Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2pj3_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): HIS 2.A NE2 GLN 75.A OE1 no hydrogen 2.709 N/A SER 3.A N ASN 8.A OD1 no hydrogen 3.105 N/A GLU 5.A N SER 3.A OG no hydrogen 3.298 N/A LYS 6.A N SER 3.A O no hydrogen 3.471 N/A LYS 6.A NZ GLU 279.A OE2 no hydrogen 2.647 N/A TYR 7.A N GLU 279.A OE1 no hydrogen 2.984 N/A TYR 7.A OH LEU 277.A O no hydrogen 2.698 N/A ASN 8.A ND2 SER 3.A O no hydrogen 2.868 N/A ASN 8.A ND2 GLN 75.A OE1 no hydrogen 3.050 N/A GLU 11.A N GLU 11.A OE2 no hydrogen 2.635 N/A THR 12.A N ASN 9.A OD1 no hydrogen 2.828 N/A THR 12.A OG1 ASN 9.A OD1 no hydrogen 2.856 N/A ILE 13.A N ASN 9.A O no hydrogen 2.906 N/A GLU 14.A N TRP 10.A O no hydrogen 2.709 N/A ALA 15.A N GLU 11.A O no hydrogen 3.090 N/A TRP 16.A N THR 12.A O no hydrogen 2.917 N/A TRP 16.A NE1 TYR 4.A OH no hydrogen 2.779 N/A THR 17.A N ILE 13.A O no hydrogen 2.891 N/A THR 17.A OG1 GLU 14.A O no hydrogen 2.550 N/A LYS 18.A N GLU 14.A O no hydrogen 3.298 N/A GLN 19.A N ALA 15.A O no hydrogen 2.941 N/A GLN 19.A NE2 GLU 23.A OE1 no hydrogen 2.751 N/A VAL 20.A N TRP 16.A O no hydrogen 2.801 N/A THR 21.A N THR 17.A O no hydrogen 3.393 N/A THR 21.A OG1 THR 17.A O no hydrogen 2.640 N/A SER 22.A N LYS 18.A O no hydrogen 2.897 N/A SER 22.A OG LYS 18.A O no hydrogen 2.854 N/A GLU 23.A N GLN 19.A O no hydrogen 2.850 N/A ASN 24.A N THR 21.A O no hydrogen 3.123 N/A ASN 24.A ND2 VAL 20.A O no hydrogen 3.010 N/A LEU 27.A N ASN 24.A O no hydrogen 2.923 N/A ILE 28.A N ASN 24.A O no hydrogen 2.811 N/A SER 29.A N LYS 46.A O no hydrogen 3.087 N/A ARG 30.A NH1 THR 17.A OG1 no hydrogen 2.944 N/A THR 31.A N LEU 44.A O no hydrogen 2.994 N/A ILE 33.A N ILE 42.A O no hydrogen 2.962 N/A THR 36.A N ASN 40.A O no hydrogen 2.904 N/A THR 36.A OG1 ASP 109.A OD1 no hydrogen 2.646 N/A THR 36.A OG1 ASP 109.A OD2 no hydrogen 3.191 N/A PHE 37.A N GLU 170.A OE2 no hydrogen 3.103 N/A LEU 38.A N ASP 109.A OD2 no hydrogen 2.844 N/A GLY 39.A N THR 36.A O no hydrogen 2.967 N/A ASN 40.A N THR 36.A OG1 no hydrogen 2.860 N/A ASN 40.A ND2 ASP 109.A OD1 no hydrogen 2.830 N/A ILE 42.A N GLY 34.A O no hydrogen 2.998 N/A TYR 43.A OH GLU 14.A OE1 no hydrogen 2.588 N/A LEU 44.A N THR 31.A O no hydrogen 2.824 N/A LEU 45.A N VAL 102.A O no hydrogen 2.784 N/A LYS 46.A N SER 29.A O no hydrogen 2.824 N/A VAL 47.A N PHE 100.A O no hydrogen 2.808 N/A GLY 48.A N LEU 27.A O no hydrogen 2.815 N/A LYS 49.A N LEU 95.A O no hydrogen 2.791 N/A LYS 49.A NZ ASP 26.A O no hydrogen 2.845 N/A LYS 54.A NZ LYS 49.A O no hydrogen 2.690 