>1RBI_1|Chain A[auth S]|RIBONUCLEASE S (S-PEPTIDE)|Bos taurus (9913)
KETAAAKFERQHVDSX
>1RBI_2|Chain B[auth A]|RIBONUCLEASE S (S-PROTEIN)|Bos taurus (9913)
SSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV