Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ecn_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 18.A N ARG 25.A O CYS 18.A H 3.393 2.449 CYS 19.A N SER 35.A O CYS 19.A H 3.183 2.341 LEU 30.A N HIS 34.A O LEU 30.A H 2.736 1.922 CYS 32.A SG HIS 34.A ND1 no hydrogen 3.492 N/A ALA 33.A N LEU 30.A O ALA 33.A H 3.139 2.300 SER 35.A OG GLU 17.A O SER 35.A HG 2.686 2.050 PHE 36.A N LEU 28.A O PHE 36.A H 3.390 2.493 GLN 38.A NE2 GLN 38.A O GLN 38.A HE21 3.189 2.366 ILE 41.A N CYS 37.A O ILE 41.A H 2.916 2.041 ASP 42.A N GLN 38.A O ASP 42.A H 2.748 1.805 LYS 43.A N LYS 39.A O LYS 43.A H 2.937 2.038 TRP 44.A N CYS 40.A O TRP 44.A H 2.991 2.060 CYS 51.A SG HIS 34.A ND1 no hydrogen 3.463 N/A CYS 54.A SG HIS 34.A ND1 no hydrogen 3.589 N/A ARG 55.A N CYS 51.A O ARG 55.A H 3.058 2.171 LEU 56.A N PRO 52.A O LEU 56.A H 3.168 2.269