Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ctd_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): TRP 25.A N LEU 21.A O TRP 25.A H 3.060 2.144 TYR 26.A N GLU 22.A O TYR 26.A H 2.908 1.992 LEU 27.A N GLU 23.A O LEU 27.A H 3.047 2.105 GLU 28.A N GLN 24.A O GLU 28.A H 3.338 2.377 ILE 29.A N TYR 26.A O ILE 29.A H 2.860 2.047 VAL 30.A N TYR 26.A O VAL 30.A H 2.985 2.027 ASP 31.A N LEU 27.A O ASP 31.A H 2.711 1.899 LYS 32.A N GLU 28.A O LYS 32.A H 3.073 2.252 GLY 33.A N GLU 28.A O GLY 33.A H 3.424 2.512 VAL 35.A N ARG 45.A O VAL 35.A H 3.044 2.085 CYS 40.A SG HIS 54.A NE2 no hydrogen 3.905 N/A ARG 45.A N VAL 35.A O ARG 45.A H 2.766 1.880 LEU 51.A N THR 47.A O LEU 51.A H 3.404 2.476 LYS 52.A N ILE 48.A O LYS 52.A H 2.756 1.808 HIS 54.A N GLY 50.A O HIS 54.A H 3.403 2.540 MET 55.A N LEU 51.A O MET 55.A H 2.847 1.922 GLU 56.A N LYS 52.A O GLU 56.A H 2.725 1.940 ASN 57.A N HIS 54.A O ASN 57.A H 3.211 2.266 CYS 58.A N HIS 54.A O CYS 58.A H 2.867 1.908 CYS 58.A SG HIS 54.A NE2 no hydrogen 3.629 N/A LYS 59.A N MET 55.A O LYS 59.A H 2.916 2.010 LYS 59.A NZ MET 55.A O LYS 59.A HZ1 3.143 2.125 CYS 65.A N LYS 70.A O CYS 65.A H 3.001 2.159 CYS 65.A SG HIS 81.A NE2 no hydrogen 3.541 N/A CYS 65.A SG HIS 86.A NE2 no hydrogen 3.996 N/A CYS 68.A SG HIS 81.A NE2 no hydrogen 4.000 N/A CYS 68.A SG HIS 86.A NE2 no hydrogen 3.509 N/A GLN 71.A NE2 THR 64.A OG1 GLN 71.A HE21 2.835 1.899 MET 78.A N SER 74.A O MET 78.A H 3.289 2.326 LYS 79.A N LEU 75.A O LYS 79.A H 2.768 1.809 TYR 80.A N ALA 76.A O TYR 80.A H 3.067 2.335 TYR 80.A N GLY 77.A O TYR 80.A H 3.217 2.455 HIS 81.A N GLY 77.A O HIS 81.A H 3.112 2.327 VAL 82.A N MET 78.A O VAL 82.A H 3.323 2.505 ALA 84.A N TYR 80.A O ALA 84.A H 3.038 2.319 ASN 85.A N HIS 81.A O ASN 85.A H 3.017 2.092 ASN 85.A ND2 HIS 81.A O ASN 85.A HD21 2.792 2.019