Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7roy_G.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASN 5.A N THR 3.A OG1 no hydrogen 3.333 N/A CYS 6.A SG HIS 13.A NE2 no hydrogen 3.626 N/A VAL 15.A N HIS 13.A O no hydrogen 2.651 N/A