ID A0A0U3EY17_9BURK Unreviewed; 583 AA.
AC A0A0U3EY17;
DT 16-MAR-2016, integrated into UniProtKB/TrEMBL.
DT 16-MAR-2016, sequence version 1.
DT 27-MAR-2024, entry version 39.
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=AT984_06570 {ECO:0000313|EMBL:ALT76904.1};
OS Paucibacter sp. KCTC 42545.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Sphaerotilaceae; Roseateles.
OX NCBI_TaxID=1768242 {ECO:0000313|EMBL:ALT76904.1, ECO:0000313|Proteomes:UP000056576};
RN [1] {ECO:0000313|EMBL:ALT76904.1, ECO:0000313|Proteomes:UP000056576}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KCTC 42545 {ECO:0000313|EMBL:ALT76904.1,
RC ECO:0000313|Proteomes:UP000056576};
RA Kim S.-G., Lee Y.-J.;
RT "Complete genome of Paucibacter sp. KCTC 42545.";
RL Submitted (DEC-2015) 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|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; CP013692; ALT76904.1; -; Genomic_DNA.
DR RefSeq; WP_058719409.1; NZ_CP013692.1.
DR AlphaFoldDB; A0A0U3EY17; -.
DR STRING; 1768242.AT984_06570; -.
DR KEGG; pkt:AT984_06570; -.
DR OrthoDB; 2254214at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000056576; 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:SF142; ACETOLACTATE SYNTHASE; 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:UP000056576};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 11..126
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 201..338
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 583 AA; 61940 MW; F26D9DB7D9F1B654 CRC64;
MNLASETRAA NGAQALIASL LSLGVDTVFG YPGGAVLPLY DALHGEPRLR HVLVRHEQAA
VHAAEGYARS TGRVGVVFVT SGPGMSNTTT GLLDALCDSV PVLCVSGQVA TTAIGTDAFQ
ECDALGISKP VTKWNVQIRA ADAVATTVAQ AFACAAGRRP GPVLVDFPKD IQLAPLSQPF
CAPLPRAVSG DTALAPAPEQ VAAAIALLRA ARRPVFYGGG GLINSGDTAC AALARLLRRS
GAPCTLTLMG LGAFPASEPQ FIGMLGMHGT LEANLAMHHA DLIICVGARF DDRVTGRLDR
FCPGAKVIHL DVAATQINKV RRADVALLGD CGLSLVALED AWGEAEAADL SSWWAQIEHW
RAARSLHFDE STCEGQVLPQ ALMSRLQAAL NGRDAIVSTD VGQHQMWAAQ YLQFERPRRW
LTSGGAGTMG YGLPAAIGAQ VAHPGKPVVC VSGDASVLMN IQELSTAVQH RLPVKLVLCN
NGRMGMVRQW QELIHEGRYS HSYTEALPDF VALAQAFGWQ ALRVTRREEL DVALLRCLDS
DGPFFLDVQV AAEENCFPMI PAGAGHDQVW LAKDRAYSAQ AWV
//