N/A LYS 54.A NZ LEU 95.A O no hydrogen 2.945 N/A LYS 54.A NZ LEU 98.A O no hydrogen 2.963 N/A LYS 54.A NZ ASP 99.A OD1 no hydrogen 2.738 N/A ALA 56.A N SER 184.A O no hydrogen 2.817 N/A ILE 57.A N ASP 99.A O no hydrogen 2.828 N/A PHE 58.A N ALA 187.A O no hydrogen 2.935 N/A MET 59.A N TYR 101.A O no hydrogen 2.779 N/A ASP 60.A N LEU 189.A O no hydrogen 3.026 N/A CYS 61.A N LEU 103.A O no hydrogen 2.960 N/A CYS 61.A SG SER 70.A O no hydrogen 3.134 N/A GLY 62.A N SER 70.A OG no hydrogen 2.876 N/A HIS 64.A ND1 HIS 192.A ND1 no hydrogen 3.140 N/A HIS 64.A NE2 ASP 137.A OD1 no hydrogen 2.723 N/A ALA 65.A N ARG 122.A O no hydrogen 3.297 N/A ARG 66.A NH1 MET 120.A O no hydrogen 2.940 N/A GLU 67.A N HIS 64.A O no hydrogen 3.124 N/A TRP 68.A N ARG 66.A O no hydrogen 2.942 N/A TRP 68.A NE1 THR 114.A OG1 no hydrogen 2.936 N/A SER 70.A N GLU 67.A O no hydrogen 2.982 N/A SER 70.A OG ILE 191.A O no hydrogen 2.661 N/A HIS 71.A N HIS 71.A ND1 no hydrogen 2.772 N/A HIS 71.A ND1 GLU 67.A O no hydrogen 3.057 N/A ALA 72.A N TRP 68.A O no hydrogen 3.161 N/A PHE 73.A N ILE 69.A O no hydrogen 2.991 N/A PHE 73.A N SER 70.A O no hydrogen 2.964 N/A CYS 74.A N SER 70.A O no hydrogen 3.331 N/A CYS 74.A SG LEU 103.A O no hydrogen 3.994 N/A GLN 75.A N HIS 71.A O no hydrogen 3.467 N/A GLN 75.A NE2 HIS 71.A O no hydrogen 3.056 N/A TRP 76.A N ALA 72.A O no hydrogen 3.033 N/A PHE 77.A N PHE 73.A O no hydrogen 2.781 N/A VAL 78.A N CYS 74.A O no hydrogen 3.189 N/A ARG 79.A N GLN 75.A O no hydrogen 3.238 N/A GLU 80.A N TRP 76.A O no hydrogen 3.084 N/A ALA 81.A N PHE 77.A O no hydrogen 2.985 N/A VAL 82.A N VAL 78.A O no hydrogen 3.112 N/A LEU 83.A N ARG 79.A O no hydrogen 2.888 N/A THR 84.A N GLU 80.A O no hydrogen 3.037 N/A THR 84.A OG1 GLU 80.A O no hydrogen 2.565 N/A TYR 85.A N ALA 81.A O no hydrogen 3.083 N/A TYR 85.A OH ASN 96.A OD1 no hydrogen 2.582 N/A GLY 86.A N THR 92.A OG1 no hydrogen 2.678 N/A TYR 87.A N THR 84.A O no hydrogen 2.987 N/A GLU 88.A N THR 84.A O no hydrogen 2.948 N/A HIS 90.A N GLU 88.A OE1 no hydrogen 2.977 N/A MET 91.A N GLU 88.A OE2 no hydrogen 2.820 N/A THR 92.A N GLU 88.A O no hydrogen 3.015 N/A THR 92.A OG1 GLU 88.A O no hydrogen 2.828 N/A GLU 93.A N SER 89.A O no hydrogen 3.057 N/A PHE 94.A N HIS 90.A O no hydrogen 2.805 N/A LEU 95.A N MET 91.A O no hydrogen 2.979 N/A ASN 96.A N THR 92.A O no hydrogen 3.037 N/A LYS 97.A N GLU 93.A O no hydrogen 2.985 N/A LEU 98.A N PHE 94.A O no hydrogen 2.838 N/A ASP 99.A N PRO 55.A O no hydrogen 2.982 N/A PHE 100.A N VAL 47.A O no hydrogen 2.808 N/A TYR 101.A N ILE 57.A