>1RBD_1|Chain A[auth S]|RIBONUCLEASE S (S-PEPTIDE)|Bos taurus (9913) KETAAAKFERQHADSX >1RBD_2|Chain B[auth A]|RIBONUCLEASE S (S-PROTEIN)|Bos taurus (9913) SSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV