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Overview

Uniprot IDA0A5S6FV10
Protein NameDihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex, mitochondrial
Gene NameDLST
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
182 SKPVSAVKPTAAPPV
246 QDMRARHKEAFLKKH
332 TISELGEKARKNELA
419 VTFLRKIKAAVEDPR
45 FRTTAVCKDDVITVK

Function

Dihydrolipoamide succinyltransferase (E2) component of the 2-oxoglutarate dehydrogenase complex. The 2-oxoglutarate dehydrogenase complex catalyzes the overall conversion of 2-oxoglutarate to succinyl-CoA and CO(2). The 2-oxoglutarate dehydrogenase complex is mainly active in the mitochondrion. A fraction of the 2-oxoglutarate dehydrogenase complex also localizes in the nucleus and is required for lysine succinylation of histones: associates with KAT2A on chromatin and provides succinyl-CoA to histone succinyltransferase KAT2A

Protein Sequence

10 MGRFYPCSVV 20 PPSSSSWGQP 30 GLQVLSISNS 40 SVLNVRFFRT 50 TAVCKDDVIT 60 VKTPAFAESV 70 TEGDVRWEKA 80 VGDTVAEDEV 90 VCEIETDKTS 100 VQVPSPANGV 110 IEALLVPDGG 120 KVEGGTPLFT 130 LRKTGAAPAK 140 AKPAEAPAAA 150 APKAEPAVSA 160 VPPPPAASIP 170 TQMPPVPSPP 180 QPLTSKPVSA 190 VKPTAAPPVA 200 EPGAVKGLRA 210 EHREKMNRMR 220 QRIAQRLKEA 230 QNTCAMLTTF 240 NEIDMSNIQD 250 MRARHKEAFL 260 KKHNLKLGFM 270 SAFVKASAFA 280 LQEQPVVNAV 290 IDDTTKEVVY 300 RDYIDISVAV 310 ATPRGLVVPV 320 IRNVETMNYA 330 DIERTISELG 340 EKARKNELAI 350 EDMDGGTFTI 360 SNGGVFGSLF 370 GTPIINPPQS 380 AILGMHAIVD 390 RPVAVGGKVE 400 IRPMMYVALT 410 YDHRLIDGRE 420 AVTFLRKIKA 430 AVEDPRVLLL DL

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0005634 nucleus
Cellular Component GO:0045252 oxoglutarate dehydrogenase complex
Molecular Function GO:0004149 dihydrolipoyllysine-residue succinyltransferase activity
Biological Process GO:0033512 L-lysine catabolic process to acetyl-CoA via L-saccharopine
Biological Process GO:0006099 tricarboxylic acid cycle

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.