Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2v83_D.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): THR 3.A OG1 THR 5.A OG1 no hydrogen 2.434 N/A THR 5.A OG1 THR 3.A OG1 no hydrogen 2.434 N/A