PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2026258-2 1991 This method takes advantage of the fact that the protein remains soluble in 2.5% perchloric acid (PCA) and that it binds to a calmodulin-Sepharose column in the absence of calcium: Other PKC substrate proteins that remain to be identified were also found to share these two properties, suggesting that a class of calmodulin-binding PKC substrates may exist in the brain. Sepharose 137-146 calmodulin Bos taurus 126-136