Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ys2_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): VAL 21.A N LYS 24.A O VAL 21.A H 2.947 2.125 LYS 24.A N VAL 21.A O LYS 24.A H 2.813 1.905 LEU 26.A N PHE 19.A O LEU 26.A H 3.080 2.300 CYS 27.A SG HIS 16.A ND1 no hydrogen 3.613 N/A CYS 28.A SG HIS 16.A ND1 no hydrogen 3.348 N/A GLN 29.A NE2 LEU 26.A O GLN 29.A HE21 3.255 2.282 CYS 38.A SG HIS 16.A ND1 no hydrogen 3.641 N/A CYS 38.A SG THR 39.A OG1 no hydrogen 3.687 N/A THR 39.A OG1 TYR 15.A O THR 39.A HG1 3.537 2.730