Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 6y1s_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): TYR 7.A N CYS 3.A O TYR 7.A H 3.285 2.537 ALA 8.A N ILE 4.A O ALA 8.A H 2.807 2.096