ID A0A0K1XFG8_9GAMM Unreviewed; 574 AA.
AC A0A0K1XFG8;
DT 11-NOV-2015, integrated into UniProtKB/TrEMBL.
DT 11-NOV-2015, sequence version 1.
DT 24-JAN-2024, entry version 40.
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 ORFNames=AKN88_09430 {ECO:0000313|EMBL:AKX60125.1};
OS Thiopseudomonas alkaliphila.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Thiopseudomonas.
OX NCBI_TaxID=1697053 {ECO:0000313|EMBL:AKX60125.1, ECO:0000313|Proteomes:UP000063953};
RN [1] {ECO:0000313|EMBL:AKX60125.1, ECO:0000313|Proteomes:UP000063953}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=E5571 {ECO:0000313|EMBL:AKX60125.1,
RC ECO:0000313|Proteomes:UP000063953};
RX PubMed=26679585;
RA Lauer A.C., Nicholson A.C., Humrighouse B.W., Emery B., Drobish A.,
RA Juieng P., Loparev V., McQuiston J.R.;
RT "Genome Sequences of Oblitimonas alkaliphila gen. nov. sp. nov. (Proposed),
RT a Novel Bacterium of the Pseudomonadaceae Family.";
RL Genome Announc. 3:e01474-15(2015).
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; CP012365; AKX60125.1; -; Genomic_DNA.
DR RefSeq; WP_053101426.1; NZ_JACANE010000002.1.
DR AlphaFoldDB; A0A0K1XFG8; -.
DR STRING; 1697053.AKN87_11950; -.
DR GeneID; 82261157; -.
DR KEGG; pbb:AKN87_11950; -.
DR PATRIC; fig|1697053.3.peg.2418; -.
DR OrthoDB; 9785953at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000063953; 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:UP000063953};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AKX60125.1}.
FT DOMAIN 5..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 196..330
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 396..545
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 574 AA; 62956 MW; 751A5CD63B1FD7C7 CRC64;
MELLSGAEMV VRSLRDEGVK YIYGYPGGAL LHVYDALFKE PELTHILVRH EQAATHMADA
YGRATGKAGV VLVTSGPGAT NAVTGIATAY MDSIPMVVIA GQVASDMVGT DAFQETDMIG
ISRPIVKHSF IVKDPAEIPE IIKKAFYIAE SGRPGPVVID IPKDMTNPVD KFEYSYPKKA
KLRSYAPATR GHSGQIRKAV EMLLSAKRPI LYSGGGVILG NGSGPLTELA KQLNLPVTNT
LMGLGGYPGT DRQFLGMLGM HGSYLANVAM HHSDVILAVG ARFDDRVING AAKFCPNAKI
IHVDIDPASI SKLIKADIPI VGPVDNVLTE MLSVLKELGN TQDQQAMASW WKQIDEWRGN
GRLFPFDEGD GVIIKPQRAI EVLCEVTKGD AFITSDVGQH QMFAAQHYRF NKPNRWINSG
GLGTMGFGLP AAMGVKLNFP DEDVACVTGE GSIQMNIQEL STCLQYDLPV KIINLNNGVL
GMVRQWQDMQ YNSRYSHSYM ESLPDFMKLA EAYGHVGMTV SKLDDLKPAM EEAFAMKNRL
VFMDIYVDTS EHVYPMQIRD GAMRDMWLSK TERT
//