Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7b4w_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 2.A OG ARG 4.A O no hydrogen 2.826 N/A ARG 4.A NH1 ILE 3.A O no hydrogen 3.028 N/A GLN 9.A N GLY 6.A O no hydrogen 3.119 N/A