>4K5W_1|Chain A|Thermonuclease|Staphylococcus aureus (1280) ATSTKKLHKEPATLIKAIDGDTMKFMYKGQPMTFRLLLVDTPETKHPKKGVEKYGPEASAFFKKMVENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALVRQGLAKVAYVYKPNNTHEQHLRKSEAQAKKEKLNIWSEDNADSGQ