Provided below are ELISA kits targeting protein phosphatase 3 regulatory subunit B, beta, a human protein encoded by PPP3R2. This protein is 170 amino acids long, with a mass of 19.5 kDa, and is a member of the Calcineurin regulatory subunit family. Other alias names for this protein include: calcineurin subunit B type 2, CBLP, CNBII, calcineurin B type II (19kDa), calcineurin BII, protein phosphatase 2B regulatory subunit 2, and protein phosphatase 3 (formerly 2B) regulatory subunit B (19kD) beta isoform (calcineurin B type II).