※ dbPPT Protein Information

TagContent
UniProt Accession
Theoretical PI
6.89 
Molecular Weight
22619.53 
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Pyridoxine/pyridoxamine 5'-phosphate oxidase 2; AtPPOX1 
Gene Name
PPOX2; At2g46580; F13A10.11 
Created Date
2013-01-09 
Organism
Arabidopsis thaliana(Mouse-ear cress) 
NCBI Taxa ID
3702 
Phosphorylation Sites
Position
Peptide
Source
References
130
RLIYVCPTPGSPCNS
dbPPT, P3DB, PhosPhAt
[5, 6, 7]
133
YVCPTPGSPCNSEQS
dbPPT, P3DB, PhosPhAt
[1, 2, 3, 4, 5, 6, 7]
Functional Description
Catalyzes the oxidation of either pyridoxine 5'-phosphate (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-phosphate (PLP). Has an in vitro catalytic efficiency for PNP approximately 300-fold lower than that of PPOX1. 
Sequence Annotation
chain 1 198 Pyridoxine/pyridoxamine 5'-phosphate oxidase 2
nucleotide phosphate-binding region 59 60 FMN
nucleotide phosphate-binding region 121 122 FMN
compositionally biased region 158 161 Poly-Leu
binding site 42 FMN
binding site 66 FMN
Keyword
Complete proteome,Flavoprotein,FMN,Oxidoreductase,Pyridoxine biosynthesis,Reference proteome 
Sequence Source
UniProt 
Protein Sequence
MGTHVAPWKQ LLFGAIEANS HLSHSSYVQL ATIGLNGRPS NRTVVFRGFE ENSDRIQINT 60
DLRSRKIEEL KHCPFSEMCW YFSDTWEQFR INGRIEVIDA SNPDQTKLQQ REKAWFANSL 120
RSRLIYVCPT PGSPCNSEQS SQQVKLDPSS GPVPEYCLLL LEPEKVDYLN LKTNQRLFFS 180
SMATGTGEKC WTSEKVNP 198 
Gene Ontology
GO:0010181; F: FMN binding; IEA: InterPro
GO:0004733; F: pyridoxamine-phosphate oxidase activity; IDA: UniProtKB
GO:0009443; P: pyridoxal 5'-phosphate salvage; IDA: UniProtKB
GO:0008615; P: pyridoxine biosynthetic process; IEA: UniProtKB-KW 
Interpro
InterPro; IPR000659; Pyridox_Oxase
InterPro; IPR024624; Pyridox_Oxase_Alr4036_FMN-bd
InterPro; IPR024015; Pyridox_Oxase_FMN-dep_Alr4036
InterPro; IPR012349; Split_barrel_FMN-bd
Pfam
Pfam; PF12766; Pyridox_oxase_2 
SMART
 
PROSITE
 
PRINTS