Search Results

Overview

Uniprot IDO00330
Protein NamePyruvate dehydrogenase protein X component, mitochondrial
Gene NamePDHX
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
120 IVVEEGSKNIRLGSL
145 WKHVEIPKDVGPPPP
155 GPPPPVSKPSEPRPS
172 PQISIPVKKEHIPGT
194 AARNILEKHSLDASQ
218 FTKEDALKLVQLKQT
491 TRFLKSFKANLENPI

Function

Required for anchoring dihydrolipoamide dehydrogenase (E3) to the dihydrolipoamide transacetylase (E2) core of the pyruvate dehydrogenase complexes of eukaryotes. This specific binding is essential for a functional PDH complex

Protein Sequence

10 MAASWRLGCD 20 PRLLRYLVGF 30 PGRRSVGLVK 40 GALGWSVSRG 50 ANWRWFHSTQ 60 WLRGDPIKIL 70 MPSLSPTMEE 80 GNIVKWLKKE 90 GEAVSAGDAL 100 CEIETDKAVV 110 TLDASDDGIL 120 AKIVVEEGSK 130 NIRLGSLIGL 140 IVEEGEDWKH 150 VEIPKDVGPP 160 PPVSKPSEPR 170 PSPEPQISIP 180 VKKEHIPGTL 190 RFRLSPAARN 200 ILEKHSLDAS 210 QGTATGPRGI 220 FTKEDALKLV 230 QLKQTGKITE 240 SRPTPAPTAT 250 PTAPSPLQAT 260 AGPSYPRPVI 270 PPVSTPGQPN 280 AVGTFTEIPA 290 SNIRRVIAKR 300 LTESKSTVPH 310 AYATADCDLG 320 AVLKVRQDLV 330 KDDIKVSVND 340 FIIKAAAVTL 350 KQMPDVNVSW 360 DGEGPKQLPF 370 IDISVAVATD 380 KGLLTPIIKD 390 AAAKGIQEIA 400 DSVKALSKKA 410 RDGKLLPEEY 420 QGGSFSISNL 430 GMFGIDEFTA 440 VINPPQACIL 450 AVGRFRPVLK 460 LTEDEEGNAK 470 LQQRQLITVT 480 MSSDSRVVDD 490 ELATRFLKSF 500 KANLENPIRL A

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0005739 mitochondrion
Cellular Component GO:0045254 pyruvate dehydrogenase complex
Molecular Function GO:0004742 dihydrolipoyllysine-residue acetyltransferase activity
Biological Process GO:0006086 pyruvate decarboxylation to acetyl-CoA

Reference

[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.

[2] Shi CM, Wang QC, Li XL, Yang YH, Tang XY et al.. Global Profiling of Protein Lactylation in Human Hippocampi.. Proteomics Clin Appl 19(2):e202400061. 2025 Mar. PMID: 39610256.