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PAPP5

Gene
PAPP5
Protein
Serine/threonine-protein phosphatase 5
Organism
Arabidopsis thaliana
Length
538 amino acids
Function
Isoform 2 dephosphorylates phosphorylated phytochromes, with a preference toward Pfr forms, and enhances phytochrome-mediated photoresponses, probably by enhancing their stability and their binding affinity for light signal transducers such as NDPK2. Can use para-nitrophenylphosphate (pNPP) as substrate.
Similarity
Belongs to the PPP phosphatase family. PP-5 (PP-T) subfamily.
Mass
60.283 kDa
Sequence
METKNENSDVSRAEEFKSQANEAFKGHKYSSAIDLYTKAIELNSNNAVYWANRAFAHTKLEEYGSAIQDASKAIEVDSRYSKGYYRRGAAYLAMGKFKDALKDFQQVKRLSPNDPDATRKLKECEKAVMKLKFEEAISVPVSERRSVAESIDFHTIGNKPRSSSMPTKTALAAVVAAVMVVAVRGFATTEILMVLVSVVLGTFWWGSFSGKVEPQYSGARIEGEEVTLDFVKTMMEDFKNQKTLHKRYAYQIVLQTRQILLALPSLVDISVPHGKHITVCGDVHGQFYDLLNIFELNGLPSEENPYLFNGDFVDRGSFSVEIILTLFAFKCMCPSSIYLARGNHESKSMNKIYGFEGEVRSKLSEKFVDLFAEVFCYLPLAHVINGKVFVVHGGLFSVDGVKLSDIRAIDRFCEPPEEGLMCELLWSDPQPLPGRGPSKRGVGLSFGGDVTKRFLQDNNLDLLVRSHEVKDEGYEVEHDGKLITVFSAPNYCDQMGNKGAFIRFEAPDMKPNIVTFSAVPHPDVKPMAYANNFLRMFN