Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2epr_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 13.A N PHE 22.A O VAL 13.A H 3.200 2.269 CYS 15.A N LYS 20.A O CYS 15.A H 2.798 2.019 CYS 15.A SG HIS 31.A NE2 no hydrogen 3.634 N/A CYS 15.A SG HIS 35.A NE2 no hydrogen 3.592 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.319 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.521 N/A LYS 20.A N CYS 15.A O LYS 20.A H 3.012 2.135 PHE 22.A N VAL 13.A O PHE 22.A H 2.759 1.805 HIS 27.A N ASP 24.A O HIS 27.A H 3.006 2.119 LEU 28.A N ASP 24.A O LEU 28.A H 3.386 2.474 ASN 29.A N VAL 25.A O ASN 29.A H 2.805 1.926 HIS 31.A N HIS 27.A O HIS 31.A H 3.386 2.567 HIS 31.A NE2 HIS 35.A NE2 no hydrogen 3.132 N/A LYS 32.A N LEU 28.A O LYS 32.A H 2.757 1.859 SER 34.A N HIS 31.A O SER 34.A H 3.017 2.243 HIS 35.A N LYS 32.A O HIS 35.A H 2.800 2.097 SER 42.A N PRO 40.A O SER 42.A H 2.785 1.958 GLY 44.A N SER 42.A O GLY 44.A H 2.869 2.038