Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3tww_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 2.A N GLN 1.A OE1 no hydrogen 3.033 N/A GLN 8.A NE2 PHE 10.A O no hydrogen 2.551 N/A