Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6rjl_P.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 4.A OG PRO 5.A O SER 4.A HG 3.088 2.269