ID A5G2E1_ACICJ Unreviewed; 593 AA.
AC A5G2E1;
DT 12-JUN-2007, integrated into UniProtKB/TrEMBL.
DT 12-JUN-2007, sequence version 1.
DT 24-JAN-2024, entry version 95.
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=Acry_2833 {ECO:0000313|EMBL:ABQ32023.1};
OS Acidiphilium cryptum (strain JF-5).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Acetobacteraceae; Acidiphilium.
OX NCBI_TaxID=349163 {ECO:0000313|EMBL:ABQ32023.1, ECO:0000313|Proteomes:UP000000245};
RN [1] {ECO:0000313|EMBL:ABQ32023.1, ECO:0000313|Proteomes:UP000000245}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JF-5 {ECO:0000313|EMBL:ABQ32023.1,
RC ECO:0000313|Proteomes:UP000000245};
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 Sims D., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., Magnuson T., Richardson P.;
RT "Complete sequence of chromosome of Acidiphilium cryptum JF-5.";
RL Submitted (MAY-2007) 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|ARBA:ARBA00000673,
CC 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; CP000697; ABQ32023.1; -; Genomic_DNA.
DR RefSeq; WP_012040348.1; NC_009484.1.
DR AlphaFoldDB; A5G2E1; -.
DR STRING; 349163.Acry_2833; -.
DR KEGG; acr:Acry_2833; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_5; -.
DR OMA; CFGTSGP; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000000245; 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; IPR045229; TPP_enz.
DR InterPro; IPR011766; TPP_enzyme_TPP-bd.
DR NCBIfam; TIGR00118; acolac_lg; 1.
DR PANTHER; PTHR18968:SF13; ACETOLACTATE SYNTHASE, CHLOROPLASTIC; 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.
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}; FAD {ECO:0000256|ARBA:ARBA00022827};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Reference proteome {ECO:0000313|Proteomes:UP000000245};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ABQ32023.1}.
FT DOMAIN 10..124
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 199..336
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 404..550
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 593 AA; 64305 MW; 84897939C20D4B90 CRC64;
MNAVNTTVAS GAETLLRALK AQGVEVIFGY PGGAVLPIYD AIFQQNAIRH ILVRHEQAAV
HAAEGYARST GKVGVVLVTS GPGATNAVTG LVDALMDSIP VVCLTGQVPT HLIGNDAFQE
ADTTGITRQA TKHNYLVKRS DDLARIVHEA FHVARTGRPG PVLIDLPKDI LINPAPYTEA
PEGPHRSYRP RTAPDLTLIA EAVSALKGAK RPIIYTGGGL INSGPESAEL IVQLAKLTGA
PVTSTLMGLG AFPASNPAFL GMLGMHGTYE ANLAMHGCDV MLNIGARFDD RVTGRLNAFA
PHSKKIHIDI DPSNINKNVV VDIAIAADAT EALRALIAAW KQDNSRQDTA ALAEWWRMIE
TWREKDSLRF TQSFEKGAII KPQHAIRRLW EKTQGRETYV TTEVGQHQMW AAQHFRFDKP
NRWMTSGGLG TMGYGLPAAM GVQIAHPDAL VIDIAGEASI LMNIQEMGTL AQYRLPVKVF
ILNNEYMGMV RQWQELLHGG RYSESYSAAL PDFVRLAESF HAVGLRAESI DDLDRVIDEM
LATDRPVIAD IHVDRAENCF PMIPSGAAHN EMLLGPEHES SAAGITDEGL VLV
//