ID G2ZCR7_LISIP Unreviewed; 573 AA.
AC G2ZCR7;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 71.
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 Name=ilvB {ECO:0000313|EMBL:CBW86451.1};
GN OrderedLocusNames=LIV_1965 {ECO:0000313|EMBL:CBW86451.1};
OS Listeria ivanovii (strain ATCC BAA-678 / PAM 55).
OC Bacteria; Bacillota; Bacilli; Bacillales; Listeriaceae; Listeria.
OX NCBI_TaxID=881621 {ECO:0000313|EMBL:CBW86451.1, ECO:0000313|Proteomes:UP000001286};
RN [1] {ECO:0000313|EMBL:CBW86451.1, ECO:0000313|Proteomes:UP000001286}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-678 / PAM 55 {ECO:0000313|Proteomes:UP000001286};
RX PubMed=22072644; DOI=10.1128/JB.06120-11;
RA Buchrieser C., Rusniok C., Garrido P., Hain T., Scortti M., Lampidis R.,
RA Karst U., Chakraborty T., Cossart P., Kreft J., Vazquez-Boland J.A.,
RA Goebel W., Glaser P.;
RT "Complete genome sequence of the animal pathogen Listeria ivanovii, which
RT provides insights into host specificities and evolution of the genus
RT Listeria.";
RL J. Bacteriol. 193:6787-6788(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; FR687253; CBW86451.1; -; Genomic_DNA.
DR RefSeq; WP_014093322.1; NC_016011.1.
DR AlphaFoldDB; G2ZCR7; -.
DR GeneID; 57076972; -.
DR KEGG; liv:LIV_1965; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_9; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000001286; 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 18..130
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 206..341
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 400..548
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 573 AA; 62683 MW; C23DD40C8E8BCCCC CRC64;
MIDTTKKNEK ATEKISKSGA DLLIDSLKKQ HVEMIFGYPG GAVLPLYDAF YDCDIPHILT
RHEQGAIHAA EGYARVTGKP GVVVVTSGPG ATNVLTGIAD AMSDSIPLVI FTGQVHTPGI
GKDAFQEADM IGLTIPITKY NYQVRDVRDL PKIVNEAFHI ANTGRKGPVV VDIPKDMGIT
QTDAVRPDTI DLPGYQPTYS PNPLQLEKLM QALSAASKPL ILAGAGVNHA RATAELLEFA
ERYQIPIVNT LLGLGSFPQS HDLFLGMGGM HGSYAANMAL TDCDLLINFG SRFDDRLASA
PKEFAPKATI AHIDIDPAEI GKIIETQIPI VADINETLTQ LLQMELPVYP DTSHWYKLNM
TRKNRHPFNF DKTKKAEIKP QRVIELIGEI TQGEALVSTD VGQHQMWTAQ FYPFQFDHQI
ITSGGLGTMG FGFPAAVGAQ LAFPDKTVVA IVGDGGFQMT NQELAILNDY QINVKTVIIN
NGSLGMVRQW QEKFHGERYS HSIFTSQPDF VKLSEAYGVK GVRLTNPETL EKDLRKAFSH
PGPIVIDVHV AKNELVLPMV PSGKPNHQME GVE
//
