Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2bcq_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ASN 2.A ND2 LEU 35.A O no hydrogen 3.546 N/A ASN 2.A ND2 LYS 40.A O no hydrogen 3.688 N/A ILE 5.A N ASN 2.A O no hydrogen 3.121 N/A THR 6.A N ASN 2.A O no hydrogen 2.968 N/A THR 6.A OG1 ASN 2.A O no hydrogen 3.156 N/A GLU 7.A N LEU 3.A O no hydrogen 2.908 N/A LYS 8.A N ILE 5.A O no hydrogen 3.292 N/A LEU 9.A N ILE 5.A O no hydrogen 3.173 N/A GLU 10.A N.A THR 6.A O no hydrogen 2.722 N/A GLU 10.A N.B THR 6.A O no hydrogen 2.720 N/A VAL 11.A N LYS 8.A O no hydrogen 3.126 N/A ALA 13.A N LEU 9.A O no hydrogen 2.754 N/A LYS 14.A N GLU 10.A O.A no hydrogen 3.026 N/A LYS 14.A N GLU 10.A O.B no hydrogen 3.007 N/A LYS 14.A NZ GLU 85.A OE2 no hydrogen 3.228 N/A ALA 15.A N VAL 11.A O no hydrogen 3.032 N/A TYR 16.A N LEU 12.A O no hydrogen 2.891 N/A SER 17.A N ALA 13.A O no hydrogen 3.004 N/A VAL 18.A N LYS 14.A O no hydrogen 2.951 N/A GLN 19.A N ALA 15.A O no hydrogen 3.183 N/A GLY 20.A N SER 17.A O no hydrogen 3.083 N/A ASP 21.A N TYR 16.A O no hydrogen 2.933 N/A ARG 24.A NE ASP 21.A OD2 no hydrogen 2.903 N/A ARG 24.A NH2 ASP 21.A OD2 no hydrogen 3.012 N/A ALA 25.A N ASP 21.A O no hydrogen 2.991 N/A LEU 26.A N LYS 22.A O no hydrogen 2.887 N/A GLY 27.A N TRP 23.A O no hydrogen 2.954 N/A TYR 28.A N ARG 24.A O no hydrogen 3.039 N/A ALA 29.A N ALA 25.A O no hydrogen 2.869 N/A LYS 30.A N LEU 26.A O no hydrogen 2.969 N/A ALA 31.A N GLY 27.A O no hydrogen 3.045 N/A ILE 32.A N TYR 28.A O no hydrogen 2.761 N/A ASN 33.A N ALA 29.A O no hydrogen 2.867 N/A ASN 33.A ND2 TRP 324.A O no hydrogen 3.159 N/A ALA 34.A N LYS 30.A O no hydrogen 2.840 N/A LEU 35.A N ALA 31.A O no hydrogen 2.928 N/A LYS 36.A N ILE 32.A O no hydrogen 3.023 N/A LYS 36.A N ASN 33.A O no hydrogen 3.132 N/A LYS 36.A NZ GLU 10.A OE2.A no hydrogen 2.700 N/A SER 37.A N ASN 33.A O no hydrogen 2.736 N/A LYS 40.A NZ PRO 41.A O no hydrogen 3.349 N/A LYS 40.A NZ THR 43.A OG1 no hydrogen 3.312 N/A LYS 40.A NZ GLU 47.A OE1 no hydrogen 3.079 N/A LYS 40.A NZ GLU 47.A OE2 no hydrogen 2.782 N/A THR 43.A N GLU 47.A OE1 no hydrogen 2.664 N/A THR 43.A OG1 GLU 47.A OE1 no hydrogen 3.518 N/A ALA 48.A N SER 44.A O no hydrogen 3.012 N/A ALA 48.A N TYR 45.A O no hydrogen 2.736 N/A CYS 49.A N TYR 45.A O no hydrogen 3.122 N/A CYS 49.A SG TYR 45.A O no hydrogen 3.581 N/A SER 50.A N GLN 46.A O no hydrogen 3.209 N/A SER 50.A OG GLN 46.A O no hydrogen 3.249 N/A SER 50.A OG GLU 47.A O no hydrogen 2.633 N/A ILE 51.A N ALA 48.A O no hydrogen 2.790 N/A ILE 54.A N ILE 51.A O no hydrogen 