Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 9bhr_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ARG 3.A NE GLU 296.A OE1 no hydrogen 3.196 N/A ARG 3.A NH1 GLU 296.A OE1 no hydrogen 2.885 N/A ILE 5.A N LEU 294.A O no hydrogen 2.748 N/A SER 6.A N LEU 294.A O no hydrogen 3.332 N/A SER 6.A OG.A VAL 44.A O no hydrogen 2.904 N/A SER 6.A OG.B VAL 44.A O no hydrogen 2.919 N/A SER 6.A OG.B PHE 45.A O no hydrogen 3.501 N/A PHE 8.A N CYS 292.A O no hydrogen 2.945 N/A ARG 9.A NH1 GLU 13.A O no hydrogen 2.857 N/A ARG 9.A NH2 GLU 13.A O no hydrogen 2.815 N/A ARG 9.A NH2 ASP 289.A OD1 no hydrogen 3.144 N/A GLU 10.A N SER 16.A OG no hydrogen 2.870 N/A ALA 11.A N TYR 42.A OH no hydrogen 2.906 N/A GLU 13.A N GLU 10.A O no hydrogen 3.373 N/A SER 16.A N ASP 289.A OD1 no hydrogen 2.926 N/A SER 16.A OG THR 290.A O no hydrogen 2.648 N/A GLY 17.A N GLU 10.A OE1 no hydrogen 2.819 N/A THR 19.A N GLY 33.A O no hydrogen 2.787 N/A THR 19.A OG1 ILE 60.A O no hydrogen 2.622 N/A CYS 20.A SG ILE 60.A O no hydrogen 4.035 N/A CYS 21.A N ASP 266.A OD2 no hydrogen 2.885 N/A CYS 21.A SG ALA 277.A O no hydrogen 4.022 N/A ALA 22.A N MET 31.A O no hydrogen 2.906 N/A SER 24.A N PHE 29.A O no hydrogen 2.987 N/A SER 24.A OG ARG 26.A O no hydrogen 3.132 N/A SER 24.A OG PHE 29.A O no hydrogen 2.954 N/A PHE 29.A N ARG 26.A O no hydrogen 2.976 N/A LEU 30.A N TYR 42.A O no hydrogen 2.843 N/A MET 31.A N ALA 22.A O no hydrogen 2.788 N/A LEU 32.A N LYS 40.A O no hydrogen 2.825 N/A GLY 33.A N CYS 20.A O no hydrogen 3.007 N/A THR 34.A N GLN 38.A O no hydrogen 2.936 N/A THR 34.A OG1 THR 36.A OG1 no hydrogen 3.225 N/A THR 34.A OG1 GLN 38.A O no hydrogen 3.407 N/A CYS 35.A N GLY 17.A O no hydrogen 2.791 N/A CYS 35.A SG GLY 17.A O no hydrogen 3.855 N/A THR 36.A N THR 34.A OG1 no hydrogen 3.397 N/A THR 36.A OG1 THR 34.A OG1 no hydrogen 3.225 N/A GLY 37.A N THR 34.A O no hydrogen 3.039 N/A GLN 38.A N THR 34.A OG1 no hydrogen 3.111 N/A GLN 38.A NE2 ASN 54.A OD1 no hydrogen 2.918 N/A LEU 39.A N TYR 53.A O no hydrogen 2.833 N/A LYS 40.A N LEU 32.A O no hydrogen 2.730 N/A LYS 40.A NZ GLN 38.A OE1 no hydrogen 3.174 N/A LYS 40.A NZ SER 52.A OG no hydrogen 2.694 N/A LEU 41.A N ALA 51.A O no hydrogen 2.883 N/A TYR 42.A N LEU 30.A O no hydrogen 2.868 N/A TYR 42.A OH GLU 49.A OE1 no hydrogen 2.621 N/A ASN 