Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4ext_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 7.A NZ PRO 8.A O no hydrogen 3.011 N/A GLU 17.A N SER 14.A OG no hydrogen 2.877 N/A ILE 18.A N SER 14.A O no hydrogen 2.806 N/A MET 19.A N ARG 15.A O no hydrogen 3.142 N/A MET 19.A N GLU 16.A O no hydrogen 2.851 N/A ALA 20.A N GLU 17.A O no hydrogen 3.112 N/A