>1ysd_B mol:protein length:161 Cytosine deaminase GSSMVTGGMASKWDQKGMDIAYEEALLGYKEGGVPIGGCLINNKDGSVLGRGHNMRFQK GSATLHGEISTLENCGRLEGKVYKDTTLYTTLSPCDMCTGAIIMYGIPRCVVGENVNFK SKGEKYLQTRGHEVVVVDDERCKKLMKQFIDERPQDWFEDIGE