sidechain = Group('asp_sidechain_uni')
peptide = Group('peptide_nt_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Asp'
amber91_charge = {peptide.N: -0.263, sidechain.O_delta_1: -0.706, sidechain.O_delta_2: -0.706, peptide.H_1: 0.312, sidechain.C_gamma: 0.62, peptide.C: 0.526, peptide.O: -0.5, sidechain.C_beta: -0.208, peptide.C_alpha: 0.301, peptide.H_3: 0.312, peptide.H_2: 0.312, }
name = 'aspartic_acid'
chain_links = [None, peptide.C]
