ID G2NFP1_STREK Unreviewed; 618 AA.
AC G2NFP1;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 72.
DE RecName: Full=Acetolactate synthase {ECO:0000256|ARBA:ARBA00013145, ECO:0000256|RuleBase:RU003591};
DE EC=2.2.1.6 {ECO:0000256|ARBA:ARBA00013145, ECO:0000256|RuleBase:RU003591};
GN ORFNames=SACTE_4712 {ECO:0000313|EMBL:AEN12538.1};
OS Streptomyces sp. (strain SirexAA-E / ActE).
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=862751 {ECO:0000313|EMBL:AEN12538.1, ECO:0000313|Proteomes:UP000001397};
RN [1] {ECO:0000313|EMBL:AEN12538.1, ECO:0000313|Proteomes:UP000001397}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SirexAA-E / ActE {ECO:0000313|Proteomes:UP000001397};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Ovchinnikova G., Davenport K., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Adams A., Raffa K.,
RA Adams S., Book A., Currie C., Woyke T.;
RT "Complete sequence of Streptomyces sp. SirexAA-E.";
RL Submitted (AUG-2011) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AEN12538.1, ECO:0000313|Proteomes:UP000001397}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SirexAA-E / ActE {ECO:0000313|Proteomes:UP000001397};
RX PubMed=24710170; DOI=10.1371/journal.pone.0094166;
RA Takasuka T.E., Acheson J.F., Bianchetti C.M., Prom B.M., Bergeman L.F.,
RA Book A.J., Currie C.R., Fox B.G.;
RT "Biochemical properties and atomic resolution structure of a
RT proteolytically processed beta-mannanase from cellulolytic Streptomyces sp.
RT SirexAA-E.";
RL PLoS ONE 9:e94166-E94166(2014).
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|RuleBase:RU003591};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|RuleBase:RU003591};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|RuleBase:RU003591};
CC Note=Binds 1 thiamine pyrophosphate per subunit.
CC {ECO:0000256|RuleBase:RU003591};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 1/4.
CC {ECO:0000256|ARBA:ARBA00004974, ECO:0000256|RuleBase:RU003591}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 1/4. {ECO:0000256|ARBA:ARBA00005025,
CC ECO:0000256|RuleBase:RU003591}.
CC -!- SIMILARITY: Belongs to the TPP enzyme family.
CC {ECO:0000256|ARBA:ARBA00007812, ECO:0000256|RuleBase:RU003591}.
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DR EMBL; CP002993; AEN12538.1; -; Genomic_DNA.
DR AlphaFoldDB; G2NFP1; -.
DR STRING; 862751.SACTE_4712; -.
DR KEGG; ssx:SACTE_4712; -.
DR PATRIC; fig|862751.12.peg.4885; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_11; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000001397; Chromosome.
DR GO; GO:0003984; F:acetolactate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd02015; TPP_AHAS; 1.
DR CDD; cd07035; TPP_PYR_POX_like; 1.
DR Gene3D; 3.40.50.970; -; 2.
DR Gene3D; 3.40.50.1220; TPP-binding domain; 1.
DR InterPro; IPR012846; Acetolactate_synth_lsu.
DR InterPro; IPR039368; AHAS_TPP.
DR InterPro; IPR029035; DHS-like_NAD/FAD-binding_dom.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR012000; Thiamin_PyroP_enz_cen_dom.
DR InterPro; IPR012001; Thiamin_PyroP_enz_TPP-bd_dom.
DR InterPro; IPR000399; TPP-bd_CS.
DR InterPro; IPR045229; TPP_enz.
DR InterPro; IPR011766; TPP_enzyme_TPP-bd.
DR NCBIfam; TIGR00118; acolac_lg; 1.
DR PANTHER; PTHR18968:SF13; ACETOLACTATE SYNTHASE CATALYTIC SUBUNIT, MITOCHONDRIAL; 1.
DR PANTHER; PTHR18968; THIAMINE PYROPHOSPHATE ENZYMES; 1.
DR Pfam; PF02775; TPP_enzyme_C; 1.
DR Pfam; PF00205; TPP_enzyme_M; 1.
DR Pfam; PF02776; TPP_enzyme_N; 1.
DR SUPFAM; SSF52467; DHS-like NAD/FAD-binding domain; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 2.
DR PROSITE; PS00187; TPP_ENZYMES; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|RuleBase:RU003591};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|RuleBase:RU003591}; Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Reference proteome {ECO:0000313|Proteomes:UP000001397};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 31..145
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 220..355
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 419..581
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 1..25
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 618 AA; 65407 MW; 4D160B406C604537 CRC64;
MPMTEQATGA QHPQPRARNG GPSSASVEFL TGAQSLIRSL EEVGADTVFG LPGGCILPAY
DPLMDSTRVR HILVRHEQGA GHAATGYAQA TGKVGVCMVT SGPGATNLVT PIADAAMDSV
PLVAITGQVA SGAIGTDAFQ EADICGITMP ITKHNFLVTR AEDIAHTIAE AFHIASTGRP
GPVLVDIAKD ALQAKTTFSW PPAMDLPGYR PVTKPHAKQI REAAKLITQA QRPVLYVGGG
VLKAGATAEL KVLAELTGAP VTTTLMALGA FPDSHPQHVG MPGMHGSVTA VTALQKADLI
VALGARFDDR VTGKLDSFAP YAKIVHADID PAEIGKNRAA DVPIVGDARE VIADLVQAVQ
AEHTEGRTGD YSAWWKDLDR WRETYPVGYD LPEDGSLSPQ QVIQRIGQLA PEGTVFAAGV
GQHQMWASHF IDYEQPATWL NSGGAGTMGY AVPAAMGAKA GMPDRTVWAI DGDGCFQMTN
QELTTCALNN IPIKVAIINN GALGMVRQWQ TLFYNQRYSN TVLHSGADAD GVPAKGTRVP
DFVKLSEAMG CYAIRCEDPA DLDKVIAEAN AINDRPVVID FIVHEDAMVW PMVAAGTSND
EVMAARGVRP DFGDNEDD
//
