since among these peptides his39 , glu57 , his91 , and arg76 in rnase ms corresponded to his40 , glu58 , his92 , and arg77 in rnase t1 which are known to be involved in the active site of rnase t1 , the possible role of these amino acids in the active site of rnase ms is discussed .
C0018364
rnase t1
C0014241
rnase