Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ih0_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 2.A N ASP 1.A O SER 2.A H 2.903 1.931 SER 2.A OG ASP 1.A O SER 2.A HG 2.612 1.666