Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 7obc_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 3.A NZ ALA 4.A O LYS 3.A HZ3 3.042 2.234