C_beta = Atom('CH2')
C_delta = Atom('CH2')
C_epsilon = Atom('CH2')
C_gamma = Atom('CH2')
N_zeta = Atom('NH3')
bonds = [Bond(C_gamma, C_beta), Bond(C_delta, C_gamma), Bond(C_epsilon, C_delta), Bond(N_zeta, C_epsilon), ]
pdbmap = [('LYS', {'CD': C_delta, 'CE': C_epsilon, 'CG': C_gamma, 'NZ': N_zeta, 'CB': C_beta, }, ), ]
name = 'lys_sidechain'
amber_atom_type = {C_gamma: 'CT', C_beta: 'CT', C_delta: 'CT', C_epsilon: 'CT', N_zeta: 'N3', }
