Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2yuu_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 13.A N PHE 20.A O HIS 13.A H 3.054 2.143 HIS 18.A N ILE 15.A O HIS 18.A H 2.498 1.780 ILE 21.A N LYS 47.A O ILE 21.A H 2.994 2.032 CYS 31.A N ASP 36.A O CYS 31.A H 3.562 2.592 CYS 31.A SG ALA 54.A O no hydrogen 3.929 N/A CYS 31.A SG HIS 56.A ND1 no hydrogen 3.333 N/A TYR 46.A N ILE 55.A O TYR 46.A H 2.848 1.941 CYS 48.A N ALA 53.A O CYS 48.A H 3.238 2.295 CYS 48.A SG HIS 18.A ND1 no hydrogen 3.719 N/A GLN 50.A NE2 GLY 69.A O GLN 50.A HE21 2.755 2.162 CYS 51.A SG HIS 18.A ND1 no hydrogen 3.712 N/A ILE 55.A N TYR 46.A O ILE 55.A H 2.756 1.792 CYS 59.A SG HIS 56.A ND1 no hydrogen 3.723 N/A ILE 60.A N HIS 56.A O ILE 60.A H 3.183 2.470 ASP 61.A N LYS 58.A O ASP 61.A H 3.198 2.319 LYS 62.A N CYS 59.A O LYS 62.A H 2.916 2.049 ILE 63.A N CYS 59.A O ILE 63.A H 2.918 2.052 CYS 67.A SG HIS 18.A ND1 no hydrogen 3.346 N/A