ID B1I1D8_DESAP Unreviewed; 556 AA.
AC B1I1D8;
DT 29-APR-2008, integrated into UniProtKB/TrEMBL.
DT 29-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 103.
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 OrderedLocusNames=Daud_0352 {ECO:0000313|EMBL:ACA58910.1};
OS Desulforudis audaxviator (strain MP104C).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Peptococcaceae;
OC Desulforudis.
OX NCBI_TaxID=477974 {ECO:0000313|EMBL:ACA58910.1, ECO:0000313|Proteomes:UP000008544};
RN [1] {ECO:0000313|Proteomes:UP000008544}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP104C {ECO:0000313|Proteomes:UP000008544};
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Bruce D., Pitluck S., Lowry S.R., Larimer F., Land M.L.,
RA Hauser L., Kyrpides N., Ivanova N.N., Richardson P.;
RT "Complete sequence of chromosome of Desulforudis audaxviator MP104C.";
RL Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ACA58910.1, ECO:0000313|Proteomes:UP000008544}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP104C {ECO:0000313|EMBL:ACA58910.1,
RC ECO:0000313|Proteomes:UP000008544};
RX PubMed=18845759; DOI=10.1126/science.1155495;
RA Chivian D., Brodie E.L., Alm E.J., Culley D.E., Dehal P.S., Desantis T.Z.,
RA Gihring T.M., Lapidus A., Lin L.H., Lowry S.R., Moser D.P.,
RA Richardson P.M., Southam G., Wanger G., Pratt L.M., Andersen G.L.,
RA Hazen T.C., Brockman F.J., Arkin A.P., Onstott T.C.;
RT "Environmental genomics reveals a single-species ecosystem deep within
RT Earth.";
RL Science 322:275-278(2008).
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; CP000860; ACA58910.1; -; Genomic_DNA.
DR RefSeq; WP_012301502.1; NC_010424.1.
DR AlphaFoldDB; B1I1D8; -.
DR STRING; 477974.Daud_0352; -.
DR KEGG; dau:Daud_0352; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_9; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000008544; 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 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.
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:UP000008544};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ACA58910.1}.
FT DOMAIN 8..121
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 196..330
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 387..533
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 556 AA; 60236 MW; A9BC17441AFDD3C4 CRC64;
MRSEDMLTGG QILVECLKNE GVDVIFGYPG GAVLPIYDAL YDSDILHVLT RHEQAAAHAA
DGYARATGRP GVCMATSGPG ATNLVTGIAT AAMDSVPMVA ITGQVPTTLI GKDAFQEADI
TGITMPITKH NYLVRDVNDL PRIVKEAFYI ATTGRPGPVL IDIPRDVSAG KTEYRDPGPI
GLRGYMPRLA GEPAKVAAAA KLIAQARRPL IYAGGGVINS GAAEYLRKLA ETIMAPVAVT
LMGIGCFPGD HPLFLGMLGM HGARYTNYAV NECDLLLAIG VRFDDRVTGK VDSFASHAKV
IHIDIDPAEF GKNVPVDISI AGDVRTVLVD LIKNLTCNPD PAWQEKIARW KKEYPLDYSR
EGLRPQAVIR ELSDMLQGRQ YRVTTEVGQN QMWAAQHFCI TRPRSFISSG GLGTMGYGFP
AAIGVQVACP DELVFDIAGD GSIQMNIQEL TTAVNYELPV NVAILNNGYL GMVRQWQELF
YNRRYSQTEL TNPDFVKVAE AFGAEGLRVE KSAEIRPALE QAIASSKPVF LDFIVEREEN
VMPIVPPGEA ISRMLG
//