Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1aft_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): THR 2.A OG1 ASP 6.A O THR 2.A HG1 2.821 2.145 ALA 5.A N THR 2.A O ALA 5.A H 3.303 2.617