Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3v31_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 6.A N TYR 4.A O no hydrogen 2.989 N/A SER 8.A OG LEU 9.A O no hydrogen 3.566 N/A THR 13.A N ASN 11.A OD1 no hydrogen 2.931 N/A THR 13.A OG1 ASN 11.A OD1 no hydrogen 2.955 N/A