Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6kz1_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 7.A OG ILE 9.A O no hydrogen 3.105 N/A ILE 9.A N SER 7.A OG no hydrogen 3.098 N/A