Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2enh_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 15.A N LYS 20.A O CYS 15.A H 3.246 2.379 CYS 15.A SG HIS 31.A NE2 no hydrogen 3.412 N/A CYS 15.A SG HIS 35.A NE2 no hydrogen 3.499 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.345 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.683 N/A PHE 22.A N TYR 13.A O PHE 22.A H 3.554 2.594 LEU 28.A N HIS 25.A O LEU 28.A H 2.731 1.861 THR 29.A N HIS 25.A O THR 29.A H 3.391 2.471 GLN 30.A N ALA 26.A O GLN 30.A H 2.772 1.904 HIS 31.A N SER 27.A O HIS 31.A H 3.109 2.202 HIS 31.A NE2 HIS 35.A NE2 no hydrogen 3.039 N/A GLN 32.A N LEU 28.A O GLN 32.A H 3.029 2.051 ARG 33.A N GLN 30.A O ARG 33.A H 3.092 2.194 VAL 34.A N HIS 31.A O VAL 34.A H 2.697 1.925 HIS 35.A N GLN 32.A O HIS 35.A H 2.765 1.883 HIS 35.A NE2 HIS 31.A NE2 no hydrogen 3.039 N/A