43.A N GLN 48.A O no hydrogen 3.050 N/A VAL 44.A N ARG 28.A O no hydrogen 3.009 N/A PHE 45.A N ASN 43.A OD1 no hydrogen 2.925 N/A SER 46.A N ASN 43.A OD1 no hydrogen 2.945 N/A GLY 47.A N ASN 43.A O no hydrogen 2.692 N/A GLN 48.A N SER 46.A OG no hydrogen 3.205 N/A GLN 48.A NE2 SER 46.A O no hydrogen 2.935 N/A GLU 50.A N LEU 41.A O no hydrogen 2.768 N/A ALA 51.A N LEU 41.A O no hydrogen 3.473 N/A TYR 53.A N LEU 39.A O no hydrogen 2.860 N/A CYS 55.A N GLY 37.A O no hydrogen 3.065 N/A HIS 56.A N GLY 37.A O no hydrogen 2.962 N/A HIS 56.A NE2 THR 74.A OG1 no hydrogen 2.693 N/A SER 58.A OG THR 77.A OG1.B no hydrogen 3.050 N/A SER 58.A OG SER 79.A OG no hydrogen 2.650 N/A ILE 60.A N THR 34.A O no hydrogen 3.024 N/A THR 61.A N SER 75.A O no hydrogen 2.779 N/A THR 61.A OG1 SER 75.A O no hydrogen 3.211 N/A GLU 64.A N LEU 73.A O no hydrogen 2.917 N/A SER 66.A N LEU 71.A O no hydrogen 2.797 N/A SER 66.A OG ASP 68.A OD1 no hydrogen 2.845 N/A SER 66.A OG LEU 71.A O no hydrogen 3.228 N/A ARG 67.A N GLN 111.A OE1 no hydrogen 2.826 N/A ARG 67.A NH1 LYS 108.A O no hydrogen 2.810 N/A ARG 67.A NH2 LYS 108.A O no hydrogen 2.987 N/A ARG 67.A NH2 HIS 109.A O no hydrogen 3.117 N/A GLY 69.A N SER 66.A O no hydrogen 3.151 N/A SER 70.A N ASP 68.A OD1 no hydrogen 2.849 N/A SER 70.A OG ASP 68.A OD1 no hydrogen 2.574 N/A SER 70.A OG ASP 68.A OD2 no hydrogen 3.216 N/A LEU 71.A N SER 66.A OG no hydrogen 3.000 N/A LEU 72.A N TRP 86.A O no hydrogen 2.894 N/A LEU 73.A N GLU 64.A O no hydrogen 2.810 N/A THR 74.A N ALA 84.A O no hydrogen 2.983 N/A THR 74.A OG1 HIS 56.A NE2 no hydrogen 2.693 N/A SER 75.A N HIS 62.A O no hydrogen 3.014 N/A SER 75.A OG SER 83.A OG no hydrogen 2.690 N/A SER 75.A OG HIS 102.A O no hydrogen 3.457 N/A ALA 76.A N LEU 82.A O no hydrogen 2.700 N/A THR 77.A N.A SER 58.A OG no hydrogen 3.229 N/A THR 77.A N.B SER 58.A OG no hydrogen 3.259 N/A THR 77.A N.B ALA 59.A O no hydrogen 3.025 N/A THR 77.A OG1.A ALA 59.A O no hydrogen 2.903 N/A THR 77.A OG1.B SER 58.A OG no hydrogen 3.050 N/A THR 77.A OG1.B ALA 59.A O no hydrogen 3.290 N/A TRP 78.A N SER 58.A OG no hydrogen 3.049 N/A SER 79.A OG ASN 57.A OD1 no hydrogen 2.533 N/A SER 79.A OG SER 58.A OG no hydrogen 2.650 N/A LEU 82.A N THR 99.A O no hydrogen 2.823 N/A SER 83.A N PHE 98.A O no hydrogen 3.359 N/A SER 83.A OG SER 75.A