ID U5MSS9_CLOSA Unreviewed; 97 AA.
AC U5MSS9;
DT 22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT 22-JAN-2014, sequence version 1.
DT 27-MAR-2024, entry version 43.
DE RecName: Full=acetolactate synthase {ECO:0000256|ARBA:ARBA00013145};
DE EC=2.2.1.6 {ECO:0000256|ARBA:ARBA00013145};
GN ORFNames=CLSA_c17270 {ECO:0000313|EMBL:AGX42721.1};
OS Clostridium saccharobutylicum DSM 13864.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=1345695 {ECO:0000313|EMBL:AGX42721.1, ECO:0000313|Proteomes:UP000017118};
RN [1] {ECO:0000313|EMBL:AGX42721.1, ECO:0000313|Proteomes:UP000017118}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 13864 {ECO:0000313|EMBL:AGX42721.1};
RX PubMed=24285650;
RA Poehlein A., Hartwich K., Krabben P., Ehrenreich A., Liebl W., Durre P.,
RA Gottschalk G., Daniel R.;
RT "Complete Genome Sequence of the Solvent Producer Clostridium
RT saccharobutylicum NCP262 (DSM 13864).";
RL Genome Announc. 1:e00997-13(2013).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + 2 pyruvate = (2S)-2-acetolactate + CO2;
CC Xref=Rhea:RHEA:25249, ChEBI:CHEBI:15361, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:58476; EC=2.2.1.6;
CC Evidence={ECO:0000256|ARBA:ARBA00000673};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 1/4.
CC {ECO:0000256|ARBA:ARBA00004974}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 1/4. {ECO:0000256|ARBA:ARBA00005025}.
CC -!- SUBUNIT: Dimer of large and small chains.
CC {ECO:0000256|ARBA:ARBA00011744}.
CC -!- SIMILARITY: Belongs to the acetolactate synthase small subunit family.
CC {ECO:0000256|ARBA:ARBA00006341}.
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DR EMBL; CP006721; AGX42721.1; -; Genomic_DNA.
DR RefSeq; WP_022745317.1; NZ_AYXL01000330.1.
DR AlphaFoldDB; U5MSS9; -.
DR GeneID; 55474213; -.
DR KEGG; csb:CLSA_c17270; -.
DR PATRIC; fig|1345695.10.peg.3857; -.
DR eggNOG; COG0440; Bacteria.
DR HOGENOM; CLU_165363_0_0_9; -.
DR OrthoDB; 9787365at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000017118; Chromosome.
DR GO; GO:0003984; F:acetolactate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:1990610; F:acetolactate synthase regulator activity; IEA:InterPro.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd04878; ACT_AHAS; 1.
DR Gene3D; 3.30.70.260; -; 1.
DR InterPro; IPR004789; Acetalactate_synth_ssu.
DR InterPro; IPR045865; ACT-like_dom_sf.
DR InterPro; IPR002912; ACT_dom.
DR InterPro; IPR039557; AHAS_ACT.
DR PANTHER; PTHR30239:SF4; ACETOLACTATE SYNTHASE ISOZYME 1 SMALL SUBUNIT; 1.
DR PANTHER; PTHR30239; ACETOLACTATE SYNTHASE SMALL SUBUNIT; 1.
DR Pfam; PF13710; ACT_5; 1.
DR SUPFAM; SSF55021; ACT-like; 1.
DR PROSITE; PS51671; ACT; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304};
KW Reference proteome {ECO:0000313|Proteomes:UP000017118}.
FT DOMAIN 8..81
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
SQ SEQUENCE 97 AA; 11190 MW; 733F2675CD380D64 CRC64;
MINTNFYLIE LLVRNHCGVM SHITGLFARR AFNLEGILCA RVGDGSTSKM FLLVKNDFVL
NQIIKQLEKL YDVLEVSLHQ DYDQSVFENL DKVLKLK
//
