Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6n4p_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 1.A NE GLU 3.A OE2 no hydrogen 3.019 N/A ARG 1.A NH2 GLU 3.A OE2 no hydrogen 3.145 N/A