Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8az5_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 8.A ND1 ASN 25.A OD1 no hydrogen 3.376 N/A SER 19.A OG LEU 17.A O no hydrogen 3.135 N/A SER 24.A OG VAL 22.A O no hydrogen 3.450 N/A