Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2lto_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): TYR 7.A N PRO 6.A O TYR 7.A H 2.764 1.878