INP51 / SJL1 notes (YIL002C, P40559)

• PI(4,5)P2 5-phosphatase PMID:9565610; inp51 cells have elevated PI(4,5)P2 PMID:9565610
• Membrane-associated PMID:9560389; mostly cytoplasmic GFP PMID:17452534
• Activated by Tax4/Irs4 PMID:15265867
• SAC domain activity reported only for Sac1, Inp52, Inp53 PMID:10224048; UniProt states Inp51 does not use PI(3,5)P2, PI3P or PI4P [UniProt:P40559]. Hence IBA GO:0043813 (PTN000878771) and derived GO:0036092 removed.
• IP3 5-phosphatase IBA (PTN002597976): not tested in yeast; over-annotation.