Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4wpi_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 3.A NE PRO 2.A O no hydrogen 3.100 N/A CYS 5.A SG LYS 4.A O no hydrogen 2.912 N/A ARG 10.A NH1 THR 9.A OG1 no hydrogen 2.943 N/A