ID A0A172TRN3_9BACT Unreviewed; 581 AA.
AC A0A172TRN3;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 24-JAN-2024, entry version 38.
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=SY85_03440 {ECO:0000313|EMBL:ANE49690.1};
OS Flavisolibacter tropicus.
OC Bacteria; Bacteroidota; Chitinophagia; Chitinophagales; Chitinophagaceae;
OC Flavisolibacter.
OX NCBI_TaxID=1492898 {ECO:0000313|EMBL:ANE49690.1, ECO:0000313|Proteomes:UP000077177};
RN [1] {ECO:0000313|Proteomes:UP000077177}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LCS9 {ECO:0000313|Proteomes:UP000077177};
RA Kim M.K., Srinivasan S., Lee J.-J.;
RT "Flavisolibacter sp./LCS9/ whole genome sequencing.";
RL Submitted (JAN-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ANE49690.1, ECO:0000313|Proteomes:UP000077177}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LCS9 {ECO:0000313|EMBL:ANE49690.1,
RC ECO:0000313|Proteomes:UP000077177};
RX PubMed=27259556; DOI=10.1099/ijsem.0.001207;
RA Lee J.J., Kang M.S., Kim G.S., Lee C.S., Lim S., Lee J., Roh S.H., Kang H.,
RA Ha J.M., Bae S., Jung H.Y., Kim M.K.;
RT "Flavisolibacter tropicus sp. nov., isolated from tropical soil.";
RL Int. J. Syst. Evol. Microbiol. 66:3413-3419(2016).
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; CP011390; ANE49690.1; -; Genomic_DNA.
DR RefSeq; WP_066401824.1; NZ_CP011390.1.
DR AlphaFoldDB; A0A172TRN3; -.
DR STRING; 1492898.SY85_03440; -.
DR KEGG; fla:SY85_03440; -.
DR PATRIC; fig|1492898.3.peg.749; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000077177; 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, 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.
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}; 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:UP000077177};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:ANE49690.1}.
FT DOMAIN 23..138
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 214..347
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 410..557
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 581 AA; 63636 MW; 187827B6E5C10401 CRC64;
MQTFDTVKAG SLEQVSLKTE SISGSEAVLD AFLHEGVTTI FGYPGGAIMP IYDALYDYQD
KLEHILVRHE QGAIHAAQGF ARTSGKTGVV FATSGPGATN LVTGLADAMI DSTPLVCITG
QVFAHLLGTD AFQETDIINI TTPITKWNYQ ITDATEIPTV LAKAFFIACS GRPGPVLIDI
SKNAQLQKFD YKGYQKCEFI RSYRPKPFVR QEYVEQAADL INKAKKPLVV FGQGVILGKA
EKEFQDFIEK AGLPAAWTIM GLSALPSGHP LNVGMLGMHG NYAPNVLTNE CDVLIAVGMR
FDDRVTGRLD KYAKQAKIIH LDIDPAEIDK NVKTTVSVWG DCKETLPLLI QLLNHNQHPE
WLQTFKALEQ KEIDACIQNE LHPTGEQMTM GEVIDVLNEL TEGKAVIVTD VGQHQMVACR
YAQFNQSKSN ITSGGLGTMG FALPAAIGAK FGAPNQTVIA IMGDGGVQMT IQELGTIMQS
QVDVKLLILN NQFLGMVRQW QELFHGKRYS FVDIESPDFV QVAKGYGIPG QRVTARENLK
EALKAMLEYK GAYLLEVMVG KENNVFPMVE AGTSVSEIRL K
//