Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2n21_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 8.A N GLU 11.A OE1 LYS 8.A H 3.311 2.366 ILE 12.A N GLY 9.A O ILE 12.A H 2.818 1.950 MET 14.A N ARG 10.A O MET 14.A H 2.659 1.819 TRP 15.A N ILE 12.A O TRP 15.A H 3.142 2.250 TYR 16.A N ILE 12.A O TYR 16.A H 3.486 2.579 LYS 18.A NZ GLN 20.A OXT LYS 18.A HZ2 3.331 2.434