Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1gna_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 5.A N CYS 2.A O CYS 5.A H 2.909 1.924 CYS 10.A N TYR 7.A O CYS 10.A H 2.803 1.838 THR 11.A N ALA 9.A O THR 11.A H 2.746 1.888 GLY 12.A N THR 11.A OG1 GLY 12.A H 2.741 1.947