., Naylor J., Stange-Thomann N., DeArellano K., Johnson R., Linton L., McEwan P. , McKernan K., Talamas J., Tirrell A., Ye W., Zimmer A., Barber R.D., Cann I., Graham D.E., Grahame D.A., Guss A.M., Hedderich R., Ingram-Smith C., Kuettner H.C., Krzycki J.A., Leigh J.A., Li W., Liu J., Mukhopadhyay B., Reeve J.N., Smith K., Springer T.A., Umayam L.A., White O., White R.H., de Macario E.C., Ferry J.G., Jarrell K.F., Jing H., Macario A.J.L., Paulsen I.T., Pritchett M., Sowers K.R., Swanson R.V., Zinder S.H., Lander E., Metcalf W.W., Birren B. Genome Res. 12:532-542(2002) [PubMed: 11932238] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 35395 / DSM 2834 / JCM 12185 / C2A.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE010299 Genomic DNA. Translation: AAM07141.1.
RefSeq	NP_618661.1. NC_003552.1.
3D structure databases
ProteinModelPortal	Q8TJJ4.
SMR	Q8TJJ4. Positions 3-328.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	1475683.
GenomeReviews	Gene locus MA_3790 in contig AE010299_GR.
KEGG	mac:MA3790.
NMPDR	fig|188937.1.peg.3687.
Phylogenomic databases
HOGENOM	HBG286525.
OMA	MAYAKGI.
ProtClustDB	PRK05479.
Enzyme and pathway databases
BioCyc	MACE188937:MA3790-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_METAC

Accession

Primary (citable) accession number: Q8TJJ4

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 6, 2003
Last sequence update:	June 1, 2002
Last modified:	November 16, 2011
This is version 63 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program