sidechain = Group('asp_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Asp'
amber_charge = {sidechain.O_delta_1: -0.8084, sidechain.C_gamma: 0.8194, peptide.O: -0.5889, peptide.N: 0.0782, sidechain.O_delta_2: -0.8084, sidechain.C_beta: -0.0235, peptide.C: 0.5621, peptide.C_alpha: 0.0292, }
name = 'aspartic_acid'
chain_links = [None, peptide.C]
