ID S5XW28_PARAH Unreviewed; 584 AA.
AC S5XW28;
DT 16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2013, sequence version 1.
DT 27-MAR-2024, entry version 51.
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=JCM7686_2429 {ECO:0000313|EMBL:AGT09497.1};
OS Paracoccus aminophilus JCM 7686.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Paracoccus.
OX NCBI_TaxID=1367847 {ECO:0000313|EMBL:AGT09497.1, ECO:0000313|Proteomes:UP000015480};
RN [1] {ECO:0000313|EMBL:AGT09497.1, ECO:0000313|Proteomes:UP000015480}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 7686 {ECO:0000313|EMBL:AGT09497.1};
RX PubMed=24517536; DOI=10.1186/1471-2164-15-124;
RA Dziewit L., Czarnecki J., Wibberg D., Radlinska M., Mrozek P., Szymczak M.,
RA Schluter A., Puhler A., Bartosik D.;
RT "Architecture and functions of a multipartite genome of the methylotrophic
RT bacterium Paracoccus aminophilus JCM 7686, containing primary and secondary
RT chromids.";
RL BMC Genomics 15:124-124(2014).
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; CP006650; AGT09497.1; -; Genomic_DNA.
DR RefSeq; WP_020951135.1; NC_022041.1.
DR AlphaFoldDB; S5XW28; -.
DR STRING; 1367847.JCM7686_2429; -.
DR KEGG; pami:JCM7686_2429; -.
DR PATRIC; fig|1367847.3.peg.2430; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_5; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000015480; 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:UP000015480};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 5..120
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 195..332
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 397..544
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 584 AA; 63920 MW; 62AAFF286210158C CRC64;
MSRSMTGARM VIEALRDQGV DTVFGYPGGA VLPIYDEIFQ QNDIQHILVR HEQGAVHMAE
GYARTTGKPG VVLVTSGPGA TNAVTGLTDA LMDSIPIVVL TGQVPTFLIG TDGFQEADTI
GITRPCTKHN WLVKDTDQLS QTIHRAFHVA TTGRPGPVLI DIPKDVQFAT GEYVGPKGMD
LASYQPAKKG DLDQITKLVE LMEKAERPIF YTGGGVINSG PAASQLLREL VEATGFPITS
TLMGLGSYPA TGKAWLGMLG MHGLYEANMA MHDCDLMINL GARFDDRITG RVADFSPGSV
KAHVDIDPSS INKIIRVDVP IVGDVGHVLE DLLKIWKSRG RKTNSAAVQQ WWVQIEQWRA
RNCLAYKGSD QVIKPQYALE RLHELTKHRK PYISTEVGQH QMWAAQYLHF DDPNHWMTSG
GLGTMGYGLP ASIGAQVAHP DALVINVAGD ASWLMNMQEM GTAIQFRAPV KQFILNNERL
GMVRQWQQLL HGERYSQSWS DSLPDFVKLA EAFGCKGRMV SDPAELDEAI QEMLDYDGPY
ILDVLIEKHE NCLPMIPSGK PHNEMILSEE ATEGAIVGAG GALV
//