3.137 N/A ALA 59.A N GLY 55.A O no hydrogen 2.872 N/A GLU 60.A N LYS 56.A O no hydrogen 2.864 N/A LYS 61.A N.A ARG 57.A O no hydrogen 3.304 N/A LYS 61.A N.B ARG 57.A O no hydrogen 3.298 N/A LYS 61.A N.B MET 58.A O no hydrogen 3.078 N/A ILE 62.A N MET 58.A O no hydrogen 2.950 N/A ILE 63.A N ALA 59.A O no hydrogen 2.975 N/A GLU 64.A N GLU 60.A O no hydrogen 3.216 N/A ILE 65.A N LYS 61.A O.A no hydrogen 3.326 N/A ILE 65.A N LYS 61.A O.B no hydrogen 3.309 N/A ILE 65.A N ILE 62.A O no hydrogen 2.991 N/A LEU 66.A N ILE 62.A O no hydrogen 3.240 N/A LEU 66.A N ILE 63.A O no hydrogen 2.911 N/A GLU 67.A N ILE 63.A O no hydrogen 2.855 N/A SER 68.A N GLU 64.A O no hydrogen 2.927 N/A HIS 70.A NE2 ASP 75.A OD2 no hydrogen 2.801 N/A ARG 72.A N GLU 64.A OE1 no hydrogen 2.963 N/A LYS 73.A NZ TYR 16.A OH no hydrogen 2.931 N/A LEU 74.A N LEU 71.A O no hydrogen 2.803 N/A ASP 75.A N ARG 72.A O no hydrogen 2.959 N/A HIS 76.A N LYS 73.A O no hydrogen 2.969 N/A SER 78.A OG SER 80.A OG no hydrogen 2.849 N/A SER 80.A N SER 78.A OG no hydrogen 3.192 N/A SER 80.A OG SER 78.A OG no hydrogen 2.849 N/A VAL 81.A N SER 78.A O no hydrogen 3.167 N/A LEU 84.A N SER 80.A O no hydrogen 2.844 N/A GLU 85.A N VAL 81.A O no hydrogen 2.882 N/A LEU 86.A N PRO 82.A O no hydrogen 2.976 N/A PHE 87.A N VAL 83.A O no hydrogen 2.896 N/A SER 88.A N LEU 84.A O no hydrogen 2.864 N/A SER 88.A OG LEU 84.A O no hydrogen 2.835 N/A SER 88.A OG GLU 85.A O no hydrogen 3.373 N/A ASN 89.A N GLU 85.A O no hydrogen 3.116 N/A ILE 90.A N PHE 87.A O no hydrogen 3.075 N/A ALA 93.A N ILE 90.A O no hydrogen 3.045 N/A THR 95.A OG1.A VAL 18.A O no hydrogen 2.890 N/A ALA 98.A N GLY 94.A O no hydrogen 2.930 N/A GLN 99.A N THR 95.A O.A no hydrogen 2.922 N/A GLN 99.A N THR 95.A O.B no hydrogen 2.876 N/A GLN 99.A NE2 THR 95.A O.A no hydrogen 3.266 N/A GLN 99.A NE2 THR 95.A O.B no hydrogen 3.373 N/A GLN 99.A NE2 THR 95.A OG1.A no hydrogen 2.707 N/A MET 100.A N LYS 96.A O no hydrogen 3.031 N/A TRP 101.A N THR 97.A O no hydrogen 2.911 N/A TYR 102.A N ALA 98.A O no hydrogen 3.002 N/A GLN 103.A N.A GLN 99.A O no hydrogen 2.958 N/A GLN 103.A N.B GLN 99.A O no hydrogen 2.968 N/A GLN 104.A N MET 100.A O no hydrogen 2.923 N/A GLY 105.A N TYR 102.A O no hydrogen 2.997 N/A PHE 106.A N TRP 101.A O no hydrogen 3.034 N/A ARG 107.A N ASP 111.A OD1 no hydrogen 2.856 N/A ARG 107.A NH1 TYR 102.A O no hydrogen 2.911 N/A ARG 107.A NH1 PHE 106.A O no hydrogen 2.824 N/A SER 108.A N ASP 111.A OD1 no hydrogen 3.352 N/A ASP 111.A N SER 108.A OG no hydrogen 3.262 N/A ILE 112.A N SER 108.A O no hydrogen 3.127 N/A