Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6tip_P.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 5.A N HIS 3.A ND1 no hydrogen 3.008 N/A PHE 6.A N HIS 3.A O no hydrogen 3.038 N/A GLU 7.A N PRO 4.A O no hydrogen 3.324 N/A