Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1v9u_4.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 3.A N TYR 8.A O no hydrogen 3.203 N/A TYR 8.A N VAL 3.A O no hydrogen 3.303 N/A ASN 20.A N ALA 17.A O no hydrogen 3.291 N/A LYS 24.A NZ TYR 8.A OH no hydrogen 3.527 N/A