Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1x3h_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 18.A N ARG 23.A O CYS 18.A H 2.944 2.095 GLY 19.A N VAL 36.A O GLY 19.A H 3.301 2.615 CYS 21.A SG HIS 38.A ND1 no hydrogen 4.022 N/A ASN 22.A N CYS 18.A O ASN 22.A H 3.080 2.293 LEU 30.A N TRP 37.A O LEU 30.A H 3.125 2.148 THR 35.A N ALA 32.A O THR 35.A H 2.610 1.784 TRP 37.A N LEU 30.A O TRP 37.A H 3.063 2.202 TRP 37.A NE1 ALA 32.A O TRP 37.A HE1 3.182 2.306 CYS 41.A N HIS 38.A O CYS 41.A H 3.262 2.577 CYS 41.A SG HIS 38.A ND1 no hydrogen 3.729 N/A PHE 42.A N HIS 38.A O PHE 42.A H 2.939 2.050 CYS 44.A N THR 49.A O CYS 44.A H 3.107 2.155 CYS 44.A SG HIS 68.A ND1 no hydrogen 3.996 N/A CYS 47.A SG HIS 68.A ND1 no hydrogen 3.993 N/A PHE 57.A N PHE 64.A O PHE 57.A H 3.309 2.415 LEU 59.A N ARG 62.A O LEU 59.A H 3.276 2.303 ARG 62.A NE GLY 61.A O ARG 62.A HE 2.959 2.113 PHE 64.A N PHE 57.A O PHE 64.A H 3.308 2.392 CYS 65.A SG HIS 68.A ND1 no hydrogen 3.963 N/A TYR 69.A N CYS 65.A O TYR 69.A H 2.646 1.798 HIS 70.A N GLU 66.A O HIS 70.A H 2.771 1.810 HIS 71.A N LEU 67.A O HIS 71.A H 3.228 2.269 ARG 72.A N HIS 68.A O ARG 72.A H 2.783 1.820 ARG 73.A N TYR 69.A O ARG 73.A H 3.330 2.381 GLY 74.A N HIS 70.A O GLY 74.A H 3.102 2.141