
Keywords: (4-هیدروکسی-3-نیترفنیل) استیل; NP; (4-hydroxy-3-nitrophenyl)acetyl; NIP; (4-hydroxy-3-iodo-5-nitrophenyl)acetyl; NNP; (4-hydroxy-3,5-dinitrophenyl)acetyl; CDR; complementarity determining region; SHM; somatic hypermutation; HEL; hen egg lysozyme; Ka; equilibrium associa tion constant;