OG no hydrogen 2.690 N/A SER 83.A OG ASP 101.A O no hydrogen 2.698 N/A ALA 84.A N THR 74.A O no hydrogen 2.913 N/A LEU 85.A N HIS 96.A O no hydrogen 2.813 N/A TRP 86.A N LEU 72.A O no hydrogen 2.757 N/A TRP 86.A NE1 THR 74.A OG1 no hydrogen 2.791 N/A GLY 87.A N ASP 93.A O no hydrogen 2.794 N/A MET 88.A N SER 70.A O no hydrogen 2.836 N/A VAL 91.A N LYS 89.A O no hydrogen 2.688 N/A ASP 93.A N GLY 87.A O no hydrogen 3.166 N/A LYS 95.A N LEU 85.A O no hydrogen 2.747 N/A HIS 96.A N LEU 85.A O no hydrogen 3.355 N/A PHE 98.A N SER 83.A O no hydrogen 2.905 N/A HIS 102.A N THR 117.A O no hydrogen 2.960 N/A TYR 103.A OH.A GLU 105.A OE2 no hydrogen 2.581 N/A GLU 105.A N ILE 115.A O no hydrogen 2.918 N/A PHE 106.A N GLU 64.A OE1 no hydrogen 3.040 N/A SER 107.A N ARG 113.A O.A no hydrogen 3.022 N/A SER 107.A N ARG 113.A O.B no hydrogen 2.964 N/A SER 107.A OG SER 110.A O no hydrogen 2.580 N/A SER 107.A OG ARG 113.A O.A no hydrogen 3.353 N/A SER 107.A OG ARG 113.A O.B no hydrogen 3.284 N/A LYS 108.A N ASP 156.A OD1 no hydrogen 2.687 N/A LYS 108.A NZ THR 151.A OG1 no hydrogen 3.329 N/A LYS 108.A NZ PHE 152.A O no hydrogen 2.957 N/A HIS 109.A N ASP 156.A OD1 no hydrogen 2.989 N/A HIS 109.A N ASP 156.A OD2 no hydrogen 3.152 N/A SER 110.A N ASP 156.A OD2 no hydrogen 2.976 N/A GLN 111.A NE2 SER 107.A O no hydrogen 3.345 N/A ARG 113.A N.A SER 107.A OG no hydrogen 3.192 N/A ARG 113.A N.B SER 107.A OG no hydrogen 3.196 N/A ARG 113.A NE.A ASP 112.A OD1 no hydrogen 3.351 N/A ARG 113.A NH2.B ASP 112.A O no hydrogen 2.942 N/A VAL 114.A N TYR 125.A O no hydrogen 2.995 N/A ILE 115.A N GLU 105.A O no hydrogen 2.814 N/A GLY 116.A N HIS 123.A O no hydrogen 2.734 N/A THR 117.A N TYR 103.A O.A no hydrogen 2.821 N/A THR 117.A N TYR 103.A O.B no hydrogen 2.812 N/A LYS 118.A N ILE 121.A O no hydrogen 2.921 N/A GLY 119.A N HIS 102.A NE2 no hydrogen 3.047 N/A ILE 121.A N LYS 118.A O no hydrogen 2.972 N/A ALA 122.A N LEU 136.A O no hydrogen 3.151 N/A HIS 123.A N GLY 116.A O no hydrogen 2.841 N/A HIS 123.A ND1 ASP 101.A OD1 no hydrogen 2.705 N/A ILE 124.A N LEU 134.A O no hydrogen 2.902 N/A TYR 125.A N VAL 114.A O no hydrogen 2.822 N/A TYR 125.A OH ASP 101.A OD2 no hydrogen 2.605 N/A ASP 126.A N ASN 131.A O no hydrogen 2.908 N/A ILE 127.A N ASP 112.A O no hydrogen 3.101 N/A THR 129.A N ASP 126.A