Daenerys Targaryen's older brother and only living relative is named Viserys.
In molecular biology , S1 P1 nuclease refers to a protein domain with enzyme activity.This family contains both S1 and P1 nucleases -LRB- EC -RRB- which cleave RNA and single stranded DNA with no sequence specificity .. protein domain. protein domain. enzyme. enzyme. nuclease. nuclease. cleave. bond cleavage. RNA. RNA. DNA. DNA. They are found in both prokaryotes and eukaryotes and are thought to be associated in programmed cell death and also in tissue differentiation .. prokaryotes. prokaryotes. eukaryotes. eukaryotes. Furthermore , they are secreted extracellular , that is , outside of the cell .. secreted. secretion. Their function and distinguishing features mean they have potential in being exploited in the field of biotechnology .. biotechnology. biotechnology