ID D5WXX3_KYRT2 Unreviewed; 334 AA.
AC D5WXX3;
DT 13-JUL-2010, integrated into UniProtKB/TrEMBL.
DT 13-JUL-2010, sequence version 1.
DT 24-JAN-2024, entry version 60.
DE RecName: Full=2-oxoisovalerate dehydrogenase subunit alpha {ECO:0000256|RuleBase:RU365014};
DE EC=1.2.4.4 {ECO:0000256|RuleBase:RU365014};
DE AltName: Full=Branched-chain alpha-keto acid dehydrogenase E1 component alpha chain {ECO:0000256|RuleBase:RU365014};
GN OrderedLocusNames=Btus_1309 {ECO:0000313|EMBL:ADG06032.1};
OS Kyrpidia tusciae (strain DSM 2912 / NBRC 15312 / T2) (Bacillus tusciae).
OC Bacteria; Bacillota; Bacilli; Bacillales; Alicyclobacillaceae; Kyrpidia.
OX NCBI_TaxID=562970 {ECO:0000313|EMBL:ADG06032.1, ECO:0000313|Proteomes:UP000002368};
RN [1] {ECO:0000313|Proteomes:UP000002368}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2912 / NBRC 15312 / T2 {ECO:0000313|Proteomes:UP000002368};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Kyrpides N., Mavromatis K., Ivanova N.,
RA Ovchinnikova G., Chertkov O., Brettin T., Detter J.C., Han C., Larimer F.,
RA Land M., Hauser L., Markowitz V., Cheng J.-F., Hugenholtz P., Woyke T.,
RA Wu D., Pukall R., Schneider S., Wahrenburg C., Klenk H.-P., Eisen J.A.;
RT "The complete genome of Bacillus tusciae DSM 2912.";
RL Submitted (APR-2010) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADG06032.1, ECO:0000313|Proteomes:UP000002368}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2912 / NBRC 15312 / T2 {ECO:0000313|Proteomes:UP000002368};
RX PubMed=22180816; DOI=10.4056/sigs.2144922;
RA Klenk H.P., Lapidus A., Chertkov O., Copeland A., Del Rio T.G., Nolan M.,
RA Lucas S., Chen F., Tice H., Cheng J.F., Han C., Bruce D., Goodwin L.,
RA Pitluck S., Pati A., Ivanova N., Mavromatis K., Daum C., Chen A.,
RA Palaniappan K., Chang Y.J., Land M., Hauser L., Jeffries C.D., Detter J.C.,
RA Rohde M., Abt B., Pukall R., Goker M., Bristow J., Markowitz V.,
RA Hugenholtz P., Eisen J.A.;
RT "Complete genome sequence of the thermophilic, hydrogen-oxidizing Bacillus
RT tusciae type strain (T2) and reclassification in the new genus, Kyrpidia
RT gen. nov. as Kyrpidia tusciae comb. nov. and emendation of the family
RT Alicyclobacillaceae da Costa and Rainey, 2010.";
RL Stand. Genomic Sci. 5:121-134(2011).
CC -!- FUNCTION: The branched-chain alpha-keto dehydrogenase complex catalyzes
CC the overall conversion of alpha-keto acids to acyl-CoA and CO(2). It
CC contains multiple copies of three enzymatic components: branched-chain
CC alpha-keto acid decarboxylase (E1), lipoamide acyltransferase (E2) and
CC lipoamide dehydrogenase (E3). {ECO:0000256|RuleBase:RU365014}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3-methyl-2-oxobutanoate + H(+) + N(6)-[(R)-lipoyl]-L-lysyl-
CC [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] = CO2 +
CC N(6)-[(R)-S(8)-2-methylpropanoyldihydrolipoyl]-L-lysyl-
CC [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase];
CC Xref=Rhea:RHEA:13457, Rhea:RHEA-COMP:10488, Rhea:RHEA-COMP:10489,
CC ChEBI:CHEBI:11851, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:83099, ChEBI:CHEBI:83142; EC=1.2.4.4;
CC Evidence={ECO:0000256|RuleBase:RU365014};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|ARBA:ARBA00001964,
CC ECO:0000256|RuleBase:RU365014};
CC -!- SIMILARITY: Belongs to the BCKDHA family.
CC {ECO:0000256|RuleBase:RU365014}.
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DR EMBL; CP002017; ADG06032.1; -; Genomic_DNA.
DR AlphaFoldDB; D5WXX3; -.
DR STRING; 562970.Btus_1309; -.
DR KEGG; bts:Btus_1309; -.
DR eggNOG; COG1071; Bacteria.
DR HOGENOM; CLU_029393_1_0_9; -.
DR OMA; LQYWGGD; -.
DR Proteomes; UP000002368; Chromosome.
DR GO; GO:0003863; F:3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity; IEA:UniProtKB-EC.
DR CDD; cd02000; TPP_E1_PDC_ADC_BCADC; 1.
DR Gene3D; 3.40.50.970; -; 1.
DR InterPro; IPR001017; DH_E1.
DR InterPro; IPR029061; THDP-binding.
DR PANTHER; PTHR43380; 2-OXOISOVALERATE DEHYDROGENASE SUBUNIT ALPHA, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43380:SF1; 2-OXOISOVALERATE DEHYDROGENASE SUBUNIT ALPHA, MITOCHONDRIAL; 1.
DR Pfam; PF00676; E1_dh; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 1.
PE 3: Inferred from homology;
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU365014};
KW Thiamine pyrophosphate {ECO:0000256|RuleBase:RU365014}.
FT DOMAIN 23..323
FT /note="Dehydrogenase E1 component"
FT /evidence="ECO:0000259|Pfam:PF00676"
FT REGION 104..128
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 252..275
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 253..275
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 334 AA; 36255 MW; 082F754F9AA69151 CRC64;
MSVEMRNRHE ALGLTGEDLL AMYRVMLTAR RVDERLWVLN RAGKIPFVIS CQGHEGAQVG
AAFALDRQKD YVLPYYRDVA VVLAFGQTPR DLLLAAYAKA DDPNSGGRQM PNHFGSRKHR
IVSGSSPVST QIPHAAGIAL AAKMRGDDVV AYVSFGEGSS NQGDFHEGLN FAAVHRLPVV
FFCQNNGYAI SVPASKELAT PSVADRAAGY GIPGVVVDGS DVLGVYHAVK TAVERARRGD
GPTLVEAMTV RLTPHSSDDD DRTYRSGEEL EDARRRDPLP QLAEYLIASG VADEVLLRAL
DQEVRAEVDE ATAYAEQARD PDPADVLRFV HGEA
//