O no hydrogen 2.755 N/A VAL 102.A N LEU 45.A O no hydrogen 2.802 N/A LEU 103.A N MET 59.A O no hydrogen 2.876 N/A LEU 106.A N CYS 61.A O no hydrogen 3.100 N/A ASN 107.A N GLY 62.A O no hydrogen 2.994 N/A ASN 107.A ND2 PHE 63.A O no hydrogen 3.249 N/A ASN 107.A ND2 LYS 123.A O no hydrogen 2.917 N/A GLY 110.A N ASN 107.A OD1 no hydrogen 3.094 N/A TYR 111.A N ASN 107.A O no hydrogen 3.108 N/A TYR 111.A OH ASN 8.A O no hydrogen 2.608 N/A ILE 112.A N ILE 108.A O no hydrogen 2.877 N/A TYR 113.A N ASP 109.A O no hydrogen 3.163 N/A THR 114.A N GLY 110.A O no hydrogen 3.056 N/A THR 114.A N TYR 111.A O no hydrogen 3.050 N/A THR 114.A OG1 TYR 111.A O no hydrogen 2.583 N/A TRP 115.A N ILE 112.A O no hydrogen 2.992 N/A TRP 115.A NE1 TYR 111.A OH no hydrogen 3.148 N/A THR 116.A N ILE 112.A O no hydrogen 2.982 N/A THR 116.A OG1 ILE 112.A O no hydrogen 3.146 N/A LYS 117.A N TYR 113.A O no hydrogen 2.850 N/A ASN 118.A N TYR 113.A O no hydrogen 2.949 N/A ARG 119.A NH1 ARG 66.A O no hydrogen 2.858 N/A ARG 119.A NH1 ARG 119.A O no hydrogen 2.949 N/A ARG 119.A NH2 PHE 275.A O no hydrogen 2.955 N/A MET 120.A N ASN 118.A OD1 no hydrogen 2.960 N/A TRP 121.A N ASN 118.A O no hydrogen 3.186 N/A TRP 121.A NE1 THR 124.A O no hydrogen 3.030 N/A ARG 122.A NE ASP 137.A OD2 no hydrogen 2.959 N/A ARG 122.A NE GLU 158.A O no hydrogen 3.369 N/A ARG 122.A NH2 ASP 137.A OD2 no hydrogen 2.623 N/A LYS 123.A NZ ILE 134.A O no hydrogen 3.000 N/A LYS 123.A NZ GLY 135.A O no hydrogen 3.026 N/A LYS 123.A NZ ASP 157.A O no hydrogen 2.893 N/A THR 124.A N THR 136.A O no hydrogen 2.940 N/A THR 124.A OG1 SER 126.A OG no hydrogen 3.369 N/A THR 124.A OG1 THR 136.A O no hydrogen 3.371 N/A THR 124.A OG1 GLU 168.A OE1 no hydrogen 2.718 N/A SER 126.A OG THR 124.A OG1 no hydrogen 3.369 N/A SER 126.A OG GLU 168.A OE1 no hydrogen 2.610 N/A SER 126.A OG GLU 168.A OE2 no hydrogen 3.411 N/A ASN 128.A ND2 CYS 133.A O no hydrogen 2.987 N/A ASN 128.A ND2 GLY 135.A O no hydrogen 3.678 N/A CYS 133.A N THR 131.A OG1 no hydrogen 3.016 N/A CYS 133.A SG THR 131.A OG1 no hydrogen 3.624 N/A GLY 135.A N SER 126.A O no hydrogen 2.832 N/A THR 136.A N THR 124.A OG1 no hydrogen 2.967 N/A ASP 137.A N TYR 160.A O no hydrogen 2.868 N/A ASN 139.A N ASP 137.A OD1 no hydrogen 3.013 N/A ARG 140.A N ASP 137.A O no hydrogen 2.907 N/A ARG 140.A NE GLY 150.A O no hydrogen 3.054 N/A ARG 140.A NH1 ASN 139.A O no hydrogen 2.982 N/A ASN 141.A N PRO 138.A O no hydrogen 3.220 N/A ASN 141.A ND2 CYS 161.A O no hydrogen 2.889 N/A ASN 141.A ND2 ALA 164.A O no hydrogen 3.060 N/A ASN 141.A ND2 SER 167.A OG no hydrogen 3.144 N/A PHE 142.A N GLY 248.A O no hydrogen 2.897 N/A ALA 144.A N PHE 142.A O no hydrogen 2.805 N/A TRP 146.A NE1 CYS 161.A O no hydrogen 2.991 N/A CYS 147.A SG SER 152.A O no hydrogen 3.959 N/A THR 148.A N GLY 145.A O no hydrogen 3.052 N/A THR 148.A OG1 GLY 145.A O no hydrogen 2.599 N/A SER 152.A N THR 159.A O no hydrogen 3.154 N/A SER 152.A OG ASP 157.A OD2 no hydrogen 2.629 N/A ASP 154.A N SER 152.A OG no hydrogen 3.010 N/A CYS 156.A N ASP 154.A OD2 no hydrogen 2.918 N/A ASP 157.A N ASP 154.A O no hydrogen 2.979 N/A TYR 160.A N ASP 157.A O no hydrogen 3.295 N/A CYS 161.A N SER 152.A O no hydrogen 2.942 N/A CYS 161.A SG SER 152.A O no hydrogen 3.583 N/A CYS 161.A SG GLY 162.A O no hydrogen 3.652 N/A GLU 166.A N ASN 141.A O no hydrogen 2.681 N/A SER 167.A N ALA 164.A O no hydrogen 3.041 N/A SER 167.A OG ALA 164.A O no hydrogen 3.069 N/A SER 167.A OG GLU 168.A OE2 no hydrogen 3.481 N/A GLU 168.A N ASN 141.A OD1 no hydrogen 3.205 N/A LYS 169.A NZ THR 35.A OG1 no hydrogen 2.797 N/A GLU 170.A N GLU 170.A OE1 no hydrogen 2.754 N/A THR 171.A OG1 ASN 141.A OD1 no hydrogen 2.654 N/A THR 171.A OG1 GLU 168.A O no hydrogen 3.131 N/A LYS 172.A N GLU 168.A O no hydrogen 3.012 N/A LYS 172.A NZ GLU 166.A OE2 no hydrogen 2.769 N/A ALA 173.A N LYS 169.A O no hydrogen 2.920 N/A LEU 174.A N GLU 170.A O no hydrogen 3.079 N/A ALA 175.A N THR 171.A O no hydrogen 2.870 N/A ASP 176.A N LYS 172.A O no hydrogen 2.833 N/A PHE 177.A N ALA 173.A O no hydrogen 3.077 N/A ILE 178.A N LEU 174.A O no hydrogen 2.989 N/A ARG 179.A N ALA 175.A O no hydrogen 2.866 N/A ARG 179.A NH1 GLU 166.A OE1 no hydrogen 2.795 N/A ARG 179.A NH2 GLU 166.A OE1 no hydrogen 3.518 N/A ARG 179.A NH2 GLU 166.A OE2 no hydrogen 2.742 N/A ARG 179.A NH2 ASP 176.A OD1 no hydrogen 2.844 N/A ASN 180.A N ASP 176.A O no hydrogen 2.951 N/A ASN 181.A N ILE 178.A O no hydrogen 3.079 N/A ASN 181.A ND2 PHE 177.A O no hydrogen 2.864 N/A SER 184.A N ASN 181.A O no hydrogen 3.132 N/A SER 184.A OG ASN 181.A O no hydrogen 3.039 N/A ILE 185.A N ASN 181.A O no hydrogen 3.092 N/A LYS 186.A N ALA 56.A O no hydrogen 2.833 N/A LYS 186.A NZ SER 183A.A O no hydrogen 3.278 N/A TYR 188.A N TYR 261.A O no hydrogen 2.798 N/A TYR 188.A OH ASP 60.A OD2 no hydrogen 2.602 N/A TYR 188.A OH SER 250.A OG no hydrogen 2.689 N/A LEU 189.A N PHE 58.A O no hydrogen 2.761 N/A THR 190.A N PHE 263.A O no hydrogen 2.980 N/A THR 190.A OG1 ASP 60.A OD1 no hydrogen 2.667 N/A ILE 191.A N ASP 60.A O no hydrogen 2.949 N/A HIS 192.A N PHE 265.A O no hydrogen 2.755 N/A SER 193.A N GLU 