ARG 113.A N LEU 109.A O no hydrogen 2.824 N/A ARG 113.A NE GLU 110.A OE1 no hydrogen 3.195 N/A ARG 113.A NH2 GLU 110.A OE2 no hydrogen 2.672 N/A SER 114.A N GLU 110.A O no hydrogen 3.010 N/A SER 114.A OG GLU 110.A O no hydrogen 2.851 N/A GLN 115.A N ASP 111.A O no hydrogen 2.840 N/A ALA 116.A N ILE 112.A O no hydrogen 3.036 N/A THR 119.A N GLN 122.A OE1 no hydrogen 3.020 N/A GLN 121.A NE2 LEU 210.A O no hydrogen 2.867 N/A GLN 122.A N THR 119.A OG1 no hydrogen 3.074 N/A GLN 122.A NE2 GLY 92.A O no hydrogen 2.963 N/A ALA 123.A N THR 119.A O no hydrogen 3.028 N/A ILE 124.A N THR 120.A O no hydrogen 3.339 N/A GLY 125.A N GLN 121.A O no hydrogen 2.806 N/A LEU 126.A N GLN 122.A O no hydrogen 2.792 N/A LYS 127.A N ALA 123.A O no hydrogen 3.079 N/A LYS 127.A NZ ASP 208.A OD1 no hydrogen 2.596 N/A HIS 128.A N ILE 124.A O no hydrogen 3.128 N/A HIS 128.A ND1 ASP 131.A OD1 no hydrogen 2.974 N/A TYR 129.A N LEU 126.A O no hydrogen 3.001 N/A TYR 129.A OH LEU 86.A O no hydrogen 2.659 N/A PHE 132.A N HIS 128.A O no hydrogen 2.881 N/A LEU 133.A N SER 130.A O no hydrogen 3.032 N/A GLU 134.A N ASP 131.A O no hydrogen 3.227 N/A ARG 135.A NE THR 173.A OG1 no hydrogen 2.904 N/A ARG 135.A NH2 THR 173.A O no hydrogen 2.880 N/A MET 136.A N CYS 174.A O no hydrogen 2.797 N/A ARG 138.A N ALA 172.A O no hydrogen 2.890 N/A ARG 138.A NH1 TYR 167.A O no hydrogen 3.020 N/A ARG 138.A NH1 LYS 171.A O no hydrogen 2.728 N/A ARG 138.A NH2 TYR 167.A O no hydrogen 3.189 N/A GLU 140.A N PRO 137.A O no hydrogen 2.927 N/A ALA 141.A N PRO 137.A O no hydrogen 3.466 N/A THR 142.A N ARG 138.A O no hydrogen 2.992 N/A THR 142.A OG1 ARG 138.A O no hydrogen 3.164 N/A THR 142.A OG1 TYR 167.A OH no hydrogen 2.741 N/A GLU 143.A N GLU 139.A O no hydrogen 3.245 N/A ILE 144.A N GLU 140.A O no hydrogen 2.982 N/A GLU 145.A N ALA 141.A O no hydrogen 2.893 N/A GLN 146.A N THR 142.A O no hydrogen 2.872 N/A THR 147.A N GLU 143.A O no hydrogen 2.947 N/A THR 147.A OG1 GLU 143.A O no hydrogen 2.792 N/A VAL 148.A N ILE 144.A O no hydrogen 3.065 N/A GLN 149.A N GLU 145.A O no hydrogen 2.836 N/A GLN 149.A NE2 GLN 153.A OE1 no hydrogen 3.181 N/A LYS 150.A N GLN 146.A O no hydrogen 2.869 N/A ALA 151.A N THR 147.A O no hydrogen 3.210 N/A ALA 152.A N VAL 148.A O no hydrogen 2.947 N/A GLN 153.A N GLN 149.A O no hydrogen 2.818 N/A GLN 153.A NE2 SER 157.A O no hydrogen 3.587 N/A GLN 153.A NE2 LEU 159.A O no hydrogen 3.338 N/A PHE 155.A N ALA 152.A O no hydrogen 3.360 N/A GLY 158.A N ASN 156.A OD1 no hydrogen 2.973 N/A LEU 159.A N ASN 156.A O no hydrogen 2.987 N/A LEU 160.A N THR 182.A