Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ytd_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 15.A N LYS 20.A O CYS 15.A H 2.759 1.846 CYS 15.A SG HIS 31.A NE2 no hydrogen 3.686 N/A CYS 15.A SG HIS 35.A NE2 no hydrogen 3.446 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.670 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.382 N/A PHE 22.A N TYR 13.A O PHE 22.A H 3.378 2.421 LEU 28.A N ARG 24.A O LEU 28.A H 3.518 2.595 ASN 29.A N HIS 25.A O ASN 29.A H 2.964 1.993 GLU 30.A N THR 26.A O GLU 30.A H 3.034 2.069 HIS 31.A N HIS 27.A O HIS 31.A H 2.935 2.095 HIS 31.A N LEU 28.A O HIS 31.A H 2.923 2.232 ARG 32.A N LEU 28.A O ARG 32.A H 3.036 2.075 ARG 33.A N ASN 29.A O ARG 33.A H 3.443 2.597 ILE 34.A N HIS 31.A O ILE 34.A H 2.730 1.803 THR 36.A N ARG 32.A O THR 36.A H 2.896 2.034