PDXH_MYXXA
ID PDXH_MYXXA Reviewed; 220 AA.
AC P21159;
DT 01-MAY-1991, integrated into UniProtKB/Swiss-Prot.
DT 24-JAN-2006, sequence version 2.
DT 03-AUG-2022, entry version 117.
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}; Synonyms=fprA;
OS Myxococcus xanthus.
OC Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC Cystobacterineae; Myxococcaceae; Myxococcus.
OX NCBI_TaxID=34;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=2152896; DOI=10.1128/jb.172.1.15-23.1990;
RA Hagen T.J., Shimkets L.J.;
RT "Nucleotide sequence and transcriptional products of the csg locus of
RT Myxococcus xanthus.";
RL J. Bacteriol. 172:15-23(1990).
RN [2]
RP FMN-BINDING.
RX PubMed=2152902; DOI=10.1128/jb.172.1.24-30.1990;
RA Shimkets L.J.;
RT "The Myxococcus xanthus FprA protein causes increased flavin biosynthesis
RT in Escherichia coli.";
RL J. Bacteriol. 172:24-30(1990).
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;
CC Evidence={ECO:0000255|HAMAP-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 -!- SEQUENCE CAUTION:
CC Sequence=AAA25392.2; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; L27429; AAA25392.2; ALT_INIT; Genomic_DNA.
DR PIR; S36092; S36092.
DR PIR; T10126; T10126.
DR RefSeq; WP_011551412.1; NZ_FNOH01000002.1.
DR AlphaFoldDB; P21159; -.
DR SMR; P21159; -.
DR GeneID; 41358741; -.
DR OMA; PEPNAMV; -.
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 Gene3D; 2.30.110.10; -; 1.
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 PANTHER; PTHR10851; PTHR10851; 1.
DR Pfam; PF10590; PNP_phzG_C; 1.
DR Pfam; PF01243; Putative_PNPOx; 1.
DR PIRSF; PIRSF000190; Pyd_amn-ph_oxd; 1.
DR TIGRFAMs; TIGR00558; pdxH; 1.
DR PROSITE; PS01064; PYRIDOX_OXIDASE; 1.
PE 1: Evidence at protein level;
KW Flavoprotein; FMN; Oxidoreductase; Pyridoxine biosynthesis.
FT CHAIN 1..220
FT /note="Pyridoxine/pyridoxamine 5'-phosphate oxidase"
FT /id="PRO_0000167724"
FT BINDING 69..74
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 74
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 84..85
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 91
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 113
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 131
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 135
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 139
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 148..149
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 193
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 199..201
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 203
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
SQ SEQUENCE 220 AA; 25285 MW; 656A388822028C2D CRC64;
MRTLTCVPDE STAKVHTCRA PFMLHRVMIP PDPIQRFAEL FERAKQAIAV DPNAMVVATV
GDDGRPSARV VLLKDFDARG FVFYTNHESR KGREARAHPY AALCFYWQPL NEQVRVEGRV
ERVTDAEADA YFQSRARGSQ VGAWASLQSQ PLATREELEA RVAEVEQKYA GQPVPRPPHW
SGFRVVPDRI EFWHAQESRL HDRHVYLRED GGWRTQMLYP
