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Overview

Uniprot IDG3V647
Protein NamePyridoxal kinase
Gene NamePdxk
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
161 AELLSGRKIHSQEEA
209 LGSQRMRKPDGSTVT

Function

Catalyzes the phosphorylation of the dietary vitamin B6 vitamers pyridoxal (PL), pyridoxine (PN) and pyridoxamine (PM) to form pyridoxal 5'-phosphate (PLP), pyridoxine 5'-phosphate (PNP) and pyridoxamine 5'-phosphate (PMP), respectively. PLP is the active form of vitamin B6, and acts as a cofactor for over 140 different enzymatic reactions

Protein Sequence

10 MEGECRVLSI 20 QSHVVRGYVG 30 NRAAMFPLQV 40 LGFEVDAVNS 50 VQFSNHTGYA 60 HWKGQVLTSQ 70 ELHALYEGLK 80 ANSVNKYDYV 90 LTGYTRDKSF 100 LGMVVDIVQE 110 LKQQNSRLVY 120 VCDPVMGDKW 130 NGEGSMYVPQ 140 DLLPVYREKV 150 VPMADIITPN 160 QFEAELLSGR 170 KIHSQEEAFA 180 VMDVLHRMGP 190 DTVVITSSDL 200 PSPKGSDYLM 210 ALGSQRMRKP 220 DGSTVTQRIR 230 MEMRKVDAVF 240 VGTGDLFAAM 250 LLAWTHKHPD 260 NLKVACEKTV 270 SAMQHVLQRT 280 IRCAKAEAGE 290 GQKPSPAQLE 300 LRMVQSRKDI 310 EDPEIVVQAT VL

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0008478 pyridoxal kinase activity
Biological Process GO:0009443 pyridoxal 5'-phosphate salvage

Reference

[1] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.