Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ck0_P.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 1.A N SER 6.A OG no hydrogen 3.307 N/A SER 6.A N GLU 3.A O no hydrogen 2.847 N/A SER 6.A OG GLU 3.A O no hydrogen 2.847 N/A