ID X2HBK9_9NEIS Unreviewed; 574 AA.
AC X2HBK9;
DT 11-JUN-2014, integrated into UniProtKB/TrEMBL.
DT 11-JUN-2014, sequence version 1.
DT 27-MAR-2024, entry version 47.
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=SALWKB2_1186 {ECO:0000313|EMBL:AHN28568.1};
OS Snodgrassella alvi wkB2.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC Snodgrassella.
OX NCBI_TaxID=1196094 {ECO:0000313|EMBL:AHN28568.1, ECO:0000313|Proteomes:UP000019668};
RN [1] {ECO:0000313|EMBL:AHN28568.1, ECO:0000313|Proteomes:UP000019668}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WkB2 {ECO:0000313|EMBL:AHN28568.1};
RX PubMed=25053814;
RA Kwong W.K., Engel P., Koch H., Moran N.A.;
RT "Genomics and host specialization of honey bee and bumble bee gut
RT symbionts.";
RL Proc. Natl. Acad. Sci. U.S.A. 111:11509-11514(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; CP007446; AHN28568.1; -; Genomic_DNA.
DR RefSeq; WP_038648864.1; NZ_CP091515.1.
DR AlphaFoldDB; X2HBK9; -.
DR STRING; 1196094.SALWKB2_1186; -.
DR GeneID; 32536310; -.
DR KEGG; salv:SALWKB2_1186; -.
DR PATRIC; fig|1196094.4.peg.1187; -.
DR HOGENOM; CLU_013748_1_2_4; -.
DR OrthoDB; 2254214at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000019668; 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 Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AHN28568.1}.
FT DOMAIN 4..121
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 196..332
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 395..543
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 574 AA; 63055 MW; C1558D8855130395 CRC64;
MQLSGAQILV QSLKAENVEY VFGYPGGAVL EIYDAIFQLK KFRHILVRHE QAAVHAADAY
SRASNGEKIG VALVTSGPGA TNAITGIATA NSDSVPLVVI SGQVGSPAIG TDAFQEVDTV
GISRPCVKHN FLVTHVSELA ETVKKAFQIA RTGRPGVVVI DVPKDVTQAM AKFSYPQEDI
NIRSYQPVTQ GHTGQIKKAA QVMAAAKRPI VLYGGGVILG NASNILTDFI QSTGTPCVST
LMGLGAFPAT NRQFLGMVGM HGSYEANIAL QNADVVLAVG ARFDDRVISV PDKFTDDGKK
IIHIDIDPSS IAKRVKVDVP IVGDVKNVLA DLLALWQKQN LNFNSNALDR WWKNIENWRS
RDSIWFESSD EIIKPQQVIQ TLAKLTDNNA LITSDVGQHQ MFTAQYYPFI RPRQWLNSGG
LGTMGVGLPY AMGAKLAKPE EDVFCITGEG SIQMNIQELS TCYQYRLPIK VINLNNGFLG
MVRQWQELYY DNRYSETYME SLPDFVKLAE AYGHVGIRVE KAVDIEGALK EAIALKDRLV
FMDFITDRTQ NVYPMVGNGK GLDEMVLPPH MREE
//
