Protein
Purple acid phosphatase 15
Organism
Arabidopsis thaliana
Function
Acid phosphatase activity with p-nitrophenyl phosphate (pNPP), D-myoinositol 1-phosphate (Ins(1)P1), phytic acid and Myo-inositol hexakisphosphate. Low or no activity with Glc-6-P and ATP. Confers shoot growth stimulation, enhanced salt and osmotic stress tolerance, and ABA insensitivity. May modulate ascorbic acid (AsA) levels by controlling the input of myoinositol into this branch of AsA biosynthesis.
Similarity
Belongs to the metallophosphoesterase superfamily. Purple acid phosphatase family.
Sequence
MTFLLLLLFCFLSPAISSAHSIPSTLDGPFVPVTVPLDTSLRGQAIDLPDTDPRVRRRVIGFEPEQISLSLSSDHDSIWVSWITGEFQIGKKVKPLDPTSINSVVQFGTLRHSLSHEAKGHSLVYSQLYPFDGLLNYTSGIIHHVRITGLKPSTIYYYRCGDPSRRAMSKIHHFRTMPVSSPSSYPGRIAVVGDLGLTYNTTDTISHLIHNSPDLILLIGDVSYANLYLTNGTSSDCYSCSFPETPIHETYQPRWDYWGRFMENLTSKVPLMVIEGNHEIELQAENKTFEAYSSRFAFPFNESGSSSTLYYSFNAGGIHFVMLGAYIAYDKSAEQYEWLKKDLAKVDRSVTPWLVASWHPPWYSSYTAHYREAECMKEAMEELLYSYGTDIVFNGHVHAYERSNRVYNYELDPCGPVYIVIGDGGNREKMAIEHADDPGKCPEPLTTPDPVMGGFCAWNFTPSDKFCWDRQPDYSALRESSFGHGILEMKNETWALWTWYRNQDSSSEVGDQIYIVRQPDRCPLHHRLVNHC