There are 9 amino acids which belong to the high degenerate group (G,A,S,P,V,T,L,I,R)and 11 amino acids to the low degenerate group (C,N,D,Q,K,E,M,H,F,Y,W).

• 高简并度类有9个氨基酸，其分子量比较小，等电点的分布比较集中。