Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1ul4_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 2.A NE CYS 9.A O ARG 2.A HE 3.251 2.388 CYS 4.A SG VAL 6.A O no hydrogen 3.908 N/A CYS 4.A SG HIS 29.A ND1 no hydrogen 3.817 N/A GLN 5.A NE2 LYS 24.A O GLN 5.A HE21 3.407 2.769 LYS 14.A N ASP 12.A OD1 LYS 14.A H 3.273 2.572 HIS 20.A N LYS 17.A O HIS 20.A H 3.062 2.268 ARG 21.A N LYS 17.A O ARG 21.A H 2.782 1.870 ARG 22.A N LEU 18.A O ARG 22.A H 3.099 2.291 VAL 25.A N HIS 20.A O VAL 25.A H 2.911 1.995 CYS 26.A SG HIS 29.A ND1 no hydrogen 3.883 N/A ALA 30.A N CYS 26.A O ALA 30.A H 2.714 1.862 SER 34.A OG ASN 41.A OD1 SER 34.A HG 3.137 2.238 VAL 35.A N GLN 42.A O VAL 35.A H 3.141 2.279 LEU 37.A N LEU 40.A O LEU 37.A H 3.185 2.409 GLN 42.A N VAL 35.A O GLN 42.A H 3.133 2.166 ARG 43.A N HIS 52.A O ARG 43.A H 3.019 2.285 CYS 45.A N ARG 50.A O CYS 45.A H 3.163 2.337 GLN 47.A NE2 ARG 66.A O GLN 47.A HE22 3.114 2.227 CYS 48.A SG HIS 52.A NE2 no hydrogen 3.795 N/A SER 49.A N CYS 45.A O SER 49.A H 2.542 1.781 HIS 52.A N ARG 43.A O HIS 52.A H 3.146 2.234 LEU 54.A N ASN 41.A O LEU 54.A H 2.984 2.213 GLU 56.A N ASP 53.A O GLU 56.A H 3.421 2.583 PHE 57.A N LEU 54.A O PHE 57.A H 2.969 2.274 ARG 66.A NH2 HIS 71.A NE2 ARG 66.A HH22 3.249 2.398 LEU 68.A N ARG 66.A O LEU 68.A H 2.755 1.879 ALA 69.A N ARG 65.A O ALA 69.A H 3.062 2.207