Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2emy_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 3.444 2.569 CYS 15.A N LYS 20.A O CYS 15.A H 2.834 1.957 CYS 18.A SG HIS 31.A NE2 no hydrogen 3.317 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.834 N/A PHE 22.A N TYR 13.A O PHE 22.A H 2.649 1.804 SER 23.A N GLN 27.A OE1 SER 23.A H 3.337 2.445 LEU 28.A N LYS 25.A O LEU 28.A H 2.940 2.092 ILE 29.A N LYS 25.A O ILE 29.A H 3.164 2.210 SER 30.A N TYR 26.A O SER 30.A H 3.006 2.028 HIS 31.A N LEU 28.A O HIS 31.A H 2.763 2.027 GLN 32.A N LEU 28.A O GLN 32.A H 3.019 2.073 ARG 33.A N ILE 29.A O ARG 33.A H 3.260 2.452 THR 34.A N HIS 31.A O THR 34.A H 2.741 1.800 HIS 35.A N GLN 32.A O HIS 35.A H 2.790 2.048 ALA 36.A N GLN 32.A O ALA 36.A H 3.115 2.272