sidechain = Group('pro_sidechain')
peptide = Group('peptide_proline')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), Bond(peptide.N, sidechain.C_delta), ]
symbol = 'Pro'
amber_charge = {peptide.H_alpha: 0.0641, sidechain.H_gamma_2: 0.0213, sidechain.C_beta: -0.007, sidechain.H_delta_2: 0.0391, peptide.C: 0.5896, sidechain.H_delta_3: 0.0391, sidechain.H_beta_2: 0.0253, sidechain.H_beta_3: 0.0253, sidechain.C_delta: 0.0192, peptide.N: -0.2548, peptide.O: -0.5748, sidechain.H_gamma_3: 0.0213, peptide.C_alpha: -0.0266, sidechain.C_gamma: 0.0189, }
name = 'proline'
chain_links = [peptide.N, peptide.C]
