Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1b3z_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ALA 1.A N ASP 39.A OD2 no hydrogen 2.854 N/A SER 4.A OG ALA 38.A O no hydrogen 3.121 N/A ILE 5.A N TYR 294.A OH no hydrogen 3.085 N/A ASP 6.A N ASP 39.A O no hydrogen 3.252 N/A ALA 7.A N SER 4.A OG no hydrogen 3.244 N/A LYS 8.A N SER 4.A O no hydrogen 3.075 N/A LYS 8.A NZ ALA 298.A O no hydrogen 3.082 N/A LYS 8.A NZ LEU 301.A OXT no hydrogen 3.353 N/A PHE 9.A N ILE 5.A O no hydrogen 2.858 N/A LYS 10.A N ASP 6.A O no hydrogen 2.887 N/A LYS 10.A NZ ASP 6.A OD2 no hydrogen 2.885 N/A ALA 11.A N ALA 7.A O no hydrogen 3.020 N/A HIS 12.A N PHE 9.A O no hydrogen 2.903 N/A HIS 12.A NE2 LEU 301.A O no hydrogen 2.674 N/A GLY 13.A N LYS 10.A O no hydrogen 2.828 N/A LYS 14.A NZ CYS 255.A O no hydrogen 2.863 N/A LYS 14.A NZ CYS 261.A O no hydrogen 2.766 N/A LYS 15.A N VAL 262.A O no hydrogen 2.808 N/A LYS 15.A NZ TYR 124.A OH no hydrogen 2.737 N/A LYS 15.A NZ GLU 232.A OE1 no hydrogen 3.543 N/A LEU 17.A N ASP 6.A OD1 no hydrogen 2.943 N/A GLY 18.A N ILE 264.A O no hydrogen 2.734 N/A THR 19.A N GLN 42.A O no hydrogen 3.041 N/A THR 19.A OG1 VAL 266.A O no hydrogen 3.040 N/A THR 19.A OG1 GLY 268.A O no hydrogen 2.897 N/A ILE 20.A N THR 19.A OG1 no hydrogen 2.802 N/A GLY 21.A N THR 44.A O no hydrogen 3.050 N/A THR 25.A OG1 ASP 22.A O no hydrogen 3.539 N/A LEU 26.A N ASP 22.A O no hydrogen 3.045 N/A THR 27.A N TYR 24.A O no hydrogen 3.063 N/A THR 27.A OG1 GLN 23.A O no hydrogen 2.779 N/A THR 27.A OG1 TYR 24.A O no hydrogen 3.398 N/A LYS 28.A NZ TYR 24.A OH no hydrogen 3.394 N/A LYS 28.A NZ ASP 273.A OD1 no hydrogen 2.829 N/A LYS 28.A NZ TYR 288.A OH no hydrogen 3.214 N/A LYS 31.A NZ ASN 287.A O no hydrogen 2.877 N/A LYS 31.A NZ ASN 289.A OD1 no hydrogen 2.758 N/A ASN 32.A N ASN 29.A OD1 no hydrogen 2.792 N/A ASN 32.A ND2 THR 25.A O no hydrogen 2.733 N/A ALA 34.A N THR 30.A O no hydrogen 3.396 N/A ILE 35.A N LYS 31.A O no hydrogen 2.729 N/A ILE 36.A N ASN 32.A O no hydrogen 3.004 N/A LYS 37.A N PRO 33.A O no hydrogen 2.981 N/A LYS 37.A NZ ASN 76.A OD1 no hydrogen 3.257 N/A ALA 38.A N ALA 34.A O no hydrogen 3.130 N/A ASP 39.A N ILE 35.A O no hydrogen 2.911 N/A PHE 40.A N ILE 36.A O no hydrogen 3.398 N/A GLY 41.A N LEU 17.A O no hydrogen 3.033 N/A GLN 42.A NE2 THR 44.A OG1 no hydrogen 2.853 N/A LEU 43.A N LEU 79.A O no hydrogen 2.793 N/A THR 44.A N THR 19.A O no hydrogen 3.085 N/A GLU 46.A N GLY 21.A O no hydrogen 2.993 N/A ASN 47.A N ASP 22.A OD2 no hydrogen 2.925 N/A SER 48.A N ASP 22.A OD2 no hydrogen 