Function as phospholipase selective for phosphatidylcholine (By similarity). Implicated as a critical step in numerous cellular pathways, including signal transduction, membrane trafficking, and the regulation of mitosis. May be involved in the regulation of perinuclear intravesicular membrane traffic (By similarity). {By
SimilarityUniProtKB:Q13393, By
SimilarityUniProtKB:Q9Z280}.