Seems to be involved in regulation of apoptosis. May be involved in detachment-mediated programmed cell death. May mediate apoptosis during neuronal development. May be involved in regulation of anti-apoptotic effects of IGF1. Required for TCR-induced apoptosis and expression of TNFRSF6/FAS in a T-cell hybridoma cell line. May be involved in translational regulation. Interacts with RPL14, EIF3S7 and PABPC4. Colocalizes with intracellular vesicles. Widely expressed with very high levels in adult liver and high levels in adult lung. According to PubMed:10428057 expressed at low levels in liver. Expressed at increased levels in atherosclerotic lesions observed in hyperhomocysteinema. Induced by IGF-I.