3.079 N/A SER 48.A OG ASP 22.A OD1 no hydrogen 2.650 N/A LYS 50.A N ASN 47.A O no hydrogen 3.174 N/A LYS 50.A NZ GLU 46.A O no hydrogen 3.014 N/A LYS 50.A NZ ASN 47.A OD1 no hydrogen 2.752 N/A LYS 50.A NZ GLN 90.A OE1 no hydrogen 2.862 N/A ASP 52.A N GLN 90.A O no hydrogen 3.073 N/A ALA 53.A N LYS 50.A O no hydrogen 3.069 N/A THR 54.A N LYS 50.A O no hydrogen 2.953 N/A THR 54.A N TRP 51.A O no hydrogen 3.291 N/A THR 54.A OG1 LYS 50.A O no hydrogen 2.887 N/A GLU 55.A N TRP 51.A O no hydrogen 2.896 N/A GLY 59.A N GLU 55.A OE2 no hydrogen 2.840 N/A GLN 60.A N ASN 57.A O no hydrogen 2.933 N/A THR 62.A N THR 54.A O no hydrogen 2.873 N/A THR 62.A OG1 ALA 53.A O no hydrogen 2.772 N/A SER 66.A OG PHE 63.A O no hydrogen 3.494 N/A SER 66.A OG TYR 119.A OH no hydrogen 2.729 N/A ASP 67.A N PHE 63.A O no hydrogen 2.956 N/A TYR 68.A N SER 64.A O no hydrogen 3.197 N/A LEU 69.A N GLY 65.A O no hydrogen 3.139 N/A VAL 70.A N SER 66.A O no hydrogen 2.903 N/A ASN 71.A N ASP 67.A O no hydrogen 2.764 N/A PHE 72.A N TYR 68.A O no hydrogen 2.858 N/A ALA 73.A N LEU 69.A O no hydrogen 3.013 N/A GLN 74.A N VAL 70.A O no hydrogen 2.786 N/A SER 75.A N ASN 71.A O no hydrogen 2.880 N/A SER 75.A OG ASN 71.A O no hydrogen 2.663 N/A ASN 76.A N ALA 73.A O no hydrogen 3.056 N/A ASN 76.A ND2 PHE 72.A O no hydrogen 2.809 N/A LYS 78.A N ALA 73.A O no hydrogen 2.952 N/A LYS 78.A NZ LYS 37.A O no hydrogen 2.880 N/A LYS 78.A NZ PHE 40.A O no hydrogen 2.786 N/A LEU 79.A N GLY 41.A O no hydrogen 3.025 N/A ARG 81.A N LEU 43.A O no hydrogen 3.100 N/A ARG 81.A NH1 ASP 127.A OD1 no hydrogen 3.530 N/A ARG 81.A NH1 ASP 127.A OD2 no hydrogen 3.086 N/A ARG 81.A NH2 ASP 127.A OD1 no hydrogen 2.832 N/A GLY 82.A N ALA 125.A O no hydrogen 2.650 N/A HIS 83.A ND1 ASP 127.A OD2 no hydrogen 2.908 N/A THR 84.A OG1 ASP 127.A O no hydrogen 2.901 N/A LEU 85.A N ASP 127.A O no hydrogen 3.201 N/A VAL 86.A N VAL 128.A O no hydrogen 2.963 N/A TRP 87.A NE1 GLU 131.A OE1 no hydrogen 2.807 N/A GLN 90.A NE2 ASN 47.A OD1 no hydrogen 3.156 N/A GLN 90.A NE2 ASP 52.A OD2 no hydrogen 3.291 N/A TRP 94.A NE1 GLU 55.A O no hydrogen 3.056 N/A VAL 95.A N PRO 92.A O no hydrogen 2.991 N/A SER 96.A OG GLY 93.A O no hydrogen 3.494 N/A SER 97.A N GLY 93.A O no hydrogen 3.208 N/A SER 97.A OG GLY 93.A O no hydrogen 3.155 N/A SER 97.A OG TRP 94.A O no hydrogen 3.215 N/A ILE 98.A N VAL 95.A O no hydrogen 3.075 N/A LYS 101.A NZ ILE 148.A O no hydrogen 3.294 N/A THR 103.A N ASP 100.A OD2 no hydrogen 3.026 N/A THR 103.A OG1 ASP 100.A OD2 no hydrogen 2.651 N/A LEU 104.A N ASP 100.A O no hydrogen 3.003 N/A ILE 105.A N LYS 101.A O no hydrogen 3.006 N/A SER 106.A N ASN 102.A O no hydrogen 3.044 N/A VAL 107.A N THR 103.A O no hydrogen 2.952 N/A LEU 108.A N LEU 104.A O no hydrogen 2.746 N/A LYS 109.A N ILE 105.A O no hydrogen 2.899 N/A ASN 110.A N SER 106.A O no hydrogen 2.951 N/A HIS 111.A N VAL 107.A O no hydrogen 2.949 N/A HIS 111.A ND1 GLU 55.A OE1 no hydrogen 2.763 N/A ILE 112.A N LEU 108.A O no hydrogen 3.007 N/A THR 113.A N LYS 109.A O no hydrogen 2.835 N/A THR 113.A OG1 LYS 109.A O no hydrogen 2.638 N/A THR 114.A N ASN 110.A O no hydrogen 2.886 N/A THR 114.A OG1 ASN 110.A O no hydrogen 2.731 N/A VAL 115.A N HIS 111.A O no hydrogen 3.109 N/A MET 116.A N ILE 112.A O no hydrogen 2.934 N/A THR 117.A N THR 113.A O no hydrogen 2.800 N/A THR 117.A OG1 THR 113.A O no hydrogen 2.649 N/A ARG 118.A N THR 114.A O no hydrogen 3.199 N/A ARG 118.A NE ASP 67.A OD1 no hydrogen 2.870 N/A ARG 118.A NH2 ASP 67.A OD1 no hydrogen 3.559 N/A ARG 118.A NH2 ASP 67.A OD2 no hydrogen 2.839 N/A TYR 119.A N MET 116.A O no hydrogen 3.295 N/A TYR 119.A OH SER 66.A OG no hydrogen 2.729 N/A TYR 119.A OH ASP 67.A OD1 no hydrogen 2.785 N/A LYS 120.A N THR 117.A O no hydrogen 3.201 N/A GLY 121.A N ASP 164.A OD2 no hydrogen 2.974 N/A LYS 122.A N TYR 119.A O no hydrogen 2.920 N/A TYR 124.A N ILE 80.A O no hydrogen 2.796 N/A TYR 124.A OH GLU 232.A OE2 no hydrogen 2.846 N/A ALA 125.A N ILE 80.A O no hydrogen 3.346 N/A TRP 126.A N LYS 168.A O no hydrogen 2.855 N/A ASP 127.A N GLY 82.A O no hydrogen 2.892 N/A VAL 128.A N TYR 170.A O no hydrogen 2.870 N/A LEU 129.A N TYR 170.A O no hydrogen 3.407 N/A ASN 130.A N VAL 86.A O no hydrogen 2.963 N/A GLU 131.A N ASN 172.A O no hydrogen 2.891 N/A ASN 134.A N SER 138.A O no hydrogen 2.744 N/A ASN 134.A ND2 SER 138.A OG no hydrogen 2.930 N/A GLY 137.A N ASN 134.A O no hydrogen 2.930 N/A SER 138.A N ASP 136.A OD1 no hydrogen 3.178 N/A SER 138.A OG ASP 136.A OD1 no hydrogen 2.668 N/A ARG 140.A N ILE 132.A O no hydrogen 2.669 N/A ARG 140.A NE GLU 131.A O no hydrogen 2.947 N/A SER 142.A N ARG 140.A O no hydrogen 2.931 N/A ASN 146.A N SER 142.A O no hydrogen 2.828 N/A ASN 146.A ND2 ASN 141.A O no hydrogen 3.239 N/A VAL 147.A N VAL 143.A O no hydrogen 2.857 N/A ILE 148.A N PHE 144.A O no hydrogen 2.885 N/A TYR 152.A N GLY 149.A O no hydrogen 3.152 N/A VAL 153.A N GLU 150.A O no hydrogen 3.133 N/A ARG 154.A NE.B ASP 151.A OD1 no hydrogen 2.807 N/A ARG 154.A NH1.A GLU 158.A OE2 no hydrogen 2.771 N/A ARG 154.A NH1.B GLU 158.A OE1 no hydrogen 2.862 N/A ARG 154.A NH2.A ALA 197.A O no hydrogen 2.805 N/A ARG 154.A NH2.B ASP 151.A OD1 no hydrogen 3.456 N/A ARG 154.A NH2.B ASP 151.A OD2 no hydrogen 2.731 N/A ILE 155.A N ASP 151.A O no hydrogen 3.024 N/A ALA 156.A N TYR 152.A O no hydrogen 2.900 N/A PHE 157.A N VAL 153.A O no hydrogen 3.218 N/A GLU 158.A N ARG 154.A O no hydrogen 2.907 N/A THR 159.A N ILE 155.A O no hydrogen 3.000 N/A THR 159.A OG1 ILE 155.A O no hydrogen 2.697 N/A ALA 160.A N ALA 156.A O no hydrogen 2.984 N/A ARG 161.A N PHE 157.A O no hydrogen 2.860 N/A ARG 161.A NH1 ASP 202.A OD2 no hydrogen 2.874 N/A ARG 161.A NH2 ASP 202.A OD1 no hydrogen 2.871 N/A ARG 161.A NH2 ASP 202.A OD2 no hydrogen 3.442 N/A SER 162.A N GLU 158.A O no hydrogen 3.094 N/A SER 162.A OG GLU 158.A O no hydrogen 3.196 N/A SER 162.A OG THR 159.A O no hydrogen 2.854 N/A VAL 163.A N THR 159.A O no hydrogen 2.934 N/A ASP 164.A N ALA 160.A O no hydrogen 3.005 N/A ASN 166.A N ASP 164.A OD1 no hydrogen 3.206 N/A ALA 167.A N ASP 164.A O no hydrogen 3.207 N/A LYS 168.A N TYR 124.A O no hydrogen 2.941 N/A LYS 168.A NZ TYR 124.A OH no hydrogen 3.439 N/A LYS 168.A NZ GLU 232.A OE1 no hydrogen 2.831 N/A LEU 169.A N ASP 202.A OD2 no hydrogen 2.877 N/A TYR 170.A N TRP 126.A O no hydrogen 2.854 N/A TYR 170.A OH GLU 232.A OE2 no hydrogen 2.611 N/A ILE 171.A N GLY 203.A O no hydrogen 3.194 N/A ASN 172.A N LEU 129.A O no hydrogen 2.874 N/A ASN 172.A ND2 ASN 130.A OD1 no hydrogen 2.911 N/A ASN 172.A ND2 GLU 237.A OE2 no hydrogen 3.110 N/A ASP 173.A N GLY 205.A O no hydrogen 3.062 N/A TYR 174.A N ASP 173.A OD1 no hydrogen 2.853 N/A ASN 175.A ND2 GLU 135.A OE1 no hydrogen 2.856 N/A TYR 181.A N SER 178.A O no hydrogen 3.245 N/A TYR 181.A OH GLU 135.A OE1 no hydrogen 2.715 N/A SER 182.A OG GLU 135.A O no hydrogen 2.772 N/A LYS 183.A NZ GLU 135.A OE2 no hydrogen 2.803 N/A LYS 183.A NZ ASP 173.A OD1 no hydrogen 3.073 N/A LYS 183.A NZ TYR 174.A O no hydrogen 2.942 N/A ASN 185.A N TYR 181.A O no hydrogen 2.950 N/A ASN 185.A ND2 GLY 180.A O no hydrogen 3.251 N/A GLY 186.A N SER 182.A O no hydrogen 2.887 N/A MET 187.A N LYS 183.A O no hydrogen 2.805 N/A VAL 188.A N VAL 184.A O no hydrogen 2.902 N/A SER 189.A N ASN 185.A O no hydrogen 3.001 N/A SER 189.A OG ASN 185.A O no hydrogen 3.082 N/A SER 189.A OG GLY 186.A O no hydrogen 3.433 N/A HIS 190.A N GLY 186.A O no hydrogen 3.156 N/A HIS 190.A ND1 GLY 186.A O no hydrogen 2.733 N/A VAL 191.A N MET 187.A O no hydrogen 3.051 N/A LYS 192.A N VAL 188.A O no hydrogen 3.027 N/A LYS 193.A N SER 189.A O no hydrogen 3.227 N/A LYS 193.A NZ GLU 150.A OE2 no hydrogen 2.925 N/A TRP 194.A N HIS 190.A O no hydrogen 2.886 N/A TRP 194.A NE1 GLU 150.A OE2 no hydrogen 2.888 N/A LEU 195.A N VAL 191.A O no hydrogen 2.802 N/A ALA 196.A N LYS 192.A O no hydrogen 2.938 N/A ALA 197.A N LYS 193.A O no hydrogen 3.004 N/A ALA 197.A N TRP 194.A O no hydrogen 3.110 N/A GLY 198.A N LEU 195.A O no hydrogen 3.099 N/A ILE 199.A N TRP 194.A O no hydrogen 2.974 N/A ILE 201.A N ILE 199.A O no hydrogen 2.875 N/A ASP 202.A N LEU 169.A O no hydrogen 2.759 N/A GLY 203.A N LEU 169.A O no hydrogen 3.103 N/A ILE 204.A N GLU 232.A O no hydrogen 3.258 N/A GLY 205.A N ILE 171.A O no hydrogen 2.781 N/A SER 206.A N ALA 234.A O no hydrogen 2.801 N/A SER 206.A OG LEU 176.A O no hydrogen 3.371 N/A GLN 207.A N ASP 173.A O no hydrogen 2.896 N/A GLN 207.A NE2 ASN 130.A OD1 no hydrogen 3.278 N/A GLN 207.A NE2 GLU 131.A OE2 no hydrogen 3.236 N/A THR 208.A OG1 SER 206.A O no hydrogen 2.928 N/A HIS 209.A ND1 ASP 239.A OD1 no hydrogen 2.847 N/A HIS 209.A ND1 ASP 239.A OD2 no hydrogen 3.001 N/A HIS 209.A NE2 GLU 237.A OE1 no hydrogen 2.898 N/A LEU 210.A N ASP 239.A O no hydrogen 2.939 N/A GLY 213.A N ASP 247.A OD2 no hydrogen 2.821 N/A ALA 214.A N GLY 211.A O no hydrogen 3.350 N/A GLY 215.A N ASP 247.A OD1 no hydrogen 3.023 N/A ALA 217.A N ALA 214.A O no hydrogen 3.423 N/A VAL 218.A N GLY 215.A O no hydrogen 3.170 N/A ALA 221.A N ALA 217.A O no hydrogen 3.333 N/A LEU 222.A N VAL 218.A O no hydrogen 2.959 N/A ASN 223.A N ALA 219.A O no hydrogen 3.041 N/A ALA 224.A N GLY 220.A O no hydrogen 2.899 N/A LEU 225.A N ALA 221.A O no hydrogen 2.869 N/A ALA 226.A N LEU 222.A O no hydrogen 2.973 N/A SER 227.A N ALA 224.A O no hydrogen 3.009 N/A ALA 228.A N LEU 225.A O no hydrogen 3.144 N/A THR 230.A OG1 GLU 232.A O no hydrogen 2.806 N/A GLU 232.A N ASP 202.A O no hydrogen 3.157 N/A ILE 233.A N LYS 260.A O no hydrogen 2.949 N/A ALA 234.A N ILE 204.A O no hydrogen 3.001 N/A ILE 235.A N GLY 263.A O no hydrogen 3.169 N/A THR 236.A N SER 206.A O no hydrogen 2.974 N/A THR 236.A OG1 ASN 172.A OD1 no hydrogen 2.578 N/A GLU 237.A N GLN 207.A O no hydrogen 2.912 N/A LEU 238.A N THR 265.A O no hydrogen 2.927 N/A ILE 240.A N PRO 281.A O no hydrogen 3.100 N/A ALA 241.A N LEU 210.A O no hydrogen 3.036 N/A GLY 242.A N SER 279.A O no hydrogen 2.947 N/A ALA 243.A N ILE 240.A O no hydrogen 2.795 N/A SER 244.A OG ASP 247.A OD2 no hydrogen 2.991 N/A ASP 247.A N SER 244.A OG no hydrogen 3.296 N/A TYR 248.A N SER 244.A O no hydrogen 3.002 N/A TYR 248.A OH PRO 281.A O no hydrogen 2.612 N/A VAL 249.A N SER 245.A O no hydrogen 2.759 N/A ASN 250.A N THR 246.A O no