>4H7B_1|Chain A|Thermonuclease|Staphylococcus aureus (1280) ATSTKKLHKEPATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPETKHPKKGVEKYGPEASAFTKKMVENAKKVEVEFDKGQRTDKYGRGLAYIYADGKMLNEALVRQGLAKVAYVYKPNNTHEQHLRKSEAQAKKEKLNIWSEDNADSGQ