O no hydrogen 2.810 N/A VAL 162.A N LEU 180.A O no hydrogen 2.895 N/A CYS 164.A N ASP 178.A O no hydrogen 2.641 N/A CYS 164.A SG VAL 162.A O no hydrogen 3.554 N/A GLY 165.A N PHE 255.A O no hydrogen 2.723 N/A TYR 167.A OH THR 142.A OG1 no hydrogen 2.741 N/A ARG 168.A N CYS 164.A O no hydrogen 3.106 N/A ARG 168.A NH1 THR 256.A OG1 no hydrogen 2.830 N/A ARG 168.A NH1 GLU 305.A OE1 no hydrogen 2.870 N/A ARG 168.A NH1 GLU 305.A OE2 no hydrogen 3.389 N/A ARG 168.A NH2 GLU 305.A OE2 no hydrogen 2.915 N/A ARG 169.A N GLY 165.A O no hydrogen 3.145 N/A ARG 169.A NE ASP 323.A OD2 no hydrogen 3.012 N/A ARG 169.A NH1 THR 256.A O no hydrogen 2.827 N/A ARG 169.A NH2 ASP 323.A OD2 no hydrogen 3.145 N/A GLY 170.A N TYR 167.A O no hydrogen 2.984 N/A LYS 171.A N SER 166.A O no hydrogen 3.008 N/A LYS 171.A NZ ASP 323.A OD1 no hydrogen 2.677 N/A CYS 174.A N MET 136.A O no hydrogen 2.789 N/A CYS 174.A SG SER 166.A OG no hydrogen 3.716 N/A VAL 177.A N ARG 237.A O no hydrogen 3.068 N/A VAL 179.A N ASP 239.A O no hydrogen 2.817 N/A LEU 180.A N VAL 162.A O no hydrogen 2.843 N/A ILE 181.A N ILE 241.A O no hydrogen 2.829 N/A THR 182.A N LEU 160.A O no hydrogen 3.024 N/A THR 182.A OG1 VAL 243.A O no hydrogen 2.684 N/A ASP 185.A N HIS 183.A ND1 no hydrogen 2.935 N/A GLY 186.A N HIS 183.A O no hydrogen 2.976 N/A ARG 187.A N ASP 185.A OD1 no hydrogen 2.625 N/A SER 188.A N ASP 185.A OD1 no hydrogen 2.747 N/A SER 188.A OG ASP 185.A OD1 no hydrogen 3.513 N/A SER 188.A OG ASP 185.A OD2 no hydrogen 2.468 N/A ARG 190.A N ARG 187.A O no hydrogen 3.220 N/A LEU 196.A N ILE 192.A O no hydrogen 2.796 N/A LEU 197.A N PHE 193.A O no hydrogen 2.619 N/A ASP 198.A N SER 194.A O no hydrogen 2.932 N/A SER 199.A N ARG 195.A O no hydrogen 3.030 N/A LEU 200.A N LEU 196.A O no hydrogen 2.977 N/A ARG 201.A N LEU 197.A O no hydrogen 2.919 N/A ARG 201.A NH1 ASP 198.A OD1 no hydrogen 3.197 N/A ARG 201.A NH1 GLU 214.A OE1 no hydrogen 3.131 N/A ARG 201.A NH2 ASP 209.A OD2 no hydrogen 2.951 N/A ARG 201.A NH2 GLU 214.A OE1 no hydrogen 3.500 N/A ARG 201.A NH2 GLU 214.A OE2 no hydrogen 2.750 N/A GLN 202.A N ASP 198.A O no hydrogen 2.920 N/A GLU 203.A N SER 199.A O no hydrogen 3.433 N/A GLY 204.A N ARG 201.A O no hydrogen 2.845 N/A PHE 205.A N LEU 200.A O no hydrogen 3.038 N/A LEU 206.A N LEU 200.A O no hydrogen 3.311 N/A THR 207.A N VAL 225.A O no hydrogen 2.856 N/A THR 207.A OG1 VAL 225.A O no hydrogen 3.451 N/A LEU 210.A N LEU 223.A O no hydrogen 2.878 N/A VAL 211.A N LEU 223.A O no hydrogen 2.972 N/A SER 212.A OG GLU 214.A OE2 no hydrogen 2.684 N/A GLU 214.A N SER 212.A