>1RBF_1|Chain A[auth S]|RIBONUCLEASE S (S-PEPTIDE)|Bos taurus (9913) KETAAAKFERQHGDSX >1RBF_2|Chain B[auth A]|RIBONUCLEASE S (S-PROTEIN)|Bos taurus (9913) SSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV