Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1yug_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): SER 3.A OG GLU 27.A OE2 SER 3.A HG 3.013 2.168 HIS 4.A ND1 VAL 2.A O HIS 4.A HD1 2.879 2.149 GLN 14.A N SER 11.A O GLN 14.A H 3.053 2.083 PHE 15.A N HIS 12.A O PHE 15.A H 3.185 2.223 CYS 16.A N THR 13.A O CYS 16.A H 3.223 2.296 CYS 16.A SG THR 13.A O no hydrogen 3.804 N/A CYS 21.A SG THR 13.A OG1 no hydrogen 3.474 N/A ARG 22.A N ALA 31.A O ARG 22.A H 2.917 2.124 LEU 24.A N LYS 29.A O LEU 24.A H 3.079 2.191 GLN 26.A NE2 VAL 2.A O GLN 26.A HE22 3.013 2.129 LYS 29.A N LEU 24.A O LYS 29.A H 2.949 2.181 VAL 33.A N THR 20.A O VAL 33.A H 2.998 2.092 VAL 39.A N HIS 45.A O VAL 39.A H 3.080 2.109 ARG 42.A NE PHE 15.A O ARG 42.A HE 3.280 2.339 ARG 42.A NH2 GLN 14.A O no hydrogen 2.924 N/A CYS 43.A SG ALA 41.A O no hydrogen 3.603 N/A