ID PDXH_CYAP4 Reviewed; 213 AA. AC B8HMK7; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 03-MAR-2009, sequence version 1. DT 27-MAR-2024, entry version 77. 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=Cyan7425_1243; OS Cyanothece sp. (strain PCC 7425 / ATCC 29141). OC Bacteria; Cyanobacteriota; Cyanophyceae; Gomontiellales; Cyanothecaceae; OC Cyanothece. OX NCBI_TaxID=395961; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=PCC 7425 / ATCC 29141; RX PubMed=21972240; DOI=10.1128/mbio.00214-11; RA Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H., RA Sherman L.A., Pakrasi H.B.; RT "Novel metabolic attributes of the genus Cyanothece, comprising a group of RT unicellular nitrogen-fixing Cyanobacteria."; RL MBio 2:E214-E214(2011). 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; CP001344; ACL43622.1; -; Genomic_DNA. DR AlphaFoldDB; B8HMK7; -. DR SMR; B8HMK7; -. DR STRING; 395961.Cyan7425_1243; -. DR KEGG; cyn:Cyan7425_1243; -. DR eggNOG; COG0259; Bacteria. DR HOGENOM; CLU_032263_2_2_3; -. DR OrthoDB; 9780392at2; -. DR UniPathway; UPA01068; UER00304. DR UniPathway; UPA01068; UER00305. 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..213 FT /note="Pyridoxine/pyridoxamine 5'-phosphate oxidase" FT /id="PRO_1000186301" FT BINDING 9..12 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 62..67 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 67 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 77..78 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 83 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 84 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 106 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 124 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 128 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 132 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 141..142 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 186 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 192..194 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" FT BINDING 196 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629" SQ SEQUENCE 213 AA; 24909 MW; A3499CDF6FC46BA4 CRC64; MTISISDLRK DYRQQSLSET EVDPNPLQQF QTWFKQAIEA EILEPNAMTL ATLSREGKPA ARIVLLKEVD DRGFTFFTNY KSRKGEELAH DPWAALVFWW AELERQVRIE GSVSQVSAAD SDRYFSSRPW GSRLGAWASE QSKAITGREV LEQNLRALEQ EYRDREVPRP PHWGGYRLSP TLIEFWQGRP NRLHDRLCYR LQGDQWQLER LSP //