PNPO_DICDI
ID PNPO_DICDI Reviewed; 227 AA.
AC Q54YS6;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 24-MAY-2005, sequence version 1.
DT 03-AUG-2022, entry version 98.
DE RecName: Full=Pyridoxine-5'-phosphate oxidase;
DE EC=1.4.3.5 {ECO:0000250|UniProtKB:Q9NVS9};
DE AltName: Full=Pyridoxamine-phosphate oxidase;
GN Name=pnpo; ORFNames=DDB_G0278107;
OS Dictyostelium discoideum (Slime mold).
OC Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC Dictyosteliaceae; Dictyostelium.
OX NCBI_TaxID=44689;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AX4;
RX PubMed=15875012; DOI=10.1038/nature03481;
RA Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R.,
RA Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B.,
RA Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T.,
RA Lehmann R., Hamlin N., Davies R., Gaudet P., Fey P., Pilcher K., Chen G.,
RA Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N.,
RA Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E.,
RA Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N.,
RA Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D.,
RA Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T.,
RA Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D.,
RA Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A.,
RA Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M.,
RA Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A.,
RA Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y.,
RA Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C.,
RA Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R.,
RA Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.;
RT "The genome of the social amoeba Dictyostelium discoideum.";
RL Nature 435:43-57(2005).
CC -!- FUNCTION: Catalyzes the oxidation of either pyridoxine 5'-phosphate
CC (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-phosphate
CC (PLP). {ECO:0000250|UniProtKB:Q9NVS9}.
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:0000250|UniProtKB:Q9NVS9};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:15818;
CC Evidence={ECO:0000250|UniProtKB:Q9NVS9};
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:0000250|UniProtKB:Q9NVS9};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:15150;
CC Evidence={ECO:0000250|UniProtKB:Q9NVS9};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000250|UniProtKB:Q9NVS9};
CC Note=Binds 1 FMN per subunit. {ECO:0000250|UniProtKB:Q9NVS9};
CC -!- PATHWAY: Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxal
CC 5'-phosphate from pyridoxamine 5'-phosphate: step 1/1.
CC {ECO:0000250|UniProtKB:Q9NVS9}.
CC -!- PATHWAY: Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxal
CC 5'-phosphate from pyridoxine 5'-phosphate: step 1/1.
CC {ECO:0000250|UniProtKB:Q9NVS9}.
CC -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:Q9NVS9}.
CC -!- SIMILARITY: Belongs to the pyridoxamine 5'-phosphate oxidase family.
CC {ECO:0000305}.
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DR EMBL; AAFI02000023; EAL68226.1; -; Genomic_DNA.
DR RefSeq; XP_642126.1; XM_637034.1.
DR AlphaFoldDB; Q54YS6; -.
DR SMR; Q54YS6; -.
DR STRING; 44689.DDB0231657; -.
DR PaxDb; Q54YS6; -.
DR EnsemblProtists; EAL68226; EAL68226; DDB_G0278107.
DR GeneID; 8621335; -.
DR KEGG; ddi:DDB_G0278107; -.
DR dictyBase; DDB_G0278107; -.
DR eggNOG; KOG2586; Eukaryota.
DR HOGENOM; CLU_032263_2_3_1; -.
DR InParanoid; Q54YS6; -.
DR OMA; PEPNAMV; -.
DR PhylomeDB; Q54YS6; -.
DR Reactome; R-DDI-964975; Vitamins B6 activation to pyridoxal phosphate.
DR UniPathway; UPA01068; UER00304.
DR UniPathway; UPA01068; UER00305.
DR PRO; PR:Q54YS6; -.
DR Proteomes; UP000002195; Chromosome 3.
DR GO; GO:0010181; F:FMN binding; IEA:InterPro.
DR GO; GO:0004733; F:pyridoxamine-phosphate oxidase activity; ISS:dictyBase.
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; Phosphoprotein; Pyridoxal phosphate;
KW Pyridoxine biosynthesis; Reference proteome.
FT CHAIN 1..227
FT /note="Pyridoxine-5'-phosphate oxidase"
FT /id="PRO_0000331120"
FT BINDING 20..23
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250|UniProtKB:P0AFI7"
FT BINDING 75..78
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 80
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 90..91
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 96..97
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 117
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:P0AFI7"
FT BINDING 135
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 139
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 143
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 152..153
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:Q9NVS9"
FT BINDING 197
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:P0AFI7"
FT BINDING 203..205
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250|UniProtKB:P0AFI7"
FT BINDING 207
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250|UniProtKB:P0AFI7"
SQ SEQUENCE 227 AA; 26850 MW; 3EBA15FAEED2A3FE CRC64;
MSINLDNEEL KNEDLVANMR KDYRMGELKE EGLLESPFKM FDMWLTQEIE LKNEGAEPNA
FTLATCSIER KPSARVVLLK HFDHQGFVFY TNYNSRKSKE LSENPFASMT FLWTQKQVRI
EGSVEKVDRL ESEKYFKSRP RSSQIGAWVS EFQSSEVTKQ HLEEKTIEME NKFKDQEVPL
PPFWGGWRIK PYAFEFWQGK SGRIHDRFKY VPTDSNNDNW ITKRLSP
