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Overview

Uniprot IDQ8BKZ9
Protein NamePyruvate dehydrogenase protein X component, mitochondrial
Gene NamePdhx
OrganismMus musculus

Kla Sites from experimental identification

Position Flanking peptide
218 FTKEDALKLVELKQM
223 ALKLVELKQMGKITE
227 VELKQMGKITESRPA

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 (By similarity)

Protein Sequence

10 MAASWRLHCN 20 QPLLRYLLGF 30 SSRRSLGLAQ 40 GAAAWPVDRG 50 ASWRWFHSTQ 60 LLQADPIKVL 70 MPSLSPTMEQ 80 GNIVKWLRKE 90 GEAVSAGDSL 100 CEIETDKAVV 110 TLDANDDGIL 120 AKIVVEEGAK 130 NIQLGSLIAL 140 MVEEGEDWKQ 150 VEIPKDVSAP 160 PPVSKPPAPT 170 QPSPQPQIPC 180 PARKEHKGTA 190 RFRLSPAARN 200 ILEKHSLDAS 210 QGTATGPRGI 220 FTKEDALKLV 230 ELKQMGKITE 240 SRPASAPPPS 250 LSASVPPQAT 260 AGPSYPRPMT 270 PPVSIPGQPN 280 AAGTFTEIPA 290 SNIRRVIAKR 300 LTESKSTVPH 310 AYATADCDLG 320 AVLKVRRDLV 330 KDDIKVSVND 340 FIIRAAAVTL 350 KQMPGVNVTW 360 DGEGPKQLPS 370 VDISVAVATD 380 KGLITPIIKD 390 AAAKGIQEIA 400 DSVKVLSKKA 410 RDGKLMPEEY 420 QGGSFSISNL 430 GMFGIDEFAA 440 VINPPQACIL 450 AVGRFRPVLK 460 LTEDEEGNPQ 470 LQQHQLITVT 480 MSSDSRVVDD 490 ELATRFLETF 500 KANLENPMRL G

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0005739 mitochondrion
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005886 plasma membrane
Cellular Component GO:0045254 pyruvate dehydrogenase complex
Molecular Function GO:0004742 dihydrolipoyllysine-residue acetyltransferase activity
Molecular Function GO:0060090 molecular adaptor activity
Biological Process GO:0006086 pyruvate decarboxylation to acetyl-CoA

Reference

[1] Zhuo W, Zhang M, Tan J, Gao Y, Wang Y et al.. Lysine lactylation analysis of proteins in the heart of the Kawasaki disease mouse model.. Front Cell Dev Biol 13:1550220. 2025. PMID: 40114965.

[2] Wu D, Tang Y, Li X, Xiong S, Zhang Z et al.. Characterization of protein lactylation in healthy and ischemic mouse hearts.. Front Cardiovasc Med 12:1644886. 2025. PMID: 41089239.