Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4xbu_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 5.A N SER 3.A OG no hydrogen 3.383 N/A ASP 11.A N LEU 9.A O no hydrogen 2.786 N/A CYS 13.A N GLY 10.A O no hydrogen 3.379 N/A CYS 13.A SG GLY 10.A O no hydrogen 3.676 N/A CYS 13.A SG ASN 12.A OD1 no hydrogen 3.954 N/A