ID I3Z1G5_BELBD Unreviewed; 560 AA.
AC I3Z1G5;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 57.
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 OrderedLocusNames=Belba_0424 {ECO:0000313|EMBL:AFL83083.1};
OS Belliella baltica (strain DSM 15883 / CIP 108006 / LMG 21964 / BA134).
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Cyclobacteriaceae;
OC Belliella.
OX NCBI_TaxID=866536 {ECO:0000313|EMBL:AFL83083.1, ECO:0000313|Proteomes:UP000006050};
RN [1] {ECO:0000313|Proteomes:UP000006050}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 15883 / CIP 108006 / LMG 21964 / BA134
RC {ECO:0000313|Proteomes:UP000006050};
RA Lucas S., Copeland A., Lapidus A., Goodwin L., Pitluck S., Peters L.,
RA Mikhailova N., Davenport K., Kyrpides N., Mavromatis K., Pagani I.,
RA Ivanova N., Ovchinnikova G., Zeytun A., Detter J.C., Han C., Land M.,
RA Hauser L., Markowitz V., Cheng J.-F., Hugenholtz P., Woyke T., Wu D.,
RA Tindall B., Pomrenke H., Brambilla E., Klenk H.-P., Eisen J.A.;
RT "The complete genome of Belliella baltica DSM 15883.";
RL Submitted (JUN-2012) to the EMBL/GenBank/DDBJ databases.
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; CP003281; AFL83083.1; -; Genomic_DNA.
DR RefSeq; WP_014771096.1; NC_018010.1.
DR AlphaFoldDB; I3Z1G5; -.
DR STRING; 866536.Belba_0424; -.
DR KEGG; bbd:Belba_0424; -.
DR PATRIC; fig|866536.3.peg.439; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_10; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000006050; 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; 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.
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:UP000006050};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AFL83083.1}.
FT DOMAIN 3..119
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 193..326
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 389..536
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 560 AA; 61469 MW; C01B6AB7E2277117 CRC64;
MIRGADIVVR SLIAENAKHI FGYPGGAIMP VYDALYDYSD QIRHVLTRHE QGAIHAAQGY
ARVSGQVGVA LATSGPGATN LITGLADAMI DSTPLVCITG QVAAHLLGTD AFQETDVVGI
SMPVTKWNIQ VRRAEDIAPA IAKGFHIARS GRPGPVLIDI TKNAQTEAGE FNYVPCLSIR
SYRPYFEVKK DEVQKAAELI NEAKRPYVLY GQGVVIGKAE EELRAFLDKT GIPAACTLLG
SGAISEEHPS YVGKLGMHGN YAPNMLTNQC DVLIAIGMRF DDRVTGDLKR YAKQAKVVHL
ELDPAEINKN VFADAPVLGD CKQSLSLLTA VVDKKNHQEW LSKFRELELL EKESVIANDL
SPTKTGLTMG EVIRFINQYK ADDAILVTDV GQHQMIAWRY FDYKTSKTQV TSGGLGTMGF
ALPAALGAQM YDFSRQVICV VGDGGIQMTI QELGTIMQTK APVKVVLLNN NFLGMVRQWQ
QMFFDRRYSF TELDNPDFIK IAEAYSIKAS KVSEREGLSE AVADMFLHDG PYFLEVVVEK
EDNVFPMIAT GCSVEEVRLS
//
