Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6qw4_P.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 1.A OG GLU 6.A OE2 no hydrogen 2.390 N/A GLN 4.A N HIS 2.A ND1 no hydrogen 2.924 N/A PHE 5.A N HIS 2.A O no hydrogen 2.981 N/A GLU 6.A N HIS 2.A O no hydrogen 3.122 N/A