ID A0A097QXK4_HAFAL Unreviewed; 548 AA.
AC A0A097QXK4;
DT 07-JAN-2015, integrated into UniProtKB/TrEMBL.
DT 07-JAN-2015, sequence version 1.
DT 24-JAN-2024, entry version 43.
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=AT03_01605 {ECO:0000313|EMBL:AIU71218.1};
OS Hafnia alvei FB1.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Hafniaceae; Hafnia.
OX NCBI_TaxID=1453496 {ECO:0000313|EMBL:AIU71218.1, ECO:0000313|Proteomes:UP000029986};
RN [1] {ECO:0000313|EMBL:AIU71218.1, ECO:0000313|Proteomes:UP000029986}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FB1 {ECO:0000313|EMBL:AIU71218.1,
RC ECO:0000313|Proteomes:UP000029986};
RX PubMed=25075225; DOI=10.1186/1757-4749-6-29;
RA Tan J.Y., Yin W.F., Chan K.G.;
RT "Gene clusters of Hafnia alvei strain FB1 important in survival and
RT pathogenesis: a draft genome perspective.";
RL Gut Pathog. 6:29-29(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; CP009706; AIU71218.1; -; Genomic_DNA.
DR RefSeq; WP_025802067.1; NZ_CP009706.1.
DR AlphaFoldDB; A0A097QXK4; -.
DR KEGG; hav:AT03_01605; -.
DR PATRIC; fig|1453496.5.peg.325; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_6; -.
DR OrthoDB; 9785953at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000029986; 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:SF142; ACETOLACTATE SYNTHASE; 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:UP000029986};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AIU71218.1}.
FT DOMAIN 1..116
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 188..321
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 374..522
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 548 AA; 58336 MW; CF0D1E30A339B095 CRC64;
MNGAQWVVQA LRAQGVDKVF GYPGGAIMPV YDALYDGGVE HLLCRHEQGA VIAAIGYARA
TGKPGVCIAT SGPGATNLIT GLADAMLDSV PVVAITGQVG SALIGTDAFQ EIDVLGLSLA
CTKHSFLVES LDALPGIMAE AFAVAMGGRP GPVLIDIPKD IQLAEGELAA HLSAVTEVMP
ACETGLMQAR ELLAQAKKPM LYAGGGVGMA QAVPALREFV NATGIPTVVT LKGLGAPDAN
HPCYLGMLGM HGTKAANLAV QQCDLLIAVG ARFDDRVTGK LNAFAPHAKV IHMDIDPAEM
SKLRQAHVEL CGDLNIMLPA LSQPLSIGEW QYDVIGLKAE HPWRYDHPGQ AIYAPLFLKQ
LSDRKPASAV VTTDVGQHQM WTAQHMQFTR PENFITSSGL GTMGFGVPAA VGAQMARPDD
MVICVSGDGS FMMNVQELGT IKRKKLPVKI VLLDNQRLGM VRQWQQLFFD GRYSETNLSD
NPDFLMLASA FGIAGQRITR KDQVDAALDA LLNSEGPYLL HVSIDELENV WPLVPPGAGN
ESMMEKIS
//