hydrogen 3.003 N/A VAL 251.A N ASP 247.A O no hydrogen 2.937 N/A VAL 252.A N TYR 248.A O no hydrogen 2.929 N/A ASN 253.A N VAL 249.A O no hydrogen 2.876 N/A ALA 254.A N ASN 250.A O no hydrogen 2.901 N/A CYS 255.A N VAL 251.A O no hydrogen 3.270 N/A CYS 255.A SG CYS 261.A O no hydrogen 3.623 N/A CYS 255.A SG GLY 263.A O no hydrogen 3.877 N/A LEU 256.A N VAL 252.A O no hydrogen 2.849 N/A ASN 257.A N ASN 253.A O no hydrogen 2.914 N/A GLN 258.A N CYS 255.A O no hydrogen 3.075 N/A GLN 258.A NE2 ASN 223.A OD1 no hydrogen 2.915 N/A LYS 260.A N GLN 258.A OE1 no hydrogen 3.017 N/A LYS 260.A NZ ALA 226.A O no hydrogen 2.740 N/A LYS 260.A NZ THR 230.A O no hydrogen 2.751 N/A CYS 261.A N GLN 258.A O no hydrogen 3.146 N/A CYS 261.A SG GLY 263.A O no hydrogen 3.606 N/A VAL 262.A N ILE 233.A O no hydrogen 3.121 N/A ILE 264.A N TYR 16.A O no hydrogen 3.317 N/A THR 265.A N ILE 235.A O no hydrogen 2.850 N/A THR 265.A OG1 GLN 42.A OE1 no hydrogen 2.689 N/A VAL 266.A N GLY 18.A O no hydrogen 2.852 N/A TRP 267.A N LEU 238.A O no hydrogen 2.831 N/A GLY 268.A N VAL 266.A O no hydrogen 2.758 N/A ASP 271.A N PHE 284.A O no hydrogen 2.950 N/A ASP 273.A N ALA 270.A O no hydrogen 3.036 N/A SER 274.A N ASP 271.A O no hydrogen 3.007 N/A TRP 275.A NE1 ASP 239.A OD2 no hydrogen 2.896 N/A ARG 276.A N SER 274.A OG no hydrogen 2.874 N/A ARG 276.A NH1 LEU 210.A O no hydrogen 3.034 N/A ARG 276.A NH1 ASP 239.A OD1 no hydrogen 2.757 N/A ARG 276.A NH2 LEU 210.A O no hydrogen 3.052 N/A SER 277.A N SER 274.A O no hydrogen 3.217 N/A SER 279.A N ARG 276.A O no hydrogen 3.087 N/A SER 279.A OG ARG 276.A O no hydrogen 2.771 N/A SER 280.A N SER 277.A O no hydrogen 3.069 N/A LEU 282.A N ASP 271.A OD1 no hydrogen 2.847 N/A PHE 284.A N VAL 269.A O no hydrogen 3.199 N/A ASP 285.A N ASN 289.A O no hydrogen 2.931 N/A ASN 287.A N ASP 285.A OD1 no hydrogen 3.061 N/A TYR 288.A N ASP 285.A O no hydrogen 2.787 N/A TYR 288.A OH ASP 273.A OD2 no hydrogen 2.635 N/A ASN 289.A N ASP 285.A OD1 no hydrogen 2.954 N/A LYS 291.A N LEU 283.A O no hydrogen 2.872 N/A LYS 291.A NZ ASP 271.A OD1 no hydrogen 3.485 N/A LYS 291.A NZ ASP 271.A OD2 no hydrogen 2.828 N/A LYS 291.A NZ LEU 282.A O no hydrogen 2.918 N/A TYR 294.A N LYS 291.A O no hydrogen 3.195 N/A TYR 294.A OH VAL 3.A O no hydrogen 2.659 N/A ALA 296.A N ALA 292.A O no hydrogen 2.822 N/A ILE 297.A N ALA 293.A O no hydrogen 2.860 N/A ALA 298.A N TYR 294.A O no hydrogen 3.068 N/A ASN 299.A N ASN 295.A O no hydrogen 2.850 N/A ALA 300.A N ILE 297.A O no hydrogen 3.032 N/A LEU 301.A N ALA 298.A O no hydrogen 3.269 N/A