>1Z3M_1|Chain A[auth S]|Ribonuclease pancreatic, S-Peptide|null KETAAAKVERQHLDS >1Z3M_2|Chain B[auth E]|Ribonuclease pancreatic, S-protein|Bos taurus (9913) SSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV