Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6xp6_C.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLN 4.A NE2 ALA 2.A O no hydrogen 3.131 N/A LEU 7.A N GLU 6.A OE1 no hydrogen 2.937 N/A