ID PDXH_RHILO Reviewed; 205 AA. AC Q986A0; DT 24-JAN-2006, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2001, sequence version 1. DT 27-MAR-2024, entry version 120. 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=mll7454; OS Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) OS (Mesorhizobium loti (strain MAFF 303099)). OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales; OC Phyllobacteriaceae; Mesorhizobium. OX NCBI_TaxID=266835; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=LMG 29417 / CECT 9101 / MAFF 303099; RX PubMed=11214968; DOI=10.1093/dnares/7.6.331; RA Kaneko T., Nakamura Y., Sato S., Asamizu E., Kato T., Sasamoto S., RA Watanabe A., Idesawa K., Ishikawa A., Kawashima K., Kimura T., Kishida Y., RA Kiyokawa C., Kohara M., Matsumoto M., Matsuno A., Mochizuki Y., RA Nakayama S., Nakazaki N., Shimpo S., Sugimoto M., Takeuchi C., Yamada M., RA Tabata S.; RT "Complete genome structure of the nitrogen-fixing symbiotic bacterium RT Mesorhizobium loti."; RL DNA Res. 7:331-338(2000). 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; BA000012; BAB53553.1; -; Genomic_DNA. DR RefSeq; WP_010914860.1; NC_002678.2. DR AlphaFoldDB; Q986A0; -. DR SMR; Q986A0; -. DR GeneID; 66685266; -. DR KEGG; mlo:mll7454; -. DR eggNOG; COG0259; Bacteria. DR HOGENOM; CLU_032263_2_2_5; -. DR UniPathway; UPA01068; UER00304. DR UniPathway; UPA01068; UER00305. DR Proteomes; UP000000552; 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. FT CHAIN 1..205 FT /note="Pyridoxine/pyridoxamine 5'-phosphate oxidase" FT /id="PRO_0000167746" FT BINDING 53..58 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 58 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 68..69 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 75 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 97 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 115 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 119 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 123 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 132..133 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 177 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 183..185 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 187 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" SQ SEQUENCE 205 AA; 23300 MW; 0BADE4CD312327EA CRC64; MSDTELTTSD FTEAAEPFRL FAAWLDDATK SEINDANGVA LATVDAEGMP DVRMVLLKGF DEGGFVFYTN FESAKGQEIL GSMKAAMCFH WKSLRRQVRI RGPVEIVSDA EADAYYATRP RGSRIGAWAS KQSRPLESRF ALEKAVAEYT ARYAIGEIPR PKHWSGFRIV PKTIEFWHDR PFRLHDRVVF SRNAKGDWDK ARLYP //