Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7q4b_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 5.A ND1 HIS 6.A ND1 no hydrogen 2.951 N/A HIS 6.A ND1 HIS 5.A ND1 no hydrogen 2.951 N/A ASN 19.A ND2 GLY 21.A O no hydrogen 3.339 N/A GLY 21.A N ASN 19.A OD1 no hydrogen 3.205 N/A