OD2 no hydrogen 2.816 N/A THR 129.A OG1 ASP 126.A OD2 no hydrogen 2.958 N/A GLY 130.A N ASP 126.A O no hydrogen 2.739 N/A ASN 131.A N THR 129.A OG1 no hydrogen 3.007 N/A LEU 133.A N ILE 124.A O no hydrogen 2.646 N/A LEU 134.A N ILE 124.A O no hydrogen 3.328 N/A LEU 136.A N ALA 122.A O no hydrogen 2.798 N/A ASP 140.A N ASN 138.A OD1 no hydrogen 2.904 N/A LEU 141.A N ASN 138.A O no hydrogen 3.173 N/A LEU 141.A N ASN 138.A OD1 no hydrogen 3.222 N/A ASN 143.A N ASP 162.A OD2 no hydrogen 2.896 N/A ASN 143.A ND2 ASP 162.A O no hydrogen 2.916 N/A ASN 143.A ND2 PHE 177.A O no hydrogen 3.221 N/A ASN 144.A N ASP 162.A OD2 no hydrogen 2.727 N/A ASN 144.A ND2 ASP 120.A OD2 no hydrogen 2.799 N/A TYR 145.A N ASP 162.A OD1 no hydrogen 2.772 N/A LYS 146.A N MET 182.A O no hydrogen 3.052 N/A ARG 147.A N ASN 183.A O no hydrogen 2.909 N/A ARG 147.A NH1 TYR 103.A OH.B no hydrogen 3.412 N/A ASN 148.A N TYR 145.A O no hydrogen 3.301 N/A ASN 148.A ND2 GLY 119.A O no hydrogen 2.937 N/A ASN 148.A ND2 ASN 161.A OD1 no hydrogen 2.821 N/A CYS 149.A N.A SER 185.A OG no hydrogen 3.102 N/A CYS 149.A N.B SER 185.A OG no hydrogen 3.060 N/A CYS 149.A SG.B ARG 147.A O no hydrogen 3.814 N/A CYS 149.A SG.B ASN 148.A O no hydrogen 3.295 N/A ALA 150.A N THR 117.A OG1 no hydrogen 2.841 N/A THR 151.A N LEU 160.A O no hydrogen 3.020 N/A THR 151.A OG1 GLU 105.A OE1 no hydrogen 2.693 N/A THR 151.A OG1 PHE 152.A O no hydrogen 3.374 N/A ASN 153.A N LEU 158.A O no hydrogen 2.968 N/A ASN 153.A ND2 ASP 157.A OD1 no hydrogen 2.869 N/A THR 155.A OG1 ASP 157.A OD1 no hydrogen 2.831 N/A THR 155.A OG1 ASP 157.A OD2 no hydrogen 3.268 N/A ASP 156.A N ASN 153.A O no hydrogen 3.108 N/A LEU 158.A N ASN 153.A OD1 no hydrogen 2.916 N/A VAL 159.A N TRP 166.A O no hydrogen 3.037 N/A LEU 160.A N THR 151.A O no hydrogen 2.909 N/A ASN 161.A N VAL 164.A O no hydrogen 2.925 N/A ASN 161.A ND2 ASP 120.A O no hydrogen 2.907 N/A ASP 162.A N ASN 148.A OD1 no hydrogen 2.738 N/A VAL 164.A N ASN 161.A O no hydrogen 2.834 N/A LEU 165.A N HIS 175.A O no hydrogen 2.761 N/A TRP 166.A N VAL 159.A O no hydrogen 2.790 N/A ASP 167.A N GLN 172.A O no hydrogen 2.816 N/A VAL 168.A N ASP 157.A O no hydrogen 3.058 N/A SER 170.A N ASP 167.A OD2 no hydrogen 2.963 N/A SER 170.A OG ASP 167.A OD2 no hydrogen 2.894 N/A ALA 171.A N VAL 168.A O no