ID E6UGW7_RUMA7 Unreviewed; 565 AA.
AC E6UGW7;
DT 08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT 08-MAR-2011, sequence version 1.
DT 27-MAR-2024, entry version 80.
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=Rumal_0605 {ECO:0000313|EMBL:ADU21154.1};
OS Ruminococcus albus (strain ATCC 27210 / DSM 20455 / JCM 14654 / NCDO 2250 /
OS 7).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Oscillospiraceae;
OC Ruminococcus.
OX NCBI_TaxID=697329 {ECO:0000313|EMBL:ADU21154.1, ECO:0000313|Proteomes:UP000006919};
RN [1] {ECO:0000313|EMBL:ADU21154.1, ECO:0000313|Proteomes:UP000006919}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27210 / DSM 20455 / JCM 14654 / NCDO 2250 / 7
RC {ECO:0000313|Proteomes:UP000006919};
RX PubMed=21914885; DOI=10.1128/JB.05621-11;
RA Suen G., Stevenson D.M., Bruce D.C., Chertkov O., Copeland A., Cheng J.F.,
RA Detter C., Detter J.C., Goodwin L.A., Han C.S., Hauser L.J., Ivanova N.N.,
RA Kyrpides N.C., Land M.L., Lapidus A., Lucas S., Ovchinnikova G.,
RA Pitluck S., Tapia R., Woyke T., Boyum J., Mead D., Weimer P.J.;
RT "Complete genome of the cellulolytic ruminal bacterium Ruminococcus albus
RT 7.";
RL J. Bacteriol. 193:5574-5575(2011).
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; CP002403; ADU21154.1; -; Genomic_DNA.
DR RefSeq; WP_013497345.1; NZ_JHYT01000010.1.
DR AlphaFoldDB; E6UGW7; -.
DR STRING; 697329.Rumal_0605; -.
DR KEGG; ral:Rumal_0605; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_9; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000006919; 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 Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 4..119
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 192..327
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 386..536
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 565 AA; 61792 MW; C4517B2A4CCC331D CRC64;
MQLNGSDVIV ECLVEQGVDT IFGYPGGAVL NIYDALYKNS DRIRHIITAH EQAACHAADG
YSRTTGKTGV VLATSGPGAT NLVTGIATAY MDSVPMVAIT GNVTRNLLGL DSFQEVDICG
ITMPVTKHNF IVKDPEKLPD TIREAFRIAN EGRKGPVLID IPKDITAAMI EYEKKEPLKS
EYKDPDTFEA EIAEAAELIK KCERPFIYAG GGVVAADAVD EMKEFVRKCN APVALSLMGQ
CAYDNTSENY IGMLGMHGTK AAAKAVSGCD LMIVLGSRFS DRVLCNPNTF AKNAHIIHIE
IDPAEIGKNI EVYHHVTGDV KKAIARLNEL LPDMTHPDWF EEVMGWKKKY ALRMVPIESE
DEVLPDQVIS TLDRLTDGKA IISTEVGQHQ MWAAQYYDFK CARSFASSGG LGTMGYGLGA
AIGCKIGNPD RTVVNIAGDG SFFMNCNELS SLAKHKLPLI ELVFENDVLG MVRQWQRLFY
GKRFSQTNIE RGTDFMKLAD AFGIEGVRIT KKDEIEPQLK KALEYAAAGR PVLVDVVINK
DINVLPMVPA GADVSQPIME IDLES
//
