ID A0A1S4C1K3_TOBAC Unreviewed; 721 AA.
AC A0A1S4C1K3;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 36.
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=LOC107814192 {ECO:0000313|RefSeq:XP_016495041.1};
OS Nicotiana tabacum (Common tobacco).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC Nicotiana.
OX NCBI_TaxID=4097 {ECO:0000313|Proteomes:UP000084051, ECO:0000313|RefSeq:XP_016495041.1};
RN [1] {ECO:0000313|Proteomes:UP000084051}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. TN90 {ECO:0000313|Proteomes:UP000084051};
RX PubMed=24807620; DOI=10.1038/ncomms4833;
RA Sierro N., Battey J.N., Ouadi S., Bakaher N., Bovet L., Willig A.,
RA Goepfert S., Peitsch M.C., Ivanov N.V.;
RT "The tobacco genome sequence and its comparison with those of tomato and
RT potato.";
RL Nat. Commun. 5:3833-3833(2014).
RN [2] {ECO:0000313|RefSeq:XP_016495041.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
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 RefSeq; XP_016495041.1; XM_016639555.1.
DR STRING; 4097.A0A1S4C1K3; -.
DR PaxDb; 4097-A0A1S4C1K3; -.
DR GeneID; 107814192; -.
DR KEGG; nta:107814192; -.
DR OMA; RMNCGEL; -.
DR OrthoDB; 1831659at2759; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000084051; Unplaced.
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: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:0009635; P:response to herbicide; IEA:UniProtKB-KW.
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: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};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Herbicide resistance {ECO:0000256|ARBA:ARBA00022646};
KW Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Reference proteome {ECO:0000313|Proteomes:UP000084051};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 149..260
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 340..473
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 535..690
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 721 AA; 79122 MW; 7862666A8513DE88 CRC64;
MDLRGSERTP LRSDLKASNP KCLRVEGGIR PYLVQDPSAK YADGDFFKNG RDIRIGVDGY
SLCSHVLNLI LNQPHSICIT LLPVSSLPAL PFNXKTTPPP LHLTHTHIHI HSQRRRFTIS
NVISTNQKVS QTEKTETFVS RFAPDEPRKG SDVLVEALER EGVTDVFAYP GGASMEIHQA
LTRSSIIRNV LPRHEQGGVF AAEGYARATG FPGVCIATSG PGATNLVSGL ADALLDSVPI
VAITGQVPRR MIGTDAFQET PIVEVTRSIT KHNYLVMDVE DIPRVVREAF FLARSGRPGP
ILIDVPKDIQ QQLVIPDWDQ PMRLPGYMSR LPKLPNEMLL EQIVRLISES KKPVLYVGGG
CSQSSEDLRR FVELTGIPVA STLMGLGAFP TGDELSLSML GMHGTVYANY AVDSSDLLLA
FGVRFDDRVT GKLEAFASRA KIVHIDIDSA EIGKNKQPHV SICADIKLAL QGLNSILESK
EGKLKLDFSA WRQELTEQKV KHPLNFKTFG DAIPPQYAIQ VLDELTNGNA IISTGVGQHQ
MWAAQYYKYR KPRQWLTSGG LGAMGFGLPA AIGAAVGRPD EVVVDIDGDG SFIMNVQELA
TIKVENLPVK IMLLNNQHLG MVVQWEDRFY KANRAHTYLG NPSNEAEIFP NMLKFAEACG
VPAARVTHRD DLRAAIQKML DTPGPYLLDV IVPHQEHVLP MIPSGGAFKD VITEGDGRSS
Y
//
