Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2epp_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 16.A SG HIS 32.A NE2 no hydrogen 3.487 N/A CYS 16.A SG HIS 36.A NE2 no hydrogen 3.580 N/A CYS 19.A SG HIS 32.A NE2 no hydrogen 3.370 N/A CYS 19.A SG HIS 36.A NE2 no hydrogen 3.509 N/A GLY 20.A N CYS 16.A O GLY 20.A H 3.355 2.619 ASN 27.A N ASP 25.A OD1 ASN 27.A H 3.271 2.427 ARG 28.A N ASP 25.A OD2 ARG 28.A H 3.215 2.534 ARG 28.A NE ARG 28.A O ARG 28.A HE 3.572 2.726 LEU 29.A N ASP 25.A O LEU 29.A H 2.899 1.961 ARG 30.A N ALA 26.A O ARG 30.A H 2.892 2.094 HIS 32.A N ARG 28.A O HIS 32.A H 3.450 2.510 HIS 32.A NE2 HIS 36.A NE2 no hydrogen 3.059 N/A GLU 33.A N LEU 29.A O GLU 33.A H 3.036 2.110 ALA 34.A N GLN 31.A O ALA 34.A H 3.022 2.251 GLN 35.A N HIS 32.A O GLN 35.A H 2.911 2.188 HIS 36.A N GLU 33.A O HIS 36.A H 3.158 2.477 HIS 36.A NE2 HIS 32.A NE2 no hydrogen 3.059 N/A GLY 37.A N GLU 33.A O GLY 37.A H 2.917 1.950 VAL 38.A N GLU 33.A O VAL 38.A H 3.327 2.351 SER 40.A N GLY 37.A O SER 40.A H 3.297 2.319