ID B8FHH8_DESAL Unreviewed; 562 AA.
AC B8FHH8;
DT 03-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 03-MAR-2009, sequence version 1.
DT 27-MAR-2024, entry version 93.
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=Dalk_0560 {ECO:0000313|EMBL:ACL02266.1};
OS Desulfatibacillum aliphaticivorans.
OC Bacteria; Thermodesulfobacteriota; Desulfobacteria; Desulfobacterales;
OC Desulfatibacillaceae; Desulfatibacillum.
OX NCBI_TaxID=218208 {ECO:0000313|EMBL:ACL02266.1, ECO:0000313|Proteomes:UP000000739};
RN [1] {ECO:0000313|EMBL:ACL02266.1, ECO:0000313|Proteomes:UP000000739}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AK-01 {ECO:0000313|EMBL:ACL02266.1,
RC ECO:0000313|Proteomes:UP000000739};
RX PubMed=21651686; DOI=10.1111/j.1462-2920.2011.02516.x;
RA Callaghan A.V., Morris B.E., Pereira I.A., McInerney M.J., Austin R.N.,
RA Groves J.T., Kukor J.J., Suflita J.M., Young L.Y., Zylstra G.J., Wawrik B.;
RT "The genome sequence of Desulfatibacillum alkenivorans AK-01: a blueprint
RT for anaerobic alkane oxidation.";
RL Environ. Microbiol. 14:101-113(2012).
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; CP001322; ACL02266.1; -; Genomic_DNA.
DR RefSeq; WP_012609706.1; NC_011768.1.
DR AlphaFoldDB; B8FHH8; -.
DR KEGG; dal:Dalk_0560; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_3_7; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000000739; 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:UP000000739};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ACL02266.1}.
FT DOMAIN 4..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 194..328
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 391..537
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 562 AA; 60642 MW; D6C4022986A6523C CRC64;
MKLSGAEILL KMLESEGVDS IFGYPGGVLI GLYDEMAKSN IRHYLVRHEQ GAVHAADGYA
RISGKVGVCL VTSGPGATNT VTGIASAYCD SIPMVVLTGQ VPTNLIGNDA FQEVDIVGIT
RPCTKHNYLV KDVNELADTI REAFHIARSG RPGPVLIDLP KDVLAGTANF KQPKGPVTMR
SYNPTVTPNT KQLTKVIKEL MKAKKPLIMA GGGIISSNAS QALTDFARKL QIPVTTTLMG
LGAFPGSDDL SLGMIGMHGT YRANMSTGDC DVLLGVGVRF DDRVTGKTDT FASQAKIIHV
DIDPTSIRKN VPVSIPVVGD CKATLDKLNE LLTGENLTEI PEKRAPWLKC IAEWKAAQRL
AYEQTDVIKP QYVVERLCKI TEGKAIISTE VGQNQMWAAQ YYEFDQPNRF ITSGGLGVMG
FGLPAAIGAQ VAAPNDLVVD VAGDGSIQMN IQELGTAMQH KLPVKVVILN NGYLGMVRQW
QELFFGKRYC ATQMDVQPDF VKLAEAYGAT GLRATKPEEV DEVLKKGLAA EGPVIMDFVV
EREECVYPMV PAGAPITEML LV
//
