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Database: UniProt
Entry: B3Q6K2_RHOPT
LinkDB: B3Q6K2_RHOPT
Original site: B3Q6K2_RHOPT 
ID   B3Q6K2_RHOPT            Unreviewed;       469 AA.
AC   B3Q6K2;
DT   02-SEP-2008, integrated into UniProtKB/TrEMBL.
DT   02-SEP-2008, sequence version 1.
DT   24-JAN-2024, entry version 91.
DE   RecName: Full=Pyruvate dehydrogenase E1 component subunit beta {ECO:0000256|ARBA:ARBA00016138, ECO:0000256|RuleBase:RU364074};
DE            EC=1.2.4.1 {ECO:0000256|ARBA:ARBA00012281, ECO:0000256|RuleBase:RU364074};
GN   OrderedLocusNames=Rpal_3208 {ECO:0000313|EMBL:ACF01711.1};
OS   Rhodopseudomonas palustris (strain TIE-1).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Nitrobacteraceae; Rhodopseudomonas.
OX   NCBI_TaxID=395960 {ECO:0000313|EMBL:ACF01711.1, ECO:0000313|Proteomes:UP000001725};
RN   [1] {ECO:0000313|EMBL:ACF01711.1, ECO:0000313|Proteomes:UP000001725}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TIE-1 {ECO:0000313|EMBL:ACF01711.1,
RC   ECO:0000313|Proteomes:UP000001725};
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Lang D., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Emerson D.,
RA   Newman D.K., Roden E., Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris TIE-1.";
RL   Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: The pyruvate dehydrogenase complex catalyzes the overall
CC       conversion of pyruvate to acetyl-CoA and CO2.
CC       {ECO:0000256|RuleBase:RU364074}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + N(6)-[(R)-lipoyl]-L-lysyl-[dihydrolipoyllysine-residue
CC         acetyltransferase] + pyruvate = CO2 + N(6)-[(R)-S(8)-
CC         acetyldihydrolipoyl]-L-lysyl-[dihydrolipoyllysine-residue
CC         acetyltransferase]; Xref=Rhea:RHEA:19189, Rhea:RHEA-COMP:10480,
CC         Rhea:RHEA-COMP:10481, ChEBI:CHEBI:15361, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16526, ChEBI:CHEBI:83099, ChEBI:CHEBI:83111; EC=1.2.4.1;
CC         Evidence={ECO:0000256|RuleBase:RU364074};
CC   -!- COFACTOR:
CC       Name=(R)-lipoate; Xref=ChEBI:CHEBI:83088;
CC         Evidence={ECO:0000256|ARBA:ARBA00001938};
CC   -!- COFACTOR:
CC       Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC         Evidence={ECO:0000256|ARBA:ARBA00001964,
CC         ECO:0000256|RuleBase:RU364074};
CC   -!- SUBUNIT: Heterodimer of an alpha and a beta chain.
CC       {ECO:0000256|ARBA:ARBA00011870}.
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DR   EMBL; CP001096; ACF01711.1; -; Genomic_DNA.
DR   RefSeq; WP_012496311.1; NC_011004.1.
DR   AlphaFoldDB; B3Q6K2; -.
DR   KEGG; rpt:Rpal_3208; -.
DR   HOGENOM; CLU_012907_0_0_5; -.
DR   OMA; SRMRHHC; -.
DR   OrthoDB; 9780894at2; -.
DR   Proteomes; UP000001725; Chromosome.
DR   GO; GO:0004739; F:pyruvate dehydrogenase (acetyl-transferring) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006086; P:acetyl-CoA biosynthetic process from pyruvate; IEA:InterPro.
DR   CDD; cd06849; lipoyl_domain; 1.
DR   CDD; cd07036; TPP_PYR_E1-PDHc-beta_like; 1.
DR   Gene3D; 2.40.50.100; -; 1.
DR   Gene3D; 3.40.50.920; -; 1.
DR   Gene3D; 3.40.50.970; -; 1.
DR   InterPro; IPR003016; 2-oxoA_DH_lipoyl-BS.
DR   InterPro; IPR000089; Biotin_lipoyl.
DR   InterPro; IPR027110; PDHB.
DR   InterPro; IPR011053; Single_hybrid_motif.
DR   InterPro; IPR029061; THDP-binding.
DR   InterPro; IPR009014; Transketo_C/PFOR_II.
DR   InterPro; IPR005475; Transketolase-like_Pyr-bd.
DR   InterPro; IPR033248; Transketolase_C.
DR   PANTHER; PTHR11624; DEHYDROGENASE RELATED; 1.
DR   PANTHER; PTHR11624:SF96; PYRUVATE DEHYDROGENASE E1 COMPONENT SUBUNIT BETA, MITOCHONDRIAL; 1.
DR   Pfam; PF00364; Biotin_lipoyl; 1.
DR   Pfam; PF02779; Transket_pyr; 1.
DR   Pfam; PF02780; Transketolase_C; 1.
DR   SMART; SM00861; Transket_pyr; 1.
DR   SUPFAM; SSF51230; Single hybrid motif; 1.
DR   SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 1.
DR   SUPFAM; SSF52922; TK C-terminal domain-like; 1.
DR   PROSITE; PS50968; BIOTINYL_LIPOYL; 1.
DR   PROSITE; PS00189; LIPOYL; 1.
PE   4: Predicted;
KW   Lipoyl {ECO:0000256|ARBA:ARBA00022823};
KW   Oxidoreductase {ECO:0000256|RuleBase:RU364074};
KW   Pyruvate {ECO:0000256|ARBA:ARBA00023317, ECO:0000256|RuleBase:RU364074};
KW   Thiamine pyrophosphate {ECO:0000256|RuleBase:RU364074}.
FT   DOMAIN          2..78
FT                   /note="Lipoyl-binding"
FT                   /evidence="ECO:0000259|PROSITE:PS50968"
FT   REGION          82..139
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        93..107
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   469 AA;  49788 MW;  7A65E18458D3EEFF CRC64;
     MPIQVLMPAL SPTMEKGNLS KWLKKEGDKV KSGDVIAEIE TDKATMEVEA ADEGTLGKIL
     IPEGTNDVAV NTPIATILGD GESAADADKA SDPTAQSKAS QSAPPSAEPE AAQAKSAAAP
     AQHAPEAPTV SAAADPDIPA GTEMVTVTIR EALRDAMAEE MRRDPDVFVM GEEVAEYQGA
     YKVTQGLLQE FGDRRVIDTP ITEHGFAGVG VGAGFAGLKP IVEFMTFNFA MQAIDQIINS
     AAKTLYMSGG QLGCSIVFRG PNGAASRVAA QHSQDYSAWY AQIPGLKVVA PYSAADAKGL
     LKAAIRDPNP VIFLEHEMLY GQHGEVPKLD DYVIPIGKAR IVREGKDVTL ISWSHGMTYT
     LKAADELAKD GISAEVIDLR TLRPLDTDTI IASVKKTGRA VTIEEGWQQN GVGAELSARI
     MEHAFDYLDA PVTRVSGKDV PMPYAANLEK LALPSVAEVV EAAKAVCYR
//
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