Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7a2x_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 5.A N SER 2.A O ARG 5.A H 2.933 2.130 ARG 6.A NE LEU 3.A O ARG 6.A HE 2.822 1.975 ARG 6.A NH2 LEU 3.A O ARG 6.A HH21 3.270 2.577