NCIt definition : Ubiquitous heterodimeric human Calcineurin is Ca(2 )/calmodulin-regulated protein
phosphatase involved in many biologic activities as a modifier of phosphorylation
status. Composed of widely expressed or tissue-restricted 55-60-kDa calmodulin-binding
catalytic subunit (PPP Phosphatase/PP-2B Family) and conserved 19-kD Ca(2 )-sensitive
regulatory subunit, Calcineurin appears to regulate glycolytic metabolism, nuclear
translocation of NFATC1 transcription factor, sperm motility, and dopaminergic signal
transduction and NMDA receptor-dependent synaptic plasticity. (NCI);