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
//