ID A8EYR2_RICCK Unreviewed; 418 AA.
AC A8EYR2;
DT 13-NOV-2007, integrated into UniProtKB/TrEMBL.
DT 13-NOV-2007, sequence version 1.
DT 24-JAN-2024, entry version 89.
DE RecName: Full=Acetyltransferase component of pyruvate dehydrogenase complex {ECO:0000256|RuleBase:RU361137};
DE EC=2.3.1.12 {ECO:0000256|RuleBase:RU361137};
GN OrderedLocusNames=A1E_02755 {ECO:0000313|EMBL:ABV73495.1};
OS Rickettsia canadensis (strain McKiel).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; belli group.
OX NCBI_TaxID=293613 {ECO:0000313|EMBL:ABV73495.1, ECO:0000313|Proteomes:UP000007056};
RN [1] {ECO:0000313|Proteomes:UP000007056}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=McKiel {ECO:0000313|Proteomes:UP000007056};
RA Madan A., Fahey J., Helton E., Ketteman M., Madan A., Rodrigues S.,
RA Sanchez A., Whiting M., Dasch G., Eremeeva M.;
RT "Complete genome sequence of Rickettsia canadensis.";
RL Submitted (SEP-2007) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The pyruvate dehydrogenase complex catalyzes the overall
CC conversion of pyruvate to acetyl-CoA and CO(2). It contains multiple
CC copies of three enzymatic components: pyruvate dehydrogenase (E1),
CC dihydrolipoamide acetyltransferase (E2) and lipoamide dehydrogenase
CC (E3). {ECO:0000256|ARBA:ARBA00025211}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetyl-CoA + N(6)-[(R)-dihydrolipoyl]-L-lysyl-[protein] = CoA
CC + N(6)-[(R)-S(8)-acetyldihydrolipoyl]-L-lysyl-[protein];
CC Xref=Rhea:RHEA:17017, Rhea:RHEA-COMP:10475, Rhea:RHEA-COMP:10478,
CC ChEBI:CHEBI:57287, ChEBI:CHEBI:57288, ChEBI:CHEBI:83100,
CC ChEBI:CHEBI:83111; EC=2.3.1.12;
CC Evidence={ECO:0000256|ARBA:ARBA00000925,
CC ECO:0000256|RuleBase:RU361137};
CC -!- COFACTOR:
CC Name=(R)-lipoate; Xref=ChEBI:CHEBI:83088;
CC Evidence={ECO:0000256|RuleBase:RU361137};
CC Note=Binds 1 lipoyl cofactor covalently.
CC {ECO:0000256|RuleBase:RU361137};
CC -!- SUBUNIT: Forms a 24-polypeptide structural core with octahedral
CC symmetry. {ECO:0000256|ARBA:ARBA00011484}.
CC -!- SIMILARITY: Belongs to the 2-oxoacid dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00007317, ECO:0000256|RuleBase:RU361137}.
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DR EMBL; CP000409; ABV73495.1; -; Genomic_DNA.
DR RefSeq; WP_012148692.1; NC_009879.1.
DR AlphaFoldDB; A8EYR2; -.
DR STRING; 293613.A1E_02755; -.
DR KEGG; rcm:A1E_02755; -.
DR eggNOG; COG0508; Bacteria.
DR HOGENOM; CLU_016733_10_2_5; -.
DR OMA; TMEFESF; -.
DR Proteomes; UP000007056; Chromosome.
DR GO; GO:0045254; C:pyruvate dehydrogenase complex; IEA:InterPro.
DR GO; GO:0004742; F:dihydrolipoyllysine-residue acetyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006086; P:acetyl-CoA biosynthetic process from pyruvate; IEA:InterPro.
DR GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-KW.
DR CDD; cd06849; lipoyl_domain; 1.
DR Gene3D; 2.40.50.100; -; 1.
DR Gene3D; 3.30.559.10; Chloramphenicol acetyltransferase-like domain; 1.
DR Gene3D; 4.10.320.10; E3-binding domain; 1.
DR InterPro; IPR003016; 2-oxoA_DH_lipoyl-BS.
DR InterPro; IPR001078; 2-oxoacid_DH_actylTfrase.
DR InterPro; IPR000089; Biotin_lipoyl.
DR InterPro; IPR023213; CAT-like_dom_sf.
DR InterPro; IPR045257; E2/Pdx1.
DR InterPro; IPR036625; E3-bd_dom_sf.
DR InterPro; IPR006257; LAT1.
DR InterPro; IPR004167; PSBD.
DR InterPro; IPR011053; Single_hybrid_motif.
DR NCBIfam; TIGR01349; PDHac_trf_mito; 1.
DR PANTHER; PTHR23151; DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED; 1.
DR PANTHER; PTHR23151:SF90; DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX, MITOCHONDRIAL; 1.
DR Pfam; PF00198; 2-oxoacid_dh; 1.
DR Pfam; PF00364; Biotin_lipoyl; 1.
DR Pfam; PF02817; E3_binding; 1.
DR SUPFAM; SSF52777; CoA-dependent acyltransferases; 1.
DR SUPFAM; SSF47005; Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex; 1.
DR SUPFAM; SSF51230; Single hybrid motif; 1.
DR PROSITE; PS50968; BIOTINYL_LIPOYL; 1.
DR PROSITE; PS00189; LIPOYL; 1.
DR PROSITE; PS51826; PSBD; 1.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000256|ARBA:ARBA00023315,
KW ECO:0000256|RuleBase:RU361137};
KW Lipoyl {ECO:0000256|ARBA:ARBA00022823, ECO:0000256|RuleBase:RU361137};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU361137}.
FT DOMAIN 2..78
FT /note="Lipoyl-binding"
FT /evidence="ECO:0000259|PROSITE:PS50968"
FT DOMAIN 138..175
FT /note="Peripheral subunit-binding (PSBD)"
FT /evidence="ECO:0000259|PROSITE:PS51826"
SQ SEQUENCE 418 AA; 45924 MW; E56C89CB570B630B CRC64;
MPIKILMPAL SPTMTEGNLS RWLKNEGDKV NPGEVIAEIE TDKATMEVEA VDEGILAKIV
IPQNSQNVPV NSLIAVLSEE GEDIDDINGF IAKNSSVLPS LKADADANLL KSTEDIAVQY
SNVEEQVAVT NHNKSKIFAS PLAKRLAKIQ NIRLESVKGS GPHGRIIKQD ILSYTPSTVP
NKIVIRNPEE YHLVPNNNIR KIIAKRVLES KQAVPHFYLS IECNVDKLLE IREDINKSFS
EDNSTRISVN DFIILAIAKA LQEVPNANAS WGKDAIRYYN NVDIAVAVAI ENGLVTPIVK
NADQKNIIEL SHEMKELIKK AKDNKLTPEE FQGGGFTISN LGMYGIKNFN AIINPPQSCI
MGVGSSSKRA IVKNDQINIA TIMDVTLSAD HRVIDGVVGA EFLAAFKKFI ERPALMLL
//