ID S9W2Q7_SCHCR Unreviewed; 673 AA.
AC S9W2Q7;
DT 16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2013, sequence version 1.
DT 24-JAN-2024, entry version 53.
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=SPOG_04204 {ECO:0000313|EMBL:EPY54313.1};
OS Schizosaccharomyces cryophilus (strain OY26 / ATCC MYA-4695 / CBS 11777 /
OS NBRC 106824 / NRRL Y48691) (Fission yeast).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Taphrinomycotina;
OC Schizosaccharomycetes; Schizosaccharomycetales; Schizosaccharomycetaceae;
OC Schizosaccharomyces.
OX NCBI_TaxID=653667 {ECO:0000313|EMBL:EPY54313.1, ECO:0000313|Proteomes:UP000015464};
RN [1] {ECO:0000313|EMBL:EPY54313.1, ECO:0000313|Proteomes:UP000015464}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OY26 / ATCC MYA-4695 / CBS 11777 / NBRC 106824 / NRRL Y48691
RC {ECO:0000313|Proteomes:UP000015464};
RX PubMed=21511999; DOI=10.1126/science.1203357;
RA Rhind N., Chen Z., Yassour M., Thompson D.A., Haas B.J., Habib N.,
RA Wapinski I., Roy S., Lin M.F., Heiman D.I., Young S.K., Furuya K., Guo Y.,
RA Pidoux A., Chen H.M., Robbertse B., Goldberg J.M., Aoki K., Bayne E.H.,
RA Berlin A.M., Desjardins C.A., Dobbs E., Dukaj L., Fan L., FitzGerald M.G.,
RA French C., Gujja S., Hansen K., Keifenheim D., Levin J.Z., Mosher R.A.,
RA Mueller C.A., Pfiffner J., Priest M., Russ C., Smialowska A., Swoboda P.,
RA Sykes S.M., Vaughn M., Vengrova S., Yoder R., Zeng Q., Allshire R.,
RA Baulcombe D., Birren B.W., Brown W., Ekwall K., Kellis M., Leatherwood J.,
RA Levin H., Margalit H., Martienssen R., Nieduszynski C.A., Spatafora J.W.,
RA Friedman N., Dalgaard J.Z., Baumann P., Niki H., Regev A., Nusbaum C.;
RT "Comparative functional genomics of the fission yeasts.";
RL Science 332:930-936(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; KE546988; EPY54313.1; -; Genomic_DNA.
DR RefSeq; XP_013021919.1; XM_013166465.1.
DR AlphaFoldDB; S9W2Q7; -.
DR STRING; 653667.S9W2Q7; -.
DR EnsemblFungi; EPY54313; EPY54313; SPOG_04204.
DR GeneID; 25038517; -.
DR eggNOG; KOG4166; Eukaryota.
DR HOGENOM; CLU_013748_1_2_1; -.
DR OMA; CFGTSGP; -.
DR OrthoDB; 1831659at2759; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000015464; Unassembled WGS sequence.
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:SF169; 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 Reference proteome {ECO:0000313|Proteomes:UP000015464};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 92..204
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 289..432
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 498..645
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 673 AA; 73623 MW; 326C1D2B370B89AD CRC64;
MTALAPLKNL RAKAAFSSCG REILWSNGFC KGLYNTKLLR RSIKTVPSNS KHANFRENAR
TNSTATATAN ATATTASQAN GIKYDTSYVG KTGGEIFHDM MLKNNVKHVF GYPGGAILPV
FDAIYRSPHF EFILPRHEQG AGHAAQAYSR VTRLPGVVLV TSGPGATNVV TPMADALMDG
TPLVVFSGQV ATSSIGSDAF QEADMIGISR SCTKWNVMVK DIADLPRRID EAFEIATSGR
PGPVLVDLPK DVTAGVLRDP IPVTSSVPSL NRRMREVLEF GNKNVEAKIQ RVSTLLQRAK
KPVIFSGQGV LYNSESPKLL REFSERLQIP VTTSLLGLGA YDERSDLSLH MLGMHGSGYA
NMAMQEADMI IALGARFDDR VTGNIALFAP EAKRAGAEER GGIIHFDISP KNIGKVVQPT
EAIEGDLYES LKLLNAAVPK VDLDSRVEWL SQIQAWKKRF PFAYTPSAPN ELAKPQEVIQ
ELDKQTVNIK DKVTITTGVG AHQMWAATFY RWTKPRALVT SGGLGTMGYG LPAAIGASVA
KPDEIVIDID GDASFSMTGM ELATVRQHDI PVKVLLLNNE EQGMVTQWQN LFYEKRYSHT
HQKNPNFTKL AESMGLKALR VEKKEDLASN MKEFLETKGP VLMEVLVAKK EHVYPFVPGG
KALHQFIVHK SLS
//