ID U5ML42_CLOSA Unreviewed; 557 AA.
AC U5ML42;
DT 22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT 22-JAN-2014, sequence version 1.
DT 27-MAR-2024, entry version 55.
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=ilvB1 {ECO:0000313|EMBL:AGX41325.1};
GN ORFNames=CLSA_c02730 {ECO:0000313|EMBL:AGX41325.1};
OS Clostridium saccharobutylicum DSM 13864.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=1345695 {ECO:0000313|EMBL:AGX41325.1, ECO:0000313|Proteomes:UP000017118};
RN [1] {ECO:0000313|EMBL:AGX41325.1, ECO:0000313|Proteomes:UP000017118}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 13864 {ECO:0000313|EMBL:AGX41325.1};
RX PubMed=24285650;
RA Poehlein A., Hartwich K., Krabben P., Ehrenreich A., Liebl W., Durre P.,
RA Gottschalk G., Daniel R.;
RT "Complete Genome Sequence of the Solvent Producer Clostridium
RT saccharobutylicum NCP262 (DSM 13864).";
RL Genome Announc. 1:e00997-13(2013).
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; CP006721; AGX41325.1; -; Genomic_DNA.
DR RefSeq; WP_022743614.1; NZ_AYXL01000185.1.
DR AlphaFoldDB; U5ML42; -.
DR GeneID; 55472849; -.
DR KEGG; csb:CLSA_c02730; -.
DR PATRIC; fig|1345695.10.peg.1455; -.
DR eggNOG; COG0028; Bacteria.
DR HOGENOM; CLU_013748_1_2_9; -.
DR OrthoDB; 4494979at2; -.
DR UniPathway; UPA00047; UER00055.
DR UniPathway; UPA00049; UER00059.
DR Proteomes; UP000017118; 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; 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.
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:UP000017118};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU003591};
KW Transferase {ECO:0000256|RuleBase:RU003591, ECO:0000313|EMBL:AGX41325.1}.
FT DOMAIN 4..120
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 192..326
FT /note="Thiamine pyrophosphate enzyme central"
FT /evidence="ECO:0000259|Pfam:PF00205"
FT DOMAIN 380..526
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 557 AA; 61166 MW; 8AA6CBCB278CFF42 CRC64;
MLLTGAEILI KSLLDENVET IFGYPGGAVL NIYDELYKYK DKIHHVLTCH EQGAAHAADG
YARATGKVGV CLATSGPGAT NLVTGIATAY MDSVPMVAIT GNVATSLLGK DSFQEVDITG
ITMPITKHNY IVRDVNDLQN IIKDAFYIAQ EGRPGPVLID IPKDVTANKA EYTKLIPKEI
TRSSKYITEK SLQKAIELIN QSERPFIYAG GGIGISGATQ ELIDFAEKIN APVSTSLMCM
AAFPNDHELY TGMIGMHGTK ASNIAATKCD LLITLGARFS DRVISHQNHI KNARILQIDV
DCAEINKNVK VDSSIVGDLK IVLDKLLPLI SRKNNDEWLG KINNLKENKK VLINDTTTPE
LLFDKLNSLN DGSFVISTEV GQHQMWAAQH FKFRNERTFI TSGGLGTMGY GLGAAIGAQT
GRKDRRVFNI AGDGSFGMNC NEFVTAVKNN LPIIQIVMNN NCLGMVRQWQ SLFYEQRYSE
TTLDRPTDYV KLAEAFGGKA FRITKPEEID EVLEKALDSQ GPVLIDYLIN NDKKVFPMVA
PGAPINEIIN EEDIKNN
//
