ID Q1ARE6_RUBXD Unreviewed; 564 AA.
AC Q1ARE6;
DT 11-JUL-2006, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2006, sequence version 1.
DT 27-MAR-2024, entry version 114.
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=Rxyl_3125 {ECO:0000313|EMBL:ABG06032.1};
OS Rubrobacter xylanophilus (strain DSM 9941 / NBRC 16129 / PRD-1).
OC Bacteria; Actinomycetota; Rubrobacteria; Rubrobacterales; Rubrobacteraceae;
OC Rubrobacter.
OX NCBI_TaxID=266117 {ECO:0000313|EMBL:ABG06032.1, ECO:0000313|Proteomes:UP000006637};
RN [1] {ECO:0000313|EMBL:ABG06032.1, ECO:0000313|Proteomes:UP000006637}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9941 / NBRC 16129 / PRD-1
RC {ECO:0000313|Proteomes:UP000006637};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Munk A.C., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A., da Costa M.S.,
RA Rainey F.A., Empadinhas N., Jolivet E., Battista J.R., Richardson P.;
RT "Complete sequence of Rubrobacter xylanophilus DSM 9941.";
RL Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000386; ABG06032.1; -; Genomic_DNA.
DR AlphaFoldDB; Q1ARE6; -.
DR STRING; 266117.Rxyl_3125; -.
DR KEGG; rxy:Rxyl_3125; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_11; -.
DR PhylomeDB; Q1ARE6; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000006637; 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:UP000006637};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ABG06032.1}.
FT DOMAIN 14..128
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 199..331
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 391..538
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 564 AA; 61106 MW; 78E755FC96E7C4D2 CRC64;
MENIAYKVEY KPRTGSEAMC EALLDEGVEY LFGYPGGAIM PFYDALPDYP LRHVLVRHEQ
AAAHAADGYA RATGRVGVCV ATSGPGATNL VTGLATAQMD SVPVVAITGQ VGRGAMGKDS
FQETNVMGMT LPFTKHSFLV EDPEELYETM RRAFAIARSG RPGPVLVDVP KDVQFAECGG
DGYRALREAP PPVSSPALEA AALLLKKARR PIIVAGHGVI LSGAERELIA LAERTGAPVV
TTLLGISAIP QDHPLYIGWP GMHGQASVNR AIDRSDLLFA VGMRFDDRIT GDPSRFAPNA
RVVHIDIDPS ELGKVIKPAV GIAADARAAL RGVLRHIGRP QDNCAAWRAE IAESQRPERE
RAERARPEYG PIRIMDAIKA AAGEEVRLVT DVGQHQMWAA QFFRFTKRNS HITSGGLGTM
GFALPAAMGV KLGCPEDPVW VVAGDGGFQM NLQELATIRD LGLDIKVAVL NNGYLGMVRQ
WQQFFHNRRY SETPITGPDY EHLARAYGIA GRTVRPGDDV EEAVRWAQRT PGCVVLDFHI
DPEANVYPMI PSGMSVAEMI EEDA
//
