ID Q3Z889_DEHM1 Unreviewed; 569 AA.
AC Q3Z889;
DT 27-SEP-2005, integrated into UniProtKB/TrEMBL.
DT 27-SEP-2005, sequence version 1.
DT 24-JAN-2024, entry version 123.
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 Name=ilvB {ECO:0000313|EMBL:AAW39924.1};
GN OrderedLocusNames=DET0833 {ECO:0000313|EMBL:AAW39924.1};
OS Dehalococcoides mccartyi (strain ATCC BAA-2266 / KCTC 15142 / 195)
OS (Dehalococcoides ethenogenes (strain 195)).
OC Bacteria; Chloroflexota; Dehalococcoidia; Dehalococcoidales;
OC Dehalococcoidaceae; Dehalococcoides.
OX NCBI_TaxID=243164 {ECO:0000313|EMBL:AAW39924.1, ECO:0000313|Proteomes:UP000008289};
RN [1] {ECO:0000313|EMBL:AAW39924.1, ECO:0000313|Proteomes:UP000008289}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-2266 / KCTC 15142 / 195
RC {ECO:0000313|Proteomes:UP000008289};
RX PubMed=15637277; DOI=10.1126/science.1102226;
RA Seshadri R., Adrian L., Fouts D.E., Eisen J.A., Phillippy A.M., Methe B.A.,
RA Ward N.L., Nelson W.C., Deboy R.T., Khouri H.M., Kolonay J.F., Dodson R.J.,
RA Daugherty S.C., Brinkac L.M., Sullivan S.A., Madupu R., Nelson K.E.,
RA Kang K.H., Impraim M., Tran K., Robinson J.M., Forberger H.A., Fraser C.M.,
RA Zinder S.H., Heidelberg J.F.;
RT "Genome sequence of the PCE-dechlorinating bacterium Dehalococcoides
RT ethenogenes.";
RL Science 307:105-108(2005).
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}.
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DR EMBL; CP000027; AAW39924.1; -; Genomic_DNA.
DR RefSeq; WP_010936561.1; NC_002936.3.
DR AlphaFoldDB; Q3Z889; -.
DR STRING; 243164.DET0833; -.
DR GeneID; 60794811; -.
DR KEGG; det:DET0833; -.
DR PATRIC; fig|243164.10.peg.791; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_0; -.
DR InParanoid; Q3Z889; -.
DR OMA; CFGTSGP; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000008289; 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: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, ECO:0000313|EMBL:AAW39924.1}.
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 384..530
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 569 AA; 61907 MW; DA0AB9AF761C7396 CRC64;
MKLTGAQIVC ESLLKEGADV IFGYPGGVLL PLYDTFPQYP ALRHILTRHE QGAAHAADGF
ARVTGKVGVC LATSGPGATN LITGIANAYM DSIPMVAITG QVTRNLIGKD AFQEIDITGI
TLPITKQNYL VTRASALADT IKEAFYLART GRPGPVLIDI PKDVFIEQAE FEYPDEPDLP
GYKPVIKGNL MQIQKAAKLI ETAEKPVIIA GHGVNISGAN EELKTLAENC QLPVITTLLG
VSSFPEDHIL SYGMLGMHGM AYANMAVAAT DLIVAIGMRF DDRVTGKLSA FAPHASVIHI
DIDPAEIGKN IRVDVPIVGD VKTVLKSLNK QVECVQHSEW LRQLENWRRE HPPLSIRHTD
LILPQYIVQQ ISEATSGNAI VVTGVGQHQM WAAQHYTYIR PNSLVTSGGL GTMGFDLPAA
LGAKVGCPDE TVWCIAGDGG FQMNMQELAT IVQERAAVKI AVFNNGYLGM VRQWQDLFYN
KNYVATPLGC PDFIKIAEAY DIPALNVKRK EEVRPAIEQA MATEGPFLIN FIIEPEENVY
PMVPPGAALH EVLEEPKKEV SACPRRSIP
//