Master service agreement. [hide]This article has multiple issues. Please help improve it or discuss these issues on the talk page. This article needs more links to other articles to help integrate it into the encyclopedia. Please help improve this article by adding links that are relevant to the context within the existing text.
#4. The R represents the side chain of the amino acids which make up the anti-parallel beta sheet. Since a wide variety of side chains can exist on a beta -sheet, they generalize the structure by writing Rs instead of specific amino acid side chains.
The Rh blood group system has two sets of nomenclatures: one developed by Ronald Fisher and R.R. Race, the other by Wiener. Both systems reflected alternative theories of inheritance. The Fisher-Race system, which is more commonly in use today, uses the CDE nomenclature.his term strictly refers only to the most immunogenic D antigen of the Rh blood group system, or the Rhâ blood group system. The status is usually indicated by Rh positive (Rh+ does have the D antigen) or Rh negative (Rhâ does not have the D antigen) suffix to the ABO blood type.