Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ffw_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): CYS 33.A N GLN 42.A O CYS 33.A H 2.966 2.027 CYS 36.A N CYS 33.A O CYS 36.A H 3.274 2.502 ALA 44.A N VAL 31.A O ALA 44.A H 3.058 2.109 LYS 46.A N TYR 55.A O LYS 46.A H 2.898 2.185 CYS 48.A N VAL 53.A O CYS 48.A H 3.330 2.502 CYS 48.A SG HIS 64.A NE2 no hydrogen 3.821 N/A CYS 48.A SG ARG 74.A O no hydrogen 3.135 N/A CYS 51.A N CYS 48.A O CYS 51.A H 3.044 2.337 CYS 51.A SG HIS 64.A NE2 no hydrogen 3.824 N/A GLU 52.A N CYS 48.A O GLU 52.A H 2.729 2.007 VAL 53.A N CYS 48.A O VAL 53.A H 3.424 2.503 TYR 55.A N LYS 46.A O TYR 55.A H 3.105 2.370 CYS 56.A SG GLN 42.A OE1 no hydrogen 3.474 N/A LEU 60.A N CYS 56.A O LEU 60.A H 3.323 2.492 LYS 61.A N ASP 57.A O LYS 61.A H 2.696 1.937 LYS 61.A N GLU 58.A O LYS 61.A H 2.712 2.007 ALA 62.A N GLU 58.A O ALA 62.A H 3.115 2.261 THR 63.A N CYS 59.A O THR 63.A H 2.738 1.796 THR 63.A OG1 CYS 59.A O THR 63.A HG1 3.476 2.692 HIS 64.A N LEU 60.A O HIS 64.A H 2.705 2.007 ASN 66.A ND2 HIS 64.A O ASN 66.A HD21 3.342 2.768 LYS 68.A N ASN 66.A OD1 LYS 68.A H 3.279 2.472 HIS 73.A ND1 HIS 64.A NE2 no hydrogen 2.893 N/A