ID   PDXH_FLAJ1              Reviewed;         214 AA.
AC   A5FB76;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-2007, sequence version 1.
DT   04-NOV-2026, entry version 103.
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=Fjoh_4542;
OS   Flavobacterium johnsoniae (strain ATCC 17061 / DSM 2064 / JCM 8514 / BCRC
OS   14874 / CCUG 350202 / NBRC 14942 / NCIMB 11054 / UW101) (Cytophaga
OS   johnsonae).
OC   Bacteria; Pseudomonadati; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Flavobacterium.
OX   NCBI_TaxID=376686;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17061 / DSM 2064 / JCM 8514 / BCRC 14874 / CCUG 350202 /
RC   NBRC 14942 / NCIMB 11054 / UW101;
RX   PubMed=19717629; DOI=10.1128/aem.01495-09;
RA   McBride M.J., Xie G., Martens E.C., Lapidus A., Henrissat B., Rhodes R.G.,
RA   Goltsman E., Wang W., Xu J., Hunnicutt D.W., Staroscik A.M., Hoover T.R.,
RA   Cheng Y.Q., Stein J.L.;
RT   "Novel features of the polysaccharide-digesting gliding bacterium
RT   Flavobacterium johnsoniae as revealed by genome sequence analysis.";
RL   Appl. Environ. Microbiol. 75:6864-6875(2009).
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=pyridoxamine 5'-phosphate + O2 + H2O = pyridoxal 5'-phosphate
CC         + H2O2 + NH4(+); 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=pyridoxine 5'-phosphate + O2 = pyridoxal 5'-phosphate + H2O2;
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}.
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DR   EMBL; CP000685; ABQ07541.1; -; Genomic_DNA.
DR   RefSeq; WP_012026507.1; NC_009441.1.
DR   AlphaFoldDB; A5FB76; -.
DR   SMR; A5FB76; -.
DR   STRING; 376686.Fjoh_4542; -.
DR   GeneID; 31767465; -.
DR   KEGG; fjo:Fjoh_4542; -.
DR   eggNOG; COG0259; Bacteria.
DR   HOGENOM; CLU_032263_2_2_10; -.
DR   OMA; AAANFKW; -.
DR   OrthoDB; 9780392at2; -.
DR   UniPathway; UPA01068; UER00304.
DR   UniPathway; UPA01068; UER00305.
DR   Proteomes; UP000006694; 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:InterPro.
DR   FunFam; 2.30.110.10:FF:000020; PNPO isoform 11; 1.
DR   Gene3D; 2.30.110.10; Electron Transport, Fmn-binding Protein, Chain A; 1.
DR   HAMAP; MF_01629; PdxH; 1.
DR   InterPro; IPR000659; Pyridox_Oxase.
DR   InterPro; IPR019740; Pyridox_Oxase_CS.
DR   InterPro; IPR011576; Pyridox_Oxase_N.
DR   InterPro; IPR019576; Pyridoxamine_oxidase_dimer_C.
DR   InterPro; IPR012349; Split_barrel_FMN-bd.
DR   NCBIfam; TIGR00558; pdxH; 1.
DR   NCBIfam; NF004231; PRK05679.1; 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; PNPOx_N; 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..214
FT                   /note="Pyridoxine/pyridoxamine 5'-phosphate oxidase"
FT                   /id="PRO_0000335784"
FT   BINDING         8..11
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         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   214 AA;  24671 MW;  7A433F3EB79D4BC6 CRC64;
     MNDLSNYRKS YEKSELLETN IPEDPINLFN RWFHEVEDFG GSGEVNAMTV STIGLDGFPK
     SRVVLLKKFS EEGFIFYTNY NSEKGKAIEA NPNVCLSFFW QEAERQVIIK GIAQKTSEII
     SDNYFDSRPD GSKLGAIVSH QSEVIPSRTF LEENLKKLEA EFEGKPIPRP ENWGGYLVTP
     LQVEFWQGRP NRLHDRIRYT SQSDFSWTIE RLSS
//