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Database: UniProt
Entry: A0A0Q9Z804_9FLAO
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ID   A0A0Q9Z804_9FLAO        Unreviewed;       577 AA.
AC   A0A0Q9Z804;
DT   20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT   20-JAN-2016, sequence version 1.
DT   24-JAN-2024, entry version 53.
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=APR42_03920 {ECO:0000313|EMBL:KRG29085.1};
OS   Salegentibacter mishustinae.
OC   Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Salegentibacter.
OX   NCBI_TaxID=270918 {ECO:0000313|EMBL:KRG29085.1, ECO:0000313|Proteomes:UP000051643};
RN   [1] {ECO:0000313|EMBL:KRG29085.1}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KCTC 12263 {ECO:0000313|EMBL:KRG29085.1};
RA   Lin W., Zheng Q.;
RT   "Draft genome sequence of Salegentibacter mishustinae KCTC 12263.";
RL   Submitted (OCT-2015) 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|ARBA:ARBA00000673,
CC         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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:KRG29085.1}.
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DR   EMBL; LKTP01000012; KRG29085.1; -; Genomic_DNA.
DR   RefSeq; WP_057481558.1; NZ_QKZW01000003.1.
DR   AlphaFoldDB; A0A0Q9Z804; -.
DR   STRING; 270918.APR42_03920; -.
DR   OrthoDB; 4494979at2; -.
DR   UniPathway; UPA00047; UER00055.
DR   UniPathway; UPA00049; UER00059.
DR   Proteomes; UP000051643; Unassembled WGS sequence.
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, CHLOROPLASTIC; 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}; FAD {ECO:0000256|ARBA:ARBA00022827};
KW   Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW   Magnesium {ECO:0000256|RuleBase:RU003591};
KW   Metal-binding {ECO:0000256|RuleBase:RU003591};
KW   Reference proteome {ECO:0000313|Proteomes:UP000051643};
KW   Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW   Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:KRG29085.1}.
FT   DOMAIN          20..135
FT                   /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF02776"
FT   DOMAIN          210..345
FT                   /note="Thiamine pyrophosphate enzyme central"
FT                   /evidence="ECO:0000259|Pfam:PF00205"
FT   DOMAIN          406..553
FT                   /note="Thiamine pyrophosphate enzyme TPP-binding"
FT                   /evidence="ECO:0000259|Pfam:PF02775"
SQ   SEQUENCE   577 AA;  63194 MW;  297181473541390B CRC64;
     MEVKTASFEK TASPKATTVS GAEAVIKCLL EEGVDTLYGY PGGAIMPVYD ELYKYQKQIH
     HVLTRHEQGA THAAQGYARV SGKVGVAMAT SGPGATNLVT GIADAQIDST PMVCITGQVG
     SHLLGSDAFQ ETDIIGISTP ITKWNYQITR AEEIPEILAK AFFIARSGRP GPVLIDITKD
     AQFASLEFNY KKCSGIRSYK PTPKVDLNQV EKAAEAINNA KKPMIVFGQG VILGGAEELF
     KQVVEKSGVP AAWTILGLSA MPTDHPLNVG MVGMHGNYGP NVLTNECDVL IAIGMRFDDR
     VTGNLEKYAK QAKVIHFEID PAEINKNVYA DIPVLGNVKE TLQVLLELLK PNKHEAWHQK
     FKDHHQIEFD KIIKNDLNAE RGKIGMAEVI DEINKCSKGN AVIVSDVGQH QMVACRYSKF
     NQTRSNVTSG GLGTMGFALP AAIGAKMGAP ERDVVAVIGD GGYQMTIQEL GTIFQTKVPV
     KIVVLNNDFL GMVRQWQQLF FEKRYASTEM INPDFITIAK GYHIKAKQVS KREDLKEAVT
     EMMQSKEAYF LEVKVEQEEN VFPMVPTGAS VSDIRLE
//
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