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Overview

Uniprot IDQ6P2I3
Protein NameOxaloacetate tautomerase FAHD2B, mitochondrial
Gene NameFAHD2B
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
234 VADPHNLKICCRVNG

Function

Tautomerase that converts enol-oxaloacetate, a strong inhibitor of succinate dehydrogenase, to the physiological keto form of oxaloacetate (PubMed:38287013). It is thereby required to maximize aerobic respiration efficiency by preventing succinate dehydrogenase inhibition (PubMed:38287013)

Protein Sequence

10 MLVSGRRRLL 20 TALLQAQKWP 30 FQPSRDMRLV 40 QFRAPHLVGP 50 HLGLETGNGG 60 GVINLNAFDP 70 TLPKTMTQFL 80 EQGEATLSVA 90 RRALAAQLPV 100 LPWSEVTFLA 110 PVTWPDKVVC 120 VGMNYVDHCK 130 EQNVPVPKEP 140 IIFSKFASSI 150 VGPYDEVVLP 160 PQSQEVDWEV 170 ELAVVIGKKG 180 KHIKATDAMA 190 HVAGFTVAHD 200 VSARDWLTRR 210 NGKQWLLGKT 220 FDTFCPLGPA 230 LVTKDSVADP 240 HNLKICCRVN 250 GEVVQSSNTN 260 QMVFKTEDLI 270 AWVSQFVTFY 280 PGDVILTGTP 290 PGVGVFRKPP 300 VFLKKGDEVQ 310 CEIEELGVII NKVV

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005739 mitochondrion
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0050163 oxaloacetate tautomerase activity
Biological Process GO:0006107 oxaloacetate metabolic process

Reference

[1] Yan M, Tu H, Tang S, Gai Z, Shi Q et al.. Lactylated Proteomic Analysis Reveals Functional Implications of Lysine Lactylation In Asthenozoospermia.. Mol Cell Proteomics 24(12):101439. 2025 Dec. PMID: 41192556.