ID J1AR13_9EURY Unreviewed; 556 AA.
AC J1AR13;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 24-JAN-2024, entry version 48.
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=Metli_1457 {ECO:0000313|EMBL:EJG07408.1};
OS Methanofollis liminatans DSM 4140.
OC Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC Methanomicrobiales; Methanomicrobiaceae; Methanofollis.
OX NCBI_TaxID=28892 {ECO:0000313|EMBL:EJG07408.1};
RN [1] {ECO:0000313|EMBL:EJG07408.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 4140 {ECO:0000313|EMBL:EJG07408.1};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Lucas S., Han J., Lapidus A., Bruce D., Goodwin L., Pitluck S., Peters L.,
RA Kyrpides N., Mavromatis K., Ivanova N., Mikhailova N., Lu M., Detter J.C.,
RA Tapia R., Han C., Land M., Hauser L., Markowitz V., Cheng J.-F.,
RA Hugenholtz P., Woyke T., Wu D., Spring S., Schuler E., Brambilla E.,
RA Klenk H.-P., Eisen J.A.;
RT "The complete genome of Methanofollis liminatans DSM 4140.";
RL Submitted (AUG-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|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; CM001555; EJG07408.1; -; Genomic_DNA.
DR RefSeq; WP_004039166.1; NZ_CM001555.1.
DR AlphaFoldDB; J1AR13; -.
DR STRING; 28892.Metli_1457; -.
DR PATRIC; fig|28892.9.peg.1575; -.
DR HOGENOM; CLU_013748_1_2_2; -.
DR OrthoDB; 6837at2157; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000005095; 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:0044272; P:sulfur compound biosynthetic process; IEA:UniProt.
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 Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 3..116
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 192..326
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 383..529
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 556 AA; 60049 MW; 7323C0005B45C613 CRC64;
MKTGARILLE GLQREGAETI FGYPGGSVLP IYDELYDSEI RHILVRHEQA AAHAADGYAR
ASGRVGVCLA TSGPGACNLV TGIATAYMDS VPMVAITGQV PTSMLGNDAF QESDITGITM
PITKHNYLVK HAADLPQVVR DAFYIAGTGR QGPVLIDIPK DVMTTQLEEV PPVGTARLRG
YQPTYEGHTL QIEKAVGLIA EAARPVLYVG GGVIAAGASE EVARLAELML IPITTTLMGL
GAIPCDHPLS LGMIGMHGTE AANYAVTECD LLIAVGVRFD DRVTGKIEAF APNARVIHID
IDPAEIGKNK PVDVPIVGDA KSVLQRILHR LAKKEGRDGW LDRIHRWKEA AAGGAESDAL
GPAYILAEMS DLLGENGIIV TEVGQNQMWA AQHYCFRRPR TWISSGGLGT MGYGFPAAIG
AHFARPDETV VDVAGDGSFQ MNIQELGTVA QYHIPVKVVI LNNMYLGMVR QWQELFYDRR
YSYTELPPVD FVGIARAYGV DGMRVEEKAD VRAALTAAFE SDGPFVLDFR IEREANVFPM
VPAGAAINEM IGRRQR
//