ID Q2C3I3_9GAMM Unreviewed; 631 AA.
AC Q2C3I3;
DT 04-APR-2006, integrated into UniProtKB/TrEMBL.
DT 04-APR-2006, sequence version 1.
DT 24-JAN-2024, entry version 80.
DE RecName: Full=Acetyltransferase component of pyruvate dehydrogenase complex {ECO:0000256|RuleBase:RU361137};
DE EC=2.3.1.12 {ECO:0000256|RuleBase:RU361137};
GN ORFNames=SKA34_22307 {ECO:0000313|EMBL:EAR55609.1};
OS Photobacterium sp. SKA34.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Photobacterium.
OX NCBI_TaxID=121723 {ECO:0000313|EMBL:EAR55609.1, ECO:0000313|Proteomes:UP000005284};
RN [1] {ECO:0000313|EMBL:EAR55609.1, ECO:0000313|Proteomes:UP000005284}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SKA34 {ECO:0000313|EMBL:EAR55609.1,
RC ECO:0000313|Proteomes:UP000005284};
RA Hagstrom A.J., Ferriera S., Johnson J., Kravitz S., Halpern A.,
RA Remington K., Beeson K., Tran B., Rogers Y.-H., Friedman R., Venter J.C.;
RL Submitted (FEB-2006) 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 3 lipoyl cofactors covalently.
CC {ECO:0000256|RuleBase:RU361137};
CC -!- SUBUNIT: Forms a 24-polypeptide structural core with octahedral
CC symmetry. {ECO:0000256|ARBA:ARBA00011484,
CC ECO:0000256|RuleBase:RU361137}.
CC -!- SIMILARITY: Belongs to the 2-oxoacid dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00007317, ECO:0000256|RuleBase:RU361137}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EAR55609.1}.
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DR EMBL; AAOU01000016; EAR55609.1; -; Genomic_DNA.
DR RefSeq; WP_006647309.1; NZ_CH724145.1.
DR AlphaFoldDB; Q2C3I3; -.
DR HOGENOM; CLU_016733_10_0_6; -.
DR OrthoDB; 9805770at2; -.
DR Proteomes; UP000005284; Unassembled WGS sequence.
DR GO; GO:0045254; C:pyruvate dehydrogenase complex; IEA:UniProtKB-UniRule.
DR GO; GO:0004742; F:dihydrolipoyllysine-residue acetyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-KW.
DR CDD; cd06849; lipoyl_domain; 3.
DR Gene3D; 2.40.50.100; -; 3.
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; IPR006256; AcTrfase_Pyrv_DH_cplx.
DR InterPro; IPR000089; Biotin_lipoyl.
DR InterPro; IPR023213; CAT-like_dom_sf.
DR InterPro; IPR036625; E3-bd_dom_sf.
DR InterPro; IPR004167; PSBD.
DR InterPro; IPR011053; Single_hybrid_motif.
DR NCBIfam; TIGR01348; PDHac_trf_long; 1.
DR PANTHER; PTHR43178; DIHYDROLIPOAMIDE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX; 1.
DR PANTHER; PTHR43178:SF2; DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX; 1.
DR Pfam; PF00198; 2-oxoacid_dh; 1.
DR Pfam; PF00364; Biotin_lipoyl; 3.
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; 3.
DR PROSITE; PS50968; BIOTINYL_LIPOYL; 3.
DR PROSITE; PS00189; LIPOYL; 3.
DR PROSITE; PS51826; PSBD; 1.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000256|RuleBase:RU361137,
KW ECO:0000313|EMBL:EAR55609.1};
KW Glycolysis {ECO:0000256|ARBA:ARBA00023152, ECO:0000256|RuleBase:RU361137};
KW Lipoyl {ECO:0000256|ARBA:ARBA00022823, ECO:0000256|RuleBase:RU361137};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Transferase {ECO:0000256|RuleBase:RU361137, ECO:0000313|EMBL:EAR55609.1}.
FT DOMAIN 2..75
FT /note="Lipoyl-binding"
FT /evidence="ECO:0000259|PROSITE:PS50968"
FT DOMAIN 103..176
FT /note="Lipoyl-binding"
FT /evidence="ECO:0000259|PROSITE:PS50968"
FT DOMAIN 204..277
FT /note="Lipoyl-binding"
FT /evidence="ECO:0000259|PROSITE:PS50968"
FT DOMAIN 324..361
FT /note="Peripheral subunit-binding (PSBD)"
FT /evidence="ECO:0000259|PROSITE:PS51826"
SQ SEQUENCE 631 AA; 65648 MW; FA31E389803DADD0 CRC64;
MAIEINVPDI GADEVEVTEI LVSVGDKVEE EQSLITVEGD KASMEVPASQ SGIVKEIKVA
EGDTVSTGSL IMIFEAESAA DAAPAPVAEA ATAAPAPAAA AELKEVHVPD IGGDEVECTE
IMVSVGDTVE EEQSLITVEG DKASMEVPAP FAGTVKEIKI VEGDKVSTGS LIMVFEVASS
GSAPAAPVAQ AAAPAPAAPA ASAAKEVNVP DIGGDEVEVT EIMVSVGDTV EEEQSLITVE
GDKASMEVPA PFSGTVKEIK IVEGDKVSTG SLIMVFEVAG AAPAAAPVAQ AAAPAPTAAP
AAAPAKAEAS AATGDFVENN EYAHASPVVR RLAREFGVNL AKVKGTGRKN RVLKEDVQNF
VKDALKRLES GAAASASGKG DGAALGLLPW PKIDFSKFGE TEVKPLSRIK KISGANLHRN
WVMIPHVTQW DNADITALEA FRKEQNAIEA KKDTGMKITP LVFIMKAAAK ALEAFPSFNS
SLSDDGESLI LKKYVNIGIA VDTPNGLVVP VFKDVNKKGI YELSEELMAI SKKARAGKLT
ASDMQGGCFT ISSLGGLGGT AFTPIVNAPE VGILGVSKSE MKPVWNGKEF EPRLQLPLSL
SYDHRVIDGA EGARFITYLN GCLSDIRRLV L
//