ID Q8ZL15_SALTY Unreviewed; 562 AA.
AC Q8ZL15;
DT 01-MAR-2002, integrated into UniProtKB/TrEMBL.
DT 01-MAR-2002, sequence version 1.
DT 27-MAR-2024, entry version 128.
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:AAL22654.1};
GN OrderedLocusNames=STM3796 {ECO:0000313|EMBL:AAL22654.1};
OS Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Salmonella.
OX NCBI_TaxID=99287 {ECO:0000313|EMBL:AAL22654.1, ECO:0000313|Proteomes:UP000001014};
RN [1] {ECO:0000313|EMBL:AAL22654.1, ECO:0000313|Proteomes:UP000001014}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LT2 / SGSC1412 / ATCC 700720
RC {ECO:0000313|Proteomes:UP000001014};
RX PubMed=11677609; DOI=10.1038/35101614;
RA McClelland M., Sanderson K.E., Spieth J., Clifton S.W., Latreille P.,
RA Courtney L., Porwollik S., Ali J., Dante M., Du F., Hou S., Layman D.,
RA Leonard S., Nguyen C., Scott K., Holmes A., Grewal N., Mulvaney E.,
RA Ryan E., Sun H., Florea L., Miller W., Stoneking T., Nhan M., Waterston R.,
RA Wilson R.K.;
RT "Complete genome sequence of Salmonella enterica serovar Typhimurium LT2.";
RL Nature 413:852-856(2001).
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AE006468; AAL22654.1; -; Genomic_DNA.
DR RefSeq; NP_462695.1; NC_003197.2.
DR RefSeq; WP_000168439.1; NC_003197.2.
DR AlphaFoldDB; Q8ZL15; -.
DR STRING; 99287.STM3796; -.
DR PaxDb; 99287-STM3796; -.
DR GeneID; 1255320; -.
DR KEGG; stm:STM3796; -.
DR PATRIC; fig|99287.12.peg.4016; -.
DR HOGENOM; CLU_013748_1_2_6; -.
DR OMA; WREPRSF; -.
DR PhylomeDB; Q8ZL15; -.
DR BioCyc; SENT99287:STM3796-MONOMER; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000001014; Chromosome.
DR GO; GO:0005948; C:acetolactate synthase complex; IBA:GO_Central.
DR GO; GO:0003984; F:acetolactate synthase activity; IBA:GO_Central.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IBA:GO_Central.
DR GO; GO:0016829; F:lyase activity; IEA:UniProtKB-KW.
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; IBA:GO_Central.
DR GO; GO:0009099; P:valine biosynthetic process; IBA:GO_Central.
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:SF171; ACETOLACTATE SYNTHASE ISOZYME 1 LARGE SUBUNIT; 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}; Lyase {ECO:0000313|EMBL:AAL22654.1};
KW Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Reference proteome {ECO:0000313|Proteomes:UP000001014};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 14..128
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 201..334
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 390..538
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 562 AA; 60224 MW; 0E7CED128DD52E17 CRC64;
MASSGTTSTP QRFTGAEFIV HFLERQGIRI VTGIPGGSIL PVYDALSQST QIRHILARHE
QGAGFIAQGM ARTEGKPAVC MACSGPGATN LVTAIADARL DSIPLICITG QVPASMIGTD
AFQEVDTYGI SIPITKHNYL VRNINELPQV MSDAFRLAQS GRPGPVWIDV PKDVQTATIE
LDALPSPAEK SPPPEFSAES IREAAAMINA AKRPVLYLGG GVINAPTRVR ELAEKAQLPT
TMTLMALGML PKAHPLSLGM LGMHGARSTN FILQEADLLI VLGARFDDRA IGKTEQFCPN
AKIIHVDIDR AELGKIKQPH VAIQADVDDV LAQLIPHIEA QPREAWHQLV ADLQQEFPCS
IPQENNPLSH YGLINAVAAC VDDNAIITTD VGQHQMWTAQ AYPLNRPRQW LTSGGLGTMG
FGLPAAIGAA LANPGNKVLC FSGDGSLMMN IQEMATASEN QLDVKIILMN NDALGLVHQQ
QSLFYKQGVF AATYPGSINF MQIAAGFGLD TCDLNNEADP QAALQAIIRR PGPALIHVRI
DAEEKVYPMV PPGAANTEMV GE
//
