PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7651359-2 1995 Scatchard analysis revealed that all isotypes except PKC-zeta were able to specifically bind PDBu, with Kd values ranging from 1.6 to 18 nM in the presence of calcium. Calcium 159-166 protein kinase C zeta Homo sapiens 53-61