Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2bbp_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): TYR 3.A N ARG 17.A O TYR 3.A H 3.197 2.202