Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7pvt_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 4.A NE LEU 1.A O ARG 4.A HE 2.728 1.878 ARG 4.A NH2 LEU 1.A O ARG 4.A HH21 3.430 2.802