ID H5XMJ9_9PSEU Unreviewed; 581 AA.
AC H5XMJ9;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 27-MAR-2024, entry version 56.
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=SaccyDRAFT_1036 {ECO:0000313|EMBL:EHR59949.1};
OS Saccharomonospora cyanea NA-134.
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae; Saccharomonospora.
OX NCBI_TaxID=882082 {ECO:0000313|EMBL:EHR59949.1};
RN [1] {ECO:0000313|EMBL:EHR59949.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NA-134 {ECO:0000313|EMBL:EHR59949.1};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Ovchinnikova G., Lu M., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Kyrpides N., Ivanova N., Pagani I., Brambilla E.-M.,
RA Klenk H.-P., Woyke T.;
RT "The Noncontiguous Finished sequence of Saccharomonospora cyanea NA-134.";
RL Submitted (NOV-2011) 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; CM001440; EHR59949.1; -; Genomic_DNA.
DR AlphaFoldDB; H5XMJ9; -.
DR STRING; 882082.SaccyDRAFT_1036; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_3_11; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000002791; 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: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}; Magnesium {ECO:0000256|RuleBase:RU003591};
KW Metal-binding {ECO:0000256|RuleBase:RU003591};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591}.
FT DOMAIN 1..116
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 191..326
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 390..543
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 581 AA; 62502 MW; 23A920C88B82F2A1 CRC64;
MTGAQSLVRS LEAVGVEVVF GIPGGTILPA YDPLLDSTKV RHVLVRHEQG AGHAATGYAQ
ATGRVGVCMA TSGPGATNLV TPLADAYMDS VPVVAITGQQ TRALIGSDAF QEADICGITM
PITKHNFLVT EPADIPRVIA EAFHLASTGR PGPVLVDIPK DVLQETTSFA WPPELNLPGY
RPTLRPHGKQ VREAARLITQ ARRPVFYVGG GVLKAGAAEQ LRELVELTGI PVVTTLMARG
VFPDSHRQHL GMPGMHGSVA AVAAMQRADL LVALGARFDD RVTGRLESFA PEAKVVHADI
DPAEISKNRK ADVPIVGDCA EIITELIDAV RNETSYGESA DLAAWWLQLN SWRDTFPAGY
EWPSDGTLAP QYVIERIGKL VGPDAIYAAG VGQHQMWAAQ FISYEQPRTW INSGGLGTMG
FAVPAAMGAQ FGRPDKQVWA IDGDGCFQMT NQELATCAIE GAPIKVAVIN NGNLGMVRQW
QNLFYAERYS NTDLGTHKHR IPDFALLAEA LGCAGLRCET KDSVDDTIRR AMEINDRPVV
IDFVVGKDAQ VWPMVAAGTS NDEIMAARGI RPLFDEDEVS Q
//
