ID PDXH_ECO24 Reviewed; 218 AA. AC A7ZMA0; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 23-OCT-2007, sequence version 1. DT 27-MAR-2024, entry version 87. DE RecName: Full=Pyridoxine/pyridoxamine 5'-phosphate oxidase {ECO:0000255|HAMAP-Rule:MF_01629}; DE EC=1.4.3.5 {ECO:0000255|HAMAP-Rule:MF_01629}; DE AltName: Full=PNP/PMP oxidase {ECO:0000255|HAMAP-Rule:MF_01629}; DE Short=PNPOx {ECO:0000255|HAMAP-Rule:MF_01629}; DE AltName: Full=Pyridoxal 5'-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_01629}; GN Name=pdxH {ECO:0000255|HAMAP-Rule:MF_01629}; GN OrderedLocusNames=EcE24377A_1848; OS Escherichia coli O139:H28 (strain E24377A / ETEC). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Escherichia. OX NCBI_TaxID=331111; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=E24377A / ETEC; RX PubMed=18676672; DOI=10.1128/jb.00619-08; RA Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F., RA Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R., RA Henderson I.R., Sperandio V., Ravel J.; RT "The pangenome structure of Escherichia coli: comparative genomic analysis RT of E. coli commensal and pathogenic isolates."; RL J. Bacteriol. 190:6881-6893(2008). CC -!- FUNCTION: Catalyzes the oxidation of either pyridoxine 5'-phosphate CC (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-phosphate CC (PLP). {ECO:0000255|HAMAP-Rule:MF_01629}. CC -!- CATALYTIC ACTIVITY: CC Reaction=H2O + O2 + pyridoxamine 5'-phosphate = H2O2 + NH4(+) + CC pyridoxal 5'-phosphate; Xref=Rhea:RHEA:15817, ChEBI:CHEBI:15377, CC ChEBI:CHEBI:15379, ChEBI:CHEBI:16240, ChEBI:CHEBI:28938, CC ChEBI:CHEBI:58451, ChEBI:CHEBI:597326; EC=1.4.3.5; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01629}; CC -!- CATALYTIC ACTIVITY: CC Reaction=O2 + pyridoxine 5'-phosphate = H2O2 + pyridoxal 5'-phosphate; CC Xref=Rhea:RHEA:15149, ChEBI:CHEBI:15379, ChEBI:CHEBI:16240, CC ChEBI:CHEBI:58589, ChEBI:CHEBI:597326; EC=1.4.3.5; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01629}; CC -!- COFACTOR: CC Name=FMN; Xref=ChEBI:CHEBI:58210; Evidence={ECO:0000255|HAMAP- CC Rule:MF_01629}; CC Note=Binds 1 FMN per subunit. {ECO:0000255|HAMAP-Rule:MF_01629}; CC -!- PATHWAY: Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxal CC 5'-phosphate from pyridoxamine 5'-phosphate: step 1/1. CC {ECO:0000255|HAMAP-Rule:MF_01629}. CC -!- PATHWAY: Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxal CC 5'-phosphate from pyridoxine 5'-phosphate: step 1/1. CC {ECO:0000255|HAMAP-Rule:MF_01629}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01629}. CC -!- SIMILARITY: Belongs to the pyridoxamine 5'-phosphate oxidase family. CC {ECO:0000255|HAMAP-Rule:MF_01629}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000800; ABV21134.1; -; Genomic_DNA. DR RefSeq; WP_001282311.1; NC_009801.1. DR AlphaFoldDB; A7ZMA0; -. DR SMR; A7ZMA0; -. DR GeneID; 75204483; -. DR KEGG; ecw:EcE24377A_1848; -. DR HOGENOM; CLU_032263_2_2_6; -. DR UniPathway; UPA01068; UER00304. DR UniPathway; UPA01068; UER00305. DR Proteomes; UP000001122; Chromosome. DR GO; GO:0010181; F:FMN binding; IEA:UniProtKB-UniRule. DR GO; GO:0004733; F:pyridoxamine phosphate oxidase activity; IEA:UniProtKB-UniRule. DR GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-KW. DR HAMAP; MF_01629; PdxH; 1. DR InterPro; IPR000659; Pyridox_Oxase. DR InterPro; IPR019740; Pyridox_Oxase_CS. DR InterPro; IPR011576; Pyridox_Oxase_put. DR InterPro; IPR019576; Pyridoxamine_oxidase_dimer_C. DR InterPro; IPR012349; Split_barrel_FMN-bd. DR NCBIfam; TIGR00558; pdxH; 1. DR PANTHER; PTHR10851:SF0; PYRIDOXINE-5'-PHOSPHATE OXIDASE; 1. DR PANTHER; PTHR10851; PYRIDOXINE-5-PHOSPHATE OXIDASE; 1. DR Pfam; PF10590; PNP_phzG_C; 1. DR Pfam; PF01243; Putative_PNPOx; 1. DR PIRSF; PIRSF000190; Pyd_amn-ph_oxd; 1. DR SUPFAM; SSF50475; FMN-binding split barrel; 1. DR PROSITE; PS01064; PYRIDOX_OXIDASE; 1. PE 3: Inferred from homology; KW Flavoprotein; FMN; Oxidoreductase; Pyridoxine biosynthesis; KW Reference proteome. FT CHAIN 1..218 FT /note="Pyridoxine/pyridoxamine 5'-phosphate oxidase" FT /id="PRO_1000069691" FT BINDING 14..17 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 67..72 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 72 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 82..83 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 88 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 89 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 111 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 129 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 133 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 137 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 146..147 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 191 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 197..199 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 201 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" SQ SEQUENCE 218 AA; 25573 MW; D4E7CB0742CF5A39 CRC64; MSDNDELQQI AHLRREYTKG GLRRRDLPAD PLTLFERWLS QACEAKLADP TAMVVATVDE HAQPYQRIVL LKHYDEKGMV FYTNLGSRKA HQIENNPRVS LLFPWHTLER QVMVIGKAER LSTLEVMKYF HSRPRDSQIG AWVSKQSSRI SARGILESKF LELKQKFQQG EVPLPSFWGG FRISLEQIEF WQGGEHRLHD RFLYQRENDA WKIDRLAP //