Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2epu_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 2.670 1.851 CYS 15.A SG HIS 35.A NE2 no hydrogen 3.602 N/A CYS 18.A SG CYS 15.A O no hydrogen 3.968 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.377 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.421 N/A PHE 22.A N PHE 13.A O PHE 22.A H 2.752 1.971 LEU 28.A N ALA 24.A O LEU 28.A H 3.412 2.446 VAL 29.A N LYS 25.A O VAL 29.A H 2.777 1.800 THR 30.A N GLY 26.A O THR 30.A H 2.875 1.912 HIS 31.A N ASN 27.A O HIS 31.A H 3.345 2.513 GLN 32.A N LEU 28.A O GLN 32.A H 2.903 1.957 ARG 33.A N VAL 29.A O ARG 33.A H 3.368 2.532 ILE 34.A N HIS 31.A O ILE 34.A H 2.747 1.799 HIS 35.A N GLN 32.A O HIS 35.A H 2.709 1.863 THR 36.A N GLN 32.A O THR 36.A H 3.302 2.361