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Overview

Uniprot IDQ9NVS9
Protein NamePyridoxine-5'-phosphate oxidase
Gene NamePNPO
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
100 SARMLLLKGFGKDGF
148 RVEGPVKKLPEEEAE
163 CYFHSRPKSSQIGAV
187 DREYLRKKNEELEQL

Function

Catalyzes the oxidation of either pyridoxine 5'-phosphate (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-phosphate (PLP)

Protein Sequence

10 MTCWLRGVTA 20 TFGRPAEWPG 30 YLSHLCGRSA 40 AMDLGPMRKS 50 YRGDREAFEE 60 THLTSLDPVK 70 QFAAWFEEAV 80 QCPDIGEANA 90 MCLATCTRDG 100 KPSARMLLLK 110 GFGKDGFRFF 120 TNFESRKGKE 130 LDSNPFASLV 140 FYWEPLNRQV 150 RVEGPVKKLP 160 EEEAECYFHS 170 RPKSSQIGAV 180 VSHQSSVIPD 190 REYLRKKNEE 200 LEQLYQDQEV 210 PKPKSWGGYV 220 LYPQVMEFWQ 230 GQTNRLHDRI 240 VFRRGLPTGD 250 SPLGPMTHRG 260 EEDWLYERLA P

Gene Ontology

Classification GO ID Description
Biological Process GO:0042823 pyridoxal phosphate biosynthetic process
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005739 mitochondrion
Molecular Function GO:0010181 FMN binding
Molecular Function GO:0042803 protein homodimerization activity
Molecular Function GO:0030170 pyridoxal phosphate binding
Molecular Function GO:0004733 pyridoxamine phosphate oxidase activity
Biological Process GO:0008615 pyridoxine biosynthetic process

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.