Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8e13_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 3.A NZ LYS 4.A O no hydrogen 2.942 N/A LYS 4.A NZ TYR 6.A OH no hydrogen 3.448 N/A CYS 7.A SG LEU 8.A O no hydrogen 3.374 N/A