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Database: UniProt
Entry: A0A099TUW9_9HELI
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ID   A0A099TUW9_9HELI        Unreviewed;       563 AA.
AC   A0A099TUW9;
DT   07-JAN-2015, integrated into UniProtKB/TrEMBL.
DT   07-JAN-2015, sequence version 1.
DT   24-JAN-2024, entry version 46.
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=LS70_008040 {ECO:0000313|EMBL:TLD81231.1};
OS   Helicobacter sp. MIT 11-5569.
OC   Bacteria; Campylobacterota; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=1548151 {ECO:0000313|EMBL:TLD81231.1, ECO:0000313|Proteomes:UP000029923};
RN   [1] {ECO:0000313|EMBL:TLD81231.1, ECO:0000313|Proteomes:UP000029923}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 11-5569 {ECO:0000313|EMBL:TLD81231.1,
RC   ECO:0000313|Proteomes:UP000029923};
RX   PubMed=25428971;
RA   Sheh A., Shen Z., Fox J.G.;
RT   "Draft genome sequences of eight enterohepatic helicobacter species
RT   isolated from both laboratory and wild rodents.";
RL   Genome Announc. 2:e01218-e01214(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|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:TLD81231.1}.
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DR   EMBL; JRPB02000010; TLD81231.1; -; Genomic_DNA.
DR   RefSeq; WP_034286911.1; NZ_JRPB02000010.1.
DR   AlphaFoldDB; A0A099TUW9; -.
DR   STRING; 1548151.LS70_00300; -.
DR   eggNOG; COG0028; Bacteria.
DR   OrthoDB; 2254214at2; -.
DR   UniPathway; UPA00047; UER00055.
DR   UniPathway; UPA00049; UER00059.
DR   Proteomes; UP000029923; 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   Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW   Transferase {ECO:0000256|RuleBase:RU003591}.
FT   DOMAIN          4..119
FT                   /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF02776"
FT   DOMAIN          193..328
FT                   /note="Thiamine pyrophosphate enzyme central"
FT                   /evidence="ECO:0000259|Pfam:PF00205"
FT   DOMAIN          388..536
FT                   /note="Thiamine pyrophosphate enzyme TPP-binding"
FT                   /evidence="ECO:0000259|Pfam:PF02775"
SQ   SEQUENCE   563 AA;  62166 MW;  D35BF689A26F6EE0 CRC64;
     MRLNGSEMVM HALKNEGVKV VFGYPGGAAL NLYDEIYKQD FFTHILTRHE QAAVHAADGY
     ARASGEVGVA IVTSGPGFTN TVTGIATAYM DSIPLVIISG QVPTSLIGTD AFQEIDAVGI
     SRPCTKHNYL VKSIEELPRI LKEAFYIARS GRPGPVHIDL PKDISATIGD FNYPNEIKLQ
     TYKPTYKGNL RQIKKAAQII KDSKKPLLYL GGGAIASGSA QIIKEFCEMT QIPAVETLMA
     RGILPHNHPN LLGMVGMHGS YAANMAMSET DLLIALGARF DDRVTGKLSE FAKYAQIIHI
     DIDPSSISKI VSANYPIVGD IKNVLEELLP ILREDYEPKS TLVWREQLER YNKLHPLSYQ
     DSTTPLKPQW VLEKLGEMLG ENAIISTDVG QHQMWAAQFY PFASPRQFIT SGGLGTMGFG
     LPAAMGAKKA FPNKVSINIS GDGSILMNIQ ELMTCAVYGI PVINIVLNNN YLGMVRQWQT
     FFYDNRYSET DLEQQPDFVK LVESFGGYGK VCFTKEDFTK ALQEAIDSNK PALLDVRIDR
     MENVLPMVPT GGALFNMMLE YKE
//
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