data:aaMap package:Biobase R Documentation _D_a_t_a_s_e_t: _N_a_m_e_s _a_n_d _C_h_a_r_a_c_t_e_r_i_s_t_i_c_s _o_f _A_m_i_n_o _A_c_i_d_s _D_e_s_c_r_i_p_t_i_o_n: The 'aaMap' data frame has 20 rows and 6 columns. Includes elementary information about amino acids. _U_s_a_g_e: data(aaMap) _F_o_r_m_a_t: This data frame contains the following columns: _n_a_m_e amino acid name _l_e_t._1 one-letter code _l_e_t._3 three-letter code _s_c_P_r_o_p side chain property at pH 7 (polar/nonpolar) _h_y_P_h_i_l_i_c logical: side chain is hydrophilic at pH 7 _a_c_i_d_i_c logical: side chain is acidic at pH 7 _S_o_u_r_c_e: Nei M and Kumar S: Molecular evolution and phylogenetics (Oxford 2000), Table 1.2 _E_x_a_m_p_l_e_s: data(aaMap)