ID A0A076NMI3_9CORY Unreviewed; 621 AA.
AC A0A076NMI3;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 27-MAR-2024, entry version 48.
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:SNV67997.1};
GN ORFNames=CIMIT_05270 {ECO:0000313|EMBL:AIJ33391.1}, SAMEA4535761_01119
GN {ECO:0000313|EMBL:SNV67997.1};
OS Corynebacterium imitans.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales;
OC Corynebacteriaceae; Corynebacterium.
OX NCBI_TaxID=156978 {ECO:0000313|EMBL:AIJ33391.1, ECO:0000313|Proteomes:UP000028780};
RN [1] {ECO:0000313|EMBL:AIJ33391.1, ECO:0000313|Proteomes:UP000028780}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44264 {ECO:0000313|EMBL:AIJ33391.1,
RC ECO:0000313|Proteomes:UP000028780};
RA Mollmann S., Albersmeier A., Ruckert C., Tauch A.;
RT "Complete genome sequence of Corynebacterium imitans DSM 44264, isolated
RT from a five-month-old boy with suspected pharyngeal diphtheria.";
RL Submitted (AUG-2014) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:SNV67997.1, ECO:0000313|Proteomes:UP000215374}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NCTC13015 {ECO:0000313|EMBL:SNV67997.1,
RC ECO:0000313|Proteomes:UP000215374};
RG Pathogen Informatics;
RL Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
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 EMBL; CP009211; AIJ33391.1; -; Genomic_DNA.
DR EMBL; LT906467; SNV67997.1; -; Genomic_DNA.
DR RefSeq; WP_038590112.1; NZ_LT906467.1.
DR AlphaFoldDB; A0A076NMI3; -.
DR STRING; 156978.CIMIT_05270; -.
DR KEGG; cii:CIMIT_05270; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_11; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000028780; Chromosome.
DR Proteomes; UP000215374; Chromosome 1.
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}; FAD {ECO:0000256|ARBA:ARBA00022827};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Reference proteome {ECO:0000313|Proteomes:UP000028780};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AIJ33391.1}.
FT DOMAIN 20..134
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 210..345
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 408..561
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
FT REGION 1..20
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 596..621
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..16
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 621 AA; 66468 MW; CD3EB74750D8420D CRC64;
MAASQEPPTK NSQPIAPERM TGADAVVRSL EELGTRVVFG LPGGAVLPLY DALFAAKKLR
HVLVRHEQGA GHAAEGYAVA SGEVGVCLAT SGPGATNLVT AIADAYLDSV PMIALTGQVG
SPLIGTDAFQ EADIRGITMP ITKHNVMVTD VEDIPRAIAA AHHLATTGRP GPVLVDIPKD
IQAAEFEFSW PPEVDLPGYK PNVKPHNRQI AQAAKMIAAS KRPVLYIGGG VVKAGAHEEL
LAFAERTGVP VVTTLMALGA FPQSHPLYMG MPGMHGSVPA VGALQESDLL IAIGTRFDDR
VTGDTSTFAP HAKTIHADID PAEVGKIREA DVPIVGDAKR VLAQLTEAFR DEKRNAPPSI
SSWIARLNSL KERFPRGYDP QPDGKLSPQF VIETLSKTVG QDAIYVSGVG QHQMWSAQFL
DFDKPRHWIN SGGLGTMGFS IPAALGAKAG CPDKEVWAID GDGCFQMTNQ ELTTAAMEGF
PIKVALINNG NLGMVRQWQT LFYDGHYSHT KLGGEEVYVP DFVKLSEALG AEAIRVTKEE
EVVPAIKKAR EINDRPVVVE FIVGENAQVW PMIAAGASNS DMQYALGMRP FFDMEESAGE
TPEAISETID ALDNQPAQEE K
//
