ID   PDXH_ACAM1              Reviewed;         219 AA.
AC   B0C079;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
DT   27-MAR-2024, entry version 88.
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=AM1_4597;
OS   Acaryochloris marina (strain MBIC 11017).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Acaryochloridales;
OC   Acaryochloridaceae; Acaryochloris.
OX   NCBI_TaxID=329726;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MBIC 11017;
RX   PubMed=18252824; DOI=10.1073/pnas.0709772105;
RA   Swingley W.D., Chen M., Cheung P.C., Conrad A.L., Dejesa L.C., Hao J.,
RA   Honchak B.M., Karbach L.E., Kurdoglu A., Lahiri S., Mastrian S.D.,
RA   Miyashita H., Page L., Ramakrishna P., Satoh S., Sattley W.M., Shimada Y.,
RA   Taylor H.L., Tomo T., Tsuchiya T., Wang Z.T., Raymond J., Mimuro M.,
RA   Blankenship R.E., Touchman J.W.;
RT   "Niche adaptation and genome expansion in the chlorophyll d-producing
RT   cyanobacterium Acaryochloris marina.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:2005-2010(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}.
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DR   EMBL; CP000828; ABW29571.1; -; Genomic_DNA.
DR   RefSeq; WP_012164875.1; NC_009925.1.
DR   AlphaFoldDB; B0C079; -.
DR   SMR; B0C079; -.
DR   STRING; 329726.AM1_4597; -.
DR   KEGG; amr:AM1_4597; -.
DR   eggNOG; COG0259; Bacteria.
DR   HOGENOM; CLU_032263_2_2_3; -.
DR   OrthoDB; 9780392at2; -.
DR   UniPathway; UPA01068; UER00304.
DR   UniPathway; UPA01068; UER00305.
DR   Proteomes; UP000000268; 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..219
FT                   /note="Pyridoxine/pyridoxamine 5'-phosphate oxidase"
FT                   /id="PRO_0000335775"
FT   BINDING         15..18
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         68..73
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         73
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         83..84
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         90
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         112
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         130
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         134
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         138
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         147..148
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         192
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         198..200
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT   BINDING         202
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
SQ   SEQUENCE   219 AA;  25529 MW;  20CC2DECB88A2623 CRC64;
     MSLIDPTQTS ISDLRRDYRQ QALLETEVNA NPILQFQSWF EQAVQAELPE PNAMTLATVS
     ADSQPSARMV LLKGFDQQGF IFYTNYLSRK GQDLAQRPWA ALVFWWAELE RQVRIEGKVV
     KVSDSETKAY FESRPRGSQL GAWASDQSQV IGDRDILDQR LQALEQKYQN QPIPRPPHWG
     GYRVTPHLIE FWQGRTSRLH DRLCYRYSDQ EWILERLSP
//