ID A0A0M2H4Z9_9MICO Unreviewed; 600 AA.
AC A0A0M2H4Z9;
DT 11-NOV-2015, integrated into UniProtKB/TrEMBL.
DT 11-NOV-2015, sequence version 1.
DT 27-MAR-2024, entry version 39.
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=ilvB1 {ECO:0000313|EMBL:KJL38983.1};
GN ORFNames=RS81_02395 {ECO:0000313|EMBL:KJL38983.1};
OS Microbacterium ketosireducens.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Microbacteriaceae;
OC Microbacterium.
OX NCBI_TaxID=92835 {ECO:0000313|EMBL:KJL38983.1, ECO:0000313|Proteomes:UP000033956};
RN [1] {ECO:0000313|EMBL:KJL38983.1, ECO:0000313|Proteomes:UP000033956}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 12510 {ECO:0000313|EMBL:KJL38983.1,
RC ECO:0000313|Proteomes:UP000033956};
RA Corretto E.;
RT "Draft genome sequences of ten Microbacterium spp. with emphasis on heavy
RT metal contaminated environments.";
RL Submitted (FEB-2015) 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KJL38983.1}.
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DR EMBL; JYIZ01000053; KJL38983.1; -; Genomic_DNA.
DR RefSeq; WP_045276301.1; NZ_JYIZ01000053.1.
DR AlphaFoldDB; A0A0M2H4Z9; -.
DR STRING; 92835.RS81_02395; -.
DR PATRIC; fig|92835.4.peg.2427; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000033956; Unassembled WGS sequence.
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:UP000033956};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:KJL38983.1}.
FT DOMAIN 23..138
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 212..346
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 410..565
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 600 AA; 63632 MW; 607661C54A8365C6 CRC64;
MPAETAAALP RPPARTASAP VLTGAQAVVR SLELLGVTDV FGLPGGAILP VYDPLMDSTD
LRHILVRHEQ GAGHAAEGYA AASNKVGVAI ATSGPGATNL VTAIADAYMD SVPIVCITGQ
VFSNLMGTDA FQEADIVGIT MPITKHSFLV KDAAEIPAAI AAAFEIAGTG RPGPVLVDIT
KDAQQAEVPF VWPPKIDLPG YRPVTKAHGK QIQAAAQLIA EAKKPVLYVG GGVIRAQASP
ELLQLAEATG APVVTTLMAR GAFPDSHPQH LGMPGMHGTV PAVLALQEAD LLVSLGARFD
DRVTGKAALF APHAQVVHVD IDPAEISKIR TADVPIVGDL KEVLVDLEVA FRAASAEAKP
DTAEWWSFLD GLRDEFPLGY TQPTDGLMSP QYVIQRIGEL TGPEGVYAAG VGQHQMWAAQ
FIKYERPNAW LNSGGAGTMG YSVPAAMGAK VAEPDRHVWA IDGDGCFQMT NQELATCAIN
NIPIKVAIIN NSSLGMVRQW QTLFYDGRYS HTNLNTGHGT VRIPDFVKLA EAYGCLAIRV
EKEEDVDAAI TKALETNDRP VVIDFVVSAD AMVWPMVPQG VSNSFVQYAR DHAPAFEQED
//
