ID A4RXN8_OSTLU Unreviewed; 421 AA.
AC A4RXN8;
DT 15-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 15-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 95.
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=OSTLU_31760 {ECO:0000313|EMBL:ABO96318.1};
OS Ostreococcus lucimarinus (strain CCE9901).
OC Eukaryota; Viridiplantae; Chlorophyta; Mamiellophyceae; Mamiellales;
OC Bathycoccaceae; Ostreococcus.
OX NCBI_TaxID=436017 {ECO:0000313|EMBL:ABO96318.1, ECO:0000313|Proteomes:UP000001568};
RN [1] {ECO:0000313|EMBL:ABO96318.1, ECO:0000313|Proteomes:UP000001568}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCE9901 {ECO:0000313|EMBL:ABO96318.1,
RC ECO:0000313|Proteomes:UP000001568};
RX PubMed=17460045; DOI=10.1073/pnas.0611046104;
RA Palenik B., Grimwood J., Aerts A., Rouze P., Salamov A., Putnam N.,
RA Dupont C., Jorgensen R., Derelle E., Rombauts S., Zhou K., Otillar R.,
RA Merchant S.S., Podell S., Gaasterland T., Napoli C., Gendler K.,
RA Manuell A., Tai V., Vallon O., Piganeau G., Jancek S., Heijde M.,
RA Jabbari K., Bowler C., Lohr M., Robbens S., Werner G., Dubchak I.,
RA Pazour G.J., Ren Q., Paulsen I., Delwiche C., Schmutz J., Rokhsar D.,
RA Van de Peer Y., Moreau H., Grigoriev I.V.;
RT "The tiny eukaryote Ostreococcus provides genomic insights into the paradox
RT of plankton speciation.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:7705-7710(2007).
CC -!- FUNCTION: The pyruvate dehydrogenase complex catalyzes the overall
CC conversion of pyruvate to acetyl-CoA and CO(2).
CC {ECO:0000256|RuleBase:RU361137}.
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|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 -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000256|RuleBase:RU361137}.
CC -!- SIMILARITY: Belongs to the 2-oxoacid dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00007317, ECO:0000256|RuleBase:RU361137}.
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DR EMBL; CP000585; ABO96318.1; -; Genomic_DNA.
DR RefSeq; XP_001418025.1; XM_001417988.1.
DR AlphaFoldDB; A4RXN8; -.
DR STRING; 436017.A4RXN8; -.
DR EnsemblPlants; ABO96318; ABO96318; OSTLU_31760.
DR GeneID; 5002103; -.
DR Gramene; ABO96318; ABO96318; OSTLU_31760.
DR KEGG; olu:OSTLU_31760; -.
DR eggNOG; KOG0557; Eukaryota.
DR HOGENOM; CLU_016733_10_2_1; -.
DR OMA; ATIEWEA; -.
DR OrthoDB; 5483022at2759; -.
DR Proteomes; UP000001568; Chromosome 5.
DR GO; GO:0005739; C:mitochondrion; IEA:UniProtKB-SubCell.
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 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|RuleBase:RU361137};
KW Lipoyl {ECO:0000256|ARBA:ARBA00022823, ECO:0000256|RuleBase:RU361137};
KW Reference proteome {ECO:0000313|Proteomes:UP000001568};
KW Transferase {ECO:0000256|RuleBase:RU361137};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT DOMAIN 1..72
FT /note="Lipoyl-binding"
FT /evidence="ECO:0000259|PROSITE:PS50968"
FT DOMAIN 128..165
FT /note="Peripheral subunit-binding (PSBD)"
FT /evidence="ECO:0000259|PROSITE:PS51826"
SQ SEQUENCE 421 AA; 44738 MW; 349117DFEAAE02AC CRC64;
MPALSPTMER GGIARWHRAI GDEIKAGDAI ADVETDKATM AMEATDDGYL AAILVPEGAT
DVEVGTPVCV MCEEASAVAA FKDYKATETV TTEPAKSAVE TAVTMPVVRA STRATARMSA
RASGERVFAS PLARRLAEER GVRLETVSGS GPNGRVIAED VLTARASSAS EAVTHTVVAE
HPLSKFFPDF EDVSVSAIKR VTAERLTESK QQLPHFYLTV DVRLDNMMGI RETLNKQLAD
DKAAEGAKIS VNDFIVKASA KALLAVPDVN ASWLGDKIRK YKKADISVAV QTERGLMVPI
VRSACCLGLK SISAEVKSLA GRARSGSLTP QDMTGGTFTI SNLGMFGVKN FAAIVNPPQA
AILAVGGARK EVVKNAEGGY EEVLVMSATL SCDHRVVDGA VGAQWLQSFK CYLEDPMTML
L
//
