>3BCP_1|Chains A, B, C, D|Seminal ribonuclease|Bos taurus (9913) KESAAAKFERQHMDSGNSASSSSNYCNQMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKDGQTNCYQSKSTMRITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV