PDXH_SYNY3
ID PDXH_SYNY3 Reviewed; 214 AA.
AC P74211; Q55239;
DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT 24-JAN-2006, sequence version 2.
DT 03-AUG-2022, entry version 138.
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;
GN OrderedLocusNames=sll1440;
OS Synechocystis sp. (strain PCC 6803 / Kazusa).
OC Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC unclassified Synechocystis.
OX NCBI_TaxID=1111708;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 6803 / Kazusa;
RX PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT "Sequence analysis of the genome of the unicellular cyanobacterium
RT Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT genome and assignment of potential protein-coding regions.";
RL DNA Res. 3:109-136(1996).
RN [2]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 178-214.
RX PubMed=7524725; DOI=10.1007/bf00039536;
RA Sakamoto T., Los D.A., Higashi S., Wada H., Nishida I., Ohmori M.,
RA Murata N.;
RT "Cloning of omega 3 desaturase from cyanobacteria and its use in altering
RT the degree of membrane-lipid unsaturation.";
RL Plant Mol. Biol. 26:249-263(1994).
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=BAA18303.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; BA000022; BAA18303.1; ALT_INIT; Genomic_DNA.
DR EMBL; D13780; BAA02923.1; -; Genomic_DNA.
DR PIR; S75844; S75844.
DR AlphaFoldDB; P74211; -.
DR SMR; P74211; -.
DR IntAct; P74211; 3.
DR STRING; 1148.1653389; -.
DR PaxDb; P74211; -.
DR EnsemblBacteria; BAA18303; BAA18303; BAA18303.
DR KEGG; syn:sll1440; -.
DR eggNOG; COG0259; Bacteria.
DR InParanoid; P74211; -.
DR OMA; EINDANA; -.
DR PhylomeDB; P74211; -.
DR UniPathway; UPA01068; UER00304.
DR UniPathway; UPA01068; UER00305.
DR Proteomes; UP000001425; Chromosome.
DR GO; GO:0010181; F:FMN binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004733; F:pyridoxamine-phosphate oxidase activity; IBA:GO_Central.
DR GO; GO:0042823; P:pyridoxal phosphate biosynthetic process; IBA:GO_Central.
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 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_0000167763"
FT BINDING 10..13
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 63..68
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 68
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 78..79
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 85
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 107
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 125
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 129
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 133
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 142..143
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
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"
FT BINDING 193..195
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
FT BINDING 197
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01629"
SQ SEQUENCE 214 AA; 24587 MW; 7516345395EE481C CRC64;
MDGVSLADLR LNYTQGGLIE AEVADHPFAQ FHIWLQQAIA AELPEPNAMT LSTLSEEGHP
VGRMVLLKGL DERGFVFYTN YDSAKGQQLT AHPWAGLVFW WAALERQVRV DGQVEKIDPA
ESDAYFQSRP RGSQLGAWAS PQSRIVGDRQ ELEDNLARWE KQYENQSIPR PPHWGGFRVI
PHRIEFWQGR PSRLHDRLQF NLLDGQWHRQ RLAP
