Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6twb_B.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): MET 4.A N ASN 2.A OD1 no hydrogen 2.785 N/A CYS 5.A SG ILE 3.A O no hydrogen 3.511 N/A