67.A OE2 no hydrogen 3.041 N/A SER 195.A N LEU 267.A O no hydrogen 3.078 N/A SER 195.A OG TYR 194.A O no hydrogen 2.520 N/A GLN 196.A N LEU 267.A O no hydrogen 3.167 N/A GLN 196.A NE2 LYS 233.A O no hydrogen 2.845 N/A MET 197.A N GLU 266.A O no hydrogen 2.947 N/A ILE 198.A N THR 235.A O no hydrogen 3.011 N/A LEU 199.A N THR 264.A O no hydrogen 2.840 N/A TYR 200.A N GLY 237.A O no hydrogen 3.169 N/A TYR 202.A OH ASP 256.A OD2 no hydrogen 2.632 N/A SER 203.A N ASP 252.A OD1 no hydrogen 3.343 N/A SER 203.A N ASP 252.A OD2 no hydrogen 2.816 N/A TYR 204.A N ASP 252.A OD2 no hydrogen 3.044 N/A TYR 204.A OH ASP 256.A OD1 no hydrogen 2.786 N/A LYS 207.A N ASP 205.A OD1 no hydrogen 2.884 N/A LYS 207.A NZ TYR 204.A OH no hydrogen 2.821 N/A ASN 212.A N PRO 209.A O no hydrogen 3.014 N/A ASN 212.A ND2 PRO 209.A O no hydrogen 3.341 N/A LEU 215.A N ASN 211.A O no hydrogen 2.964 N/A ASN 216.A N ASN 212.A O no hydrogen 2.913 N/A ASN 216.A ND2 TYR 200.A OH no hydrogen 2.823 N/A ASN 217.A N ALA 213.A O no hydrogen 3.033 N/A LEU 218.A N GLU 214.A O no hydrogen 2.819 N/A ALA 219.A N LEU 215.A O no hydrogen 2.863 N/A LYS 220.A N ASN 216.A O no hydrogen 2.866 N/A LYS 220.A NZ ASN 217.A OD1 no hydrogen 3.032 N/A ALA 221.A N ASN 217.A O no hydrogen 3.076 N/A ALA 222.A N LEU 218.A O no hydrogen 2.955 N/A VAL 223.A N ALA 219.A O no hydrogen 2.978 N/A LYS 224.A N LYS 220.A O no hydrogen 3.110 N/A GLU 225.A N ALA 221.A O no hydrogen 2.955 N/A LEU 226.A N ALA 222.A O no hydrogen 2.929 N/A ALA 227.A N VAL 223.A O no hydrogen 3.142 N/A THR 228.A N GLU 225.A O no hydrogen 3.128 N/A THR 228.A OG1 GLU 225.A O no hydrogen 2.595 N/A GLY 231.A N ALA 227.A O no hydrogen 2.921 N/A THR 232.A OG1 GLU 288.A OE1 no hydrogen 2.668 N/A THR 232.A OG1 GLU 288.A OE2 no hydrogen 3.379 N/A LYS 233.A NZ TYR 234.A O no hydrogen 3.013 N/A THR 235.A N GLN 196.A O no hydrogen 3.177 N/A GLY 237.A N ILE 198.A O no hydrogen 3.279 N/A GLY 239.A N TYR 200.A O no hydrogen 2.941 N/A ALA 240.A N TYR 202.A O no hydrogen 3.004 N/A THR 242.A N PRO 238.A O no hydrogen 2.965 N/A THR 242.A N GLY 239.A O no hydrogen 3.211 N/A THR 242.A OG1 PRO 238.A O no hydrogen 2.660 N/A ILE 243.A N GLY 239.A O no hydrogen 2.926 N/A TYR 244.A N GLY 239.A O no hydrogen 3.223 N/A ALA 246.A N SER 203.A O no hydrogen 2.868 N/A ALA 247.A N THR 149.A O no hydrogen 2.834 N/A GLY 248.A N ALA 144.A O no hydrogen 2.896 N/A SER 250.A N ASN 139.A OD1 no hydrogen 2.978 N/A SER 250.A OG ASN 139.A OD1 no hydrogen 3.447 N/A SER 250.A OG TYR 188.A OH no hydrogen 2.689 N/A ASP 252.A N ASP 251.A OD1 no