Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1ncp_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 3.A SG HIS 11.A NE2 no hydrogen 3.469 N/A CYS 6.A SG HIS 11.A NE2 no hydrogen 3.512 N/A CYS 16.A SG HIS 11.A NE2 no hydrogen 3.535 N/A