>5ZAU_1|Chain A|Tyrosine-protein kinase Fyn|Homo sapiens (9606) TLFVALYDYEARTEDDLSFHKGEKFQILNSSEGDWWEARSLTTGETGYIPSNYVAPV >5ZAU_2|Chain B|Monobody Binder|Sulfolobus solfataricus (2287) MATVKFKYKGEEKQVDISKIVFVTRYGKQIFFRYDLGGGKPGFGVVSEKDAPKELLQKLEKQKK