Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 4u3f_G.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): PHE 20.A N SER 18.A OG no hydrogen 3.289 N/A GLU 21.A N SER 18.A O no hydrogen 3.052 N/A ARG 23.A NH1 ASN 27.A OD1 no hydrogen 3.162 N/A ARG 23.A NH2 ASN 27.A OD1 no hydrogen 3.557 N/A ASP 31.A N ASN 27.A O no hydrogen 3.108 N/A ALA 32.A N ASN 27.A O no hydrogen 2.939 N/A LEU 33.A N ILE 28.A O no hydrogen 2.824 N/A ASN 35.A N ALA 32.A O no hydrogen 3.115 N/A ASN 35.A ND2 ASP 31.A O no hydrogen 2.636 N/A VAL 36.A N ALA 32.A O no hydrogen 3.103 N/A TRP 37.A N LEU 33.A O no hydrogen 3.149 N/A ARG 38.A N PRO 34.A O no hydrogen 3.235 N/A ARG 39.A N ASN 35.A O no hydrogen 2.722 N/A PHE 40.A N VAL 36.A O no hydrogen 3.180 N/A SER 41.A N TRP 37.A O no hydrogen 2.680 N/A SER 41.A OG TRP 37.A O no hydrogen 2.505 N/A SER 42.A N ARG 38.A O no hydrogen 3.003 N/A SER 42.A OG ARG 38.A O no hydrogen 3.441 N/A SER 42.A OG ARG 39.A O no hydrogen 3.089 N/A VAL 44.A N PHE 40.A O no hydrogen 3.149 N/A LYS 46.A N GLN 43.A O no hydrogen 2.861 N/A VAL 47.A N GLN 43.A O no hydrogen 2.937 N/A ALA 48.A N VAL 44.A O no hydrogen 3.307 N/A LEU 52.A N ALA 48.A O no hydrogen 2.654 N/A GLY 53.A N PRO 49.A O no hydrogen 2.913 N/A ALA 54.A N PRO 50.A O no hydrogen 2.849 N/A TYR 55.A N PHE 51.A O no hydrogen 3.062 N/A LEU 56.A N LEU 52.A O no hydrogen 3.231 N/A LEU 57.A N GLY 53.A O no hydrogen 3.329 N/A TYR 58.A N ALA 54.A O no hydrogen 3.044 N/A SER 59.A N TYR 55.A O no hydrogen 2.744 N/A TRP 60.A N LEU 56.A O no hydrogen 2.947 N/A GLY 61.A N LEU 57.A O no hydrogen 2.862 N/A THR 62.A N TYR 58.A O no hydrogen 2.990 N/A THR 62.A OG1 TYR 58.A O no hydrogen 3.056 N/A GLN 63.A N SER 59.A O no hydrogen 3.208 N/A GLU 64.A N TRP 60.A O no hydrogen 2.784 N/A PHE 65.A N GLY 61.A O no hydrogen 3.220 N/A GLU 66.A N THR 62.A O no hydrogen 2.971 N/A ARG 67.A N GLN 63.A O no hydrogen 2.744 N/A ARG 67.A NE GLU 64.A OE1 no hydrogen 3.133 N/A ARG 67.A NH2 GLU 64.A OE1 no hydrogen 3.428 N/A LEU 68.A N GLU 64.A O no hydrogen 3.065 N/A LYS 69.A N GLU 66.A O no hydrogen 3.026 N/A LYS 69.A NZ GLU 66.A OE2 no hydrogen 3.365 N/A ALA 74.A N ASN 72.A OD1 no hydrogen 3.516 N/A ASP 75.A N ASN 72.A O no hydrogen 2.904 N/A ASP 79.A N TYR 76.A O no hydrogen 2.684 N/A