C_beta = Atom('CH2')
C_gamma = Atom('C')
O_delta_1 = Atom('O')
O_delta_2 = Atom('O')

bonds = [Bond(C_gamma, C_beta), Bond(O_delta_1, C_gamma), Bond(O_delta_2, C_gamma), ]

pdbmap = [('ASP', {'CG': C_gamma, 'OD2': O_delta_2, 'OD1': O_delta_1, 'CB': C_beta, }, ), ]

pdb_alternative = {'HB1': '3HB', }

amber91_atom_type = {C_beta: 'C2', O_delta_2: 'O2', C_gamma: 'C', O_delta_1: 'O2', }

opls_atom_type = {C_beta: 'C2', O_delta_2: 'O2', C_gamma: 'C', O_delta_1: 'O2', }

opls_charge = {C_beta: -0.1, O_delta_2: -.8, C_gamma: .7, O_delta_1: -.8, }
name = 'asp_sidechain'
