Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 8cmc_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 3.A OG.A PHE 4.A O no hydrogen 3.105 N/A SER 3.A OG.A GLU 5.A OE2 no hydrogen 3.490 N/A