hydrogen 3.290 N/A GLN 172.A N ASP 167.A O no hydrogen 3.263 N/A GLN 172.A NE2 SER 170.A O no hydrogen 2.836 N/A ILE 174.A N LEU 165.A O no hydrogen 2.739 N/A HIS 175.A N LEU 165.A O no hydrogen 3.411 N/A PHE 177.A N GLY 163.A O no hydrogen 2.917 N/A LYS 179.A NZ ASN 143.A O no hydrogen 2.751 N/A ASN 181.A ND2 ILE 184.A O no hydrogen 2.994 N/A ASN 183.A N ASN 181.A OD1 no hydrogen 2.891 N/A ASN 183.A ND2 GLN 218.A OE1 no hydrogen 2.941 N/A ILE 184.A N ASN 181.A OD1 no hydrogen 2.848 N/A SER 185.A OG ASN 148.A OD1 no hydrogen 3.159 N/A SER 185.A OG CYS 149.A O.B no hydrogen 3.328 N/A VAL 187.A N ILE 196.A O no hydrogen 2.910 N/A HIS 189.A N GLU 194.A O no hydrogen 3.024 N/A HIS 189.A NE2 ALA 249.A O no hydrogen 2.734 N/A ASN 191.A N HIS 189.A ND1 no hydrogen 2.948 N/A ASN 191.A ND2 GLU 194.A OE1 no hydrogen 3.472 N/A GLY 192.A N HIS 189.A O no hydrogen 3.064 N/A LEU 193.A N ASN 191.A OD1 no hydrogen 2.785 N/A VAL 195.A N.A TRP 202.A O no hydrogen 2.876 N/A VAL 195.A N.B TRP 202.A O no hydrogen 2.855 N/A ILE 196.A N VAL 187.A O no hydrogen 2.823 N/A ILE 197.A N GLU 200.A O no hydrogen 2.839 N/A ASN 198.A ND2 ASP 217.A OD1 no hydrogen 2.892 N/A THR 199.A OG1 GLU 200.A OE1 no hydrogen 3.167 N/A THR 199.A OG1 GLU 200.A OE2 no hydrogen 2.658 N/A GLU 200.A N ILE 197.A O no hydrogen 3.020 N/A ILE 201.A N HIS 211.A O no hydrogen 2.947 N/A TRP 202.A N VAL 195.A O.A no hydrogen 2.856 N/A TRP 202.A N VAL 195.A O.B no hydrogen 2.839 N/A ASP 203.A N HIS 208.A O no hydrogen 2.867 N/A LEU 204.A N LEU 193.A O no hydrogen 2.948 N/A THR 206.A N ASP 203.A OD2 no hydrogen 2.983 N/A THR 206.A OG1 ASP 203.A OD2 no hydrogen 2.674 N/A PHE 207.A N ASP 203.A O no hydrogen 2.824 N/A HIS 208.A N THR 206.A OG1 no hydrogen 3.120 N/A LEU 210.A N ILE 201.A O no hydrogen 2.713 N/A HIS 211.A N ILE 201.A O no hydrogen 3.395 N/A VAL 213.A N THR 199.A O no hydrogen 2.750 N/A LEU 216.A N VAL 213.A O no hydrogen 3.001 N/A ASP 217.A N PRO 214.A O no hydrogen 3.183 N/A GLN 218.A N ASN 198.A OD1 no hydrogen 2.711 N/A GLN 218.A NE2 ASN 181.A OD1 no hydrogen 3.061 N/A GLN 218.A NE2 ASP 217.A OD1 no hydrogen 2.956 N/A CYS 219.A N LEU 216.A O no hydrogen 3.001 N/A CYS 219.A SG ALA 215.A O no hydrogen 3.767 N/A CYS 219.A SG ASP 217.A O no hydrogen 3.832 N/A ARG 220.A N ALA 233.A O no hydrogen 3.089 N/A