Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6udw_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 2.A NE ASP 4.A OD1 ARG 2.A HE 2.830 1.979 ARG 2.A NH2 ASP 4.A OD2 ARG 2.A HH22 2.905 2.044 GLN 5.A N ARG 2.A O GLN 5.A H 2.921 2.085