Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3p4f_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ALA 5.A N ALA 2.A O no hydrogen 3.115 N/A GLU 6.A N ALA 3.A O no hydrogen 3.090 N/A