hydrogen 2.562 N/A TRP 253.A N GLY 249.A O no hydrogen 3.203 N/A ALA 254.A N SER 250.A O no hydrogen 2.826 N/A TYR 255.A N ASP 251.A O no hydrogen 3.076 N/A ASP 256.A N ASP 252.A O no hydrogen 3.012 N/A GLN 257.A N TRP 253.A O no hydrogen 3.015 N/A GLN 257.A N ALA 254.A O no hydrogen 3.128 N/A GLY 258.A N TYR 255.A O no hydrogen 2.932 N/A ILE 259.A N ALA 254.A O no hydrogen 3.231 N/A LYS 260.A NZ GLU 210.A OE2 no hydrogen 3.228 N/A LYS 260.A NZ TYR 255.A OH no hydrogen 3.256 N/A TYR 261.A OH GLU 214.A OE2 no hydrogen 2.543 N/A SER 262.A OG ASP 251.A O no hydrogen 2.740 N/A PHE 263.A N TYR 188.A O no hydrogen 2.979 N/A THR 264.A N LEU 199.A O no hydrogen 2.891 N/A THR 264.A OG1 ASP 251.A OD2 no hydrogen 2.618 N/A PHE 265.A N THR 190.A O no hydrogen 2.978 N/A GLU 266.A N MET 197.A O no hydrogen 2.832 N/A LEU 267.A N HIS 192.A O no hydrogen 2.965 N/A ARG 268.A NE GLU 288.A OE2 no hydrogen 2.841 N/A ARG 268.A NH2 GLU 288.A OE1 no hydrogen 3.116 N/A ARG 268.A NH2 GLU 288.A OE2 no hydrogen 3.535 N/A LYS 270.A NZ SER 195.A O no hydrogen 3.338 N/A GLY 271.A N ASP 269.A OD2 no hydrogen 2.882 N/A TYR 273.A N ASP 269.A OD1 no hydrogen 2.827 N/A GLY 274.A N ASP 269.A OD2 no hydrogen 2.951 N/A ILE 276.A N TYR 273.A O no hydrogen 3.077 N/A GLN 281.A N PRO 278.A O no hydrogen 2.954 N/A ILE 282.A N GLU 279.A O no hydrogen 3.107 N/A THR 285.A N GLN 281.A O no hydrogen 2.990 N/A THR 285.A OG1 GLN 281.A O no hydrogen 2.668 N/A CYS 286.A N ILE 282.A O no hydrogen 2.896 N/A CYS 286.A SG ILE 282.A O no hydrogen 3.203 N/A GLU 287.A N GLN 283.A O no hydrogen 2.863 N/A GLU 288.A N ALA 284.A O no hydrogen 3.083 N/A THR 289.A N THR 285.A O no hydrogen 3.057 N/A THR 289.A OG1 THR 285.A O no hydrogen 2.698 N/A MET 290.A N CYS 286.A O no hydrogen 2.845 N/A LEU 291.A N GLU 288.A O no hydrogen 3.043 N/A ALA 292.A N GLU 288.A O no hydrogen 3.434 N/A ILE 293.A N THR 289.A O no hydrogen 2.966 N/A LYS 294.A N MET 290.A O no hydrogen 2.808 N/A LYS 294.A NZ GLU 88.A OE2 no hydrogen 2.868 N/A TYR 295.A N LEU 291.A O no hydrogen 3.011 N/A VAL 296.A N ALA 292.A O no hydrogen 3.083 N/A THR 297.A N ILE 293.A O no hydrogen 2.942 N/A THR 297.A OG1 ILE 293.A O no hydrogen 2.904 N/A ASN 298.A N LYS 294.A O no hydrogen 2.897 N/A TYR 299.A N TYR 295.A O no hydrogen 2.988 N/A TYR 299.A OH GLU 214.A OE2 no hydrogen 2.710 N/A VAL 300.A N VAL 296.A O no hydrogen 2.863 N/A LEU 301.A N THR 297.A O no hydrogen 2.888 N/A GLY 302.A N ASN 298.A O no hydrogen 2.977 N/A HIS 303.A N VAL 300.A O no hydrogen 3.175 N/A LEU 304.A N LEU 301.A O no hydrogen 3.297 N/A