ID G8SL46_ACTS5 Unreviewed; 609 AA.
AC G8SL46;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 27-MAR-2024, entry version 67.
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:AEV88251.1};
GN OrderedLocusNames=ACPL_7371 {ECO:0000313|EMBL:AEV88251.1};
OS Actinoplanes sp. (strain ATCC 31044 / CBS 674.73 / SE50/110).
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Actinoplanes.
OX NCBI_TaxID=134676 {ECO:0000313|EMBL:AEV88251.1, ECO:0000313|Proteomes:UP000005440};
RN [1] {ECO:0000313|Proteomes:UP000005440}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 31044 / CBS 674.73 / SE50/110
RC {ECO:0000313|Proteomes:UP000005440};
RA Schwientek P., Szczepanowski R., Kalinowski J., Klein A., Selber K.,
RA Wehmeier U.F., Stoye J., Puehler A.;
RT "The complete genome sequence of the acarbose producer Actinoplanes sp.
RT SE50/110.";
RL Submitted (DEC-2011) 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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP003170; AEV88251.1; -; Genomic_DNA.
DR RefSeq; WP_014694312.1; NZ_LT827010.1.
DR AlphaFoldDB; G8SL46; -.
DR STRING; 134676.ACPL_7371; -.
DR KEGG; ase:ACPL_7371; -.
DR PATRIC; fig|134676.3.peg.7288; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_11; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000005440; 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:UP000005440};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AEV88251.1}.
FT DOMAIN 35..149
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 223..358
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 420..573
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 609 AA; 64629 MW; A5D635EFA355F0DE CRC64;
MTRPTPESLA HRATPATVAA AVNTAPASTA PVATTGAGAL VRSLEALGVE VAFGIPGGAI
LPAYDPLFDS KVRHILVRHE QGAGHAATGY AQATGKVGVC IATSGPGATN LVTPIADAYM
DSVPIVAITG QVARPSIGTD AFQEADIQGI TLPITKHNFL VQTAEELPRI VAEAFHLAAT
GRPGPVLVDI PKDVLQQQTT FTWPPTLDLP GYRPTLHPHG KQIREAARLI AQAKRPVLYV
GGGVLKAGAT DGLRKLAELT GMPVVTTLMA LGAFPDSHPQ HLGMPGMHGT VPAVYALQKA
DLLVTLGARF DDRVTGKLDS FAPDAKVVHA DIDPAEIGKN RHADVPIVGD ARHVIDELIA
AVSATAGGVE QYPAWWATLN DIRERYPLGY DEPTDGTLAP QYVIERIGAL VGPDAIYCAG
VGQHQMWASQ FIRYEKPGTW LNSGGAGTMG YAVPAAMGAK VAQPDTQVWA IDGDGCFQMT
NQELATCALE GIPIKVAVIN NGNLGMVRQW QTLFYDGRYS NTELGTHKHR IPDFVKLAEA
LGCIGLRCES KDDVDKVIQQ AMEINDAPVV IDFTVGKDAM VWPMVAAGTS NDEIMFARDV
RPTFEEDDL
//
