Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6rz1_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 11.A N ALA 9.A O HIS 11.A H 2.553 1.731 GLY 12.A N ALA 9.A O GLY 12.A H 2.808 1.795 GLY 13.A N ALA 9.A O GLY 13.A H 3.109 2.319 ILE 20.A N HIS 17.A O ILE 20.A H 2.751 1.834 HIS 23.A N GLY 18.A O HIS 23.A H 2.621 1.809