Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2en1_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): PHE 13.A N PHE 22.A O PHE 13.A H 3.356 2.576 CYS 15.A N LYS 20.A O CYS 15.A H 2.830 2.007 CYS 15.A SG GLU 17.A OE2 no hydrogen 3.854 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.640 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.514 N/A PHE 22.A N PHE 13.A O PHE 22.A H 2.846 1.948 GLN 27.A N GLN 24.A O GLN 27.A H 3.286 2.551 LEU 28.A N GLN 24.A O LEU 28.A H 3.391 2.425 HIS 29.A N ASN 25.A O HIS 29.A H 2.756 1.797 HIS 31.A N LEU 28.A O HIS 31.A H 2.885 2.098 GLN 32.A N LEU 28.A O GLN 32.A H 2.759 1.789 VAL 34.A N HIS 31.A O VAL 34.A H 2.720 1.779 HIS 35.A N GLN 32.A O HIS 35.A H 2.748 1.848 THR 36.A N ARG 33.A O THR 36.A H 2.817 2.066 THR 36.A OG1 ARG 33.A O THR 36.A HG1 2.548 1.948