Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6y38_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 1.A N GLU 1.A OE2 no hydrogen 2.951 N/A ARG 2.A NH1 THR 4.A O no hydrogen 3.411 N/A