O no hydrogen 3.093 N/A GLN 219.A N ASN 216.A O no hydrogen 3.083 N/A GLN 219.A NE2 SER 212.A OG no hydrogen 3.153 N/A GLN 219.A NE2 LYS 221.A O no hydrogen 2.894 N/A TYR 222.A N ILE 240.A O no hydrogen 2.818 N/A TYR 222.A OH ASP 209.A OD1 no hydrogen 2.715 N/A LEU 223.A N VAL 211.A O no hydrogen 2.859 N/A GLY 224.A N LEU 238.A O no hydrogen 2.834 N/A VAL 225.A N ASP 208.A O no hydrogen 2.837 N/A CYS 226.A N ARG 236.A O no hydrogen 2.904 N/A CYS 226.A SG ARG 236.A O no hydrogen 3.807 N/A ARG 227.A N PHE 205.A O no hydrogen 3.040 N/A ARG 233.A NE PRO 229.A O no hydrogen 3.487 N/A ARG 233.A NH1 GLU 143.A OE2 no hydrogen 3.070 N/A ARG 233.A NH2 GLU 143.A OE1 no hydrogen 2.874 N/A ARG 233.A NH2 GLU 143.A OE2 no hydrogen 3.324 N/A ARG 234.A NH2 ASP 131.A OD2 no hydrogen 3.037 N/A ARG 236.A N CYS 226.A O no hydrogen 2.785 N/A ARG 236.A NE GLU 140.A OE2 no hydrogen 2.951 N/A ARG 236.A NH2 GLU 140.A OE1 no hydrogen 2.938 N/A ARG 237.A NH1 GLY 224.A O no hydrogen 2.931 N/A ARG 237.A NH1 LEU 238.A O no hydrogen 3.404 N/A ARG 237.A NH1 ASP 239.A OD2 no hydrogen 2.851 N/A ARG 237.A NH2 ASP 239.A OD2 no hydrogen 2.851 N/A LEU 238.A N GLY 224.A O no hydrogen 2.943 N/A ASP 239.A N VAL 177.A O no hydrogen 2.852 N/A ILE 240.A N TYR 222.A O no hydrogen 2.785 N/A ILE 241.A N VAL 179.A O no hydrogen 2.953 N/A VAL 242.A N GLN 220.A O no hydrogen 3.115 N/A VAL 243.A N ILE 181.A O no hydrogen 2.934 N/A GLU 247.A N PRO 244.A O no hydrogen 2.914 N/A PHE 248.A N TYR 245.A O no hydrogen 2.979 N/A CYS 250.A SG THR 302.A OG1 no hydrogen 3.659 N/A ALA 251.A N GLU 247.A O no hydrogen 2.844 N/A LEU 252.A N PHE 248.A O no hydrogen 2.801 N/A LEU 253.A N ALA 249.A O no hydrogen 2.889 N/A TYR 254.A N CYS 250.A O no hydrogen 2.986 N/A PHE 255.A N ALA 251.A O no hydrogen 2.871 N/A THR 256.A N LEU 252.A O no hydrogen 2.987 N/A THR 256.A OG1 LEU 252.A O no hydrogen 2.705 N/A GLY 257.A N LEU 253.A O no hydrogen 3.236 N/A GLY 257.A N TYR 254.A O no hydrogen 3.213 N/A SER 258.A N ARG 322.A O no hydrogen 2.988 N/A SER 258.A OG ARG 322.A O no hydrogen 3.290 N/A SER 258.A OG TRP 324.A OXT no hydrogen 2.556 N/A PHE 261.A N SER 258.A OG no hydrogen 3.198 N/A ASN 262.A N SER 258.A O no hydrogen 2.868 N/A ASN 262.A ND2 TYR 254.A O no hydrogen 2.782 N/A ARG 263.A N ALA 259.A O no hydrogen 2.955 N/A SER 264.A N HIS 260.A O.A no hydrogen 2.973 N/A SER 264.A N HIS 260.A O.B no hydrogen 2.923 N/A SER 264.A OG HIS 260.A O.A no hydrogen 2.960 N/A SER 264.A OG HIS 260.A O.B no hydrogen 3.008 N/A MET 265.A N PHE 261.A O no hydrogen 2.925 N/A ARG 266.A N ASN 262.A O no