Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1uef_D.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 6.A NZ GLU 4.A OE2 no hydrogen 3.369 N/A LEU 7.A N ASN 5.A OD1 no hydrogen 3.267 N/A