Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7lh5_BK.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): UNK 35.A N UNK 33.A O no hydrogen 2.555 N/A UNK 63.A N UNK 60.A O no hydrogen 3.325 N/A