hydrogen 2.875 N/A ARG 266.A NH1 GLU 278.A OE1 no hydrogen 3.039 N/A ARG 266.A NH2 GLU 278.A OE1 no hydrogen 2.770 N/A ALA 267.A N ARG 263.A O no hydrogen 2.899 N/A LEU 268.A N SER 264.A O no hydrogen 3.008 N/A ALA 269.A N MET 265.A O no hydrogen 3.040 N/A LYS 270.A N ARG 266.A O no hydrogen 3.055 N/A LYS 270.A NZ GLY 291.A O no hydrogen 3.110 N/A THR 271.A N ALA 267.A O no hydrogen 3.239 N/A THR 271.A OG1 LEU 268.A O no hydrogen 2.544 N/A LYS 272.A N ALA 269.A O no hydrogen 3.064 N/A LYS 272.A NZ LEU 312.A O no hydrogen 2.501 N/A GLY 273.A N LYS 270.A O no hydrogen 3.093 N/A MET 274.A N ALA 269.A O no hydrogen 2.919 N/A SER 275.A N SER 282.A O no hydrogen 2.981 N/A SER 277.A N ALA 280.A O no hydrogen 3.007 N/A GLU 278.A N GLU 278.A OE1 no hydrogen 2.631 N/A HIS 279.A N SER 277.A OG no hydrogen 3.025 N/A HIS 279.A ND1 GLU 247.A OE1 no hydrogen 2.762 N/A ALA 280.A N SER 277.A OG no hydrogen 3.379 N/A SER 282.A N SER 275.A O no hydrogen 2.819 N/A THR 283.A N ARG 298.A O no hydrogen 2.817 N/A VAL 285.A N GLY 273.A O no hydrogen 3.008 N/A VAL 286.A N GLY 295.A O no hydrogen 3.087 N/A ARG 287.A NH1 MET 274.A O no hydrogen 3.037 N/A ARG 287.A NH2 MET 274.A O no hydrogen 2.870 N/A ASN 288.A N CYS 292.A O no hydrogen 3.039 N/A HIS 290.A N ASN 288.A OD1 no hydrogen 2.626 N/A GLY 291.A N ASN 288.A O no hydrogen 3.008 N/A CYS 292.A N ASN 288.A OD1 no hydrogen 2.944 N/A LYS 293.A NZ SER 275.A OG no hydrogen 2.899 N/A VAL 294.A N VAL 286.A O no hydrogen 2.644 N/A GLY 295.A N VAL 286.A O no hydrogen 2.772 N/A ARG 298.A N THR 283.A O no hydrogen 2.823 N/A LEU 300.A N LEU 281.A O no hydrogen 2.821 N/A THR 304.A N ASP 307.A OD2 no hydrogen 3.126 N/A THR 304.A OG1 ASP 307.A OD2 no hydrogen 2.760 N/A ASP 307.A N THR 304.A O no hydrogen 3.026 N/A ASP 307.A N THR 304.A OG1 no hydrogen 3.341 N/A PHE 309.A N GLU 305.A O no hydrogen 3.249 N/A ARG 310.A N LYS 306.A O no hydrogen 2.858 N/A ARG 310.A NH2 ASP 307.A OD1 no hydrogen 2.940 N/A LEU 311.A N ASP 307.A O no hydrogen 2.861 N/A LEU 312.A N VAL 308.A O no hydrogen 3.196 N/A LEU 312.A N PHE 309.A O no hydrogen 2.933 N/A GLY 313.A N ARG 310.A O no hydrogen 3.010 N/A LEU 314.A N PHE 309.A O no hydrogen 2.902 N/A ARG 317.A NE GLU 321.A O no hydrogen 3.013 N/A GLU 321.A N GLU 318.A O no hydrogen 2.749 N/A ARG 322.A N PRO 319.A O no hydrogen 2.938 N/A ARG 322.A NE ARG 317.A O no hydrogen 2.851 N/A ARG 322.A NH1 GLU 305.A OE1 no hydrogen 2.803 N/A ARG 322.A NH2 GLU 305.A OE2 no hydrogen 2.913 N/A ARG 322.A NH2 ARG 317.A O no hydrogen 3.021 N/A TRP 324.A N ARG 322.A O no hydrogen 2.866 N/A