Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7c41_D.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 7.A N ALA 5.A O no hydrogen 2.987 N/A SER 7.A OG ASP 8.A OD1 no hydrogen 3.055 N/A ASP 8.A N ALA 5.A O no hydrogen 3.513 N/A