Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ysp_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 2.986 2.142 CYS 15.A SG HIS 35.A NE2 no hydrogen 3.325 N/A CYS 18.A N CYS 15.A O CYS 18.A H 2.918 2.131 CYS 18.A SG CYS 15.A O no hydrogen 3.587 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.333 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.690 N/A GLY 19.A N CYS 15.A O GLY 19.A H 2.596 1.876 TYR 22.A N TYR 13.A O TYR 22.A H 2.693 1.900 LEU 28.A N SER 24.A O LEU 28.A H 3.112 2.134 MET 30.A N PHE 26.A O MET 30.A H 3.476 2.554 HIS 31.A N ASN 27.A O HIS 31.A H 3.213 2.294 GLN 32.A N LEU 28.A O GLN 32.A H 2.701 1.828 LYS 33.A N ASP 29.A O LYS 33.A H 3.382 2.598 LYS 33.A N MET 30.A O LYS 33.A H 3.322 2.516 HIS 35.A NE2 HIS 31.A NE2 no hydrogen 3.133 N/A ARG 39.A N GLY 37.A O ARG 39.A H 2.975 2.276