Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 5r46_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 7.A NE2.A PRO 4.A O.A no hydrogen 2.888 N/A GLN 7.A NE2.A PRO 4.A O.B no hydrogen 2.884 N/A