Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4y6l_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 3.A NH1 THR 1.A O no hydrogen 2.817 N/A SER 4.A OG GLY 6.A O no hydrogen 2.732 N/A