Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2el6_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): TYR 13.A N PHE 22.A O TYR 13.A H 3.256 2.489 CYS 15.A N LYS 20.A O CYS 15.A H 2.582 1.814 CYS 15.A SG HIS 31.A NE2 no hydrogen 3.500 N/A CYS 15.A SG HIS 35.A NE2 no hydrogen 3.697 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.500 N/A PHE 22.A N TYR 13.A O PHE 22.A H 2.763 1.801 LEU 28.A N GLY 24.A O LEU 28.A H 3.313 2.373 LEU 29.A N LYS 25.A O LEU 29.A H 3.251 2.287 VAL 30.A N LEU 26.A O VAL 30.A H 3.061 2.180 HIS 31.A N ARG 27.A O HIS 31.A H 3.025 2.256 GLN 32.A N LEU 28.A O GLN 32.A H 2.633 1.798 ARG 33.A N LEU 29.A O ARG 33.A H 3.059 2.336 MET 34.A N HIS 31.A O MET 34.A H 3.303 2.471 HIS 35.A N GLN 32.A O HIS 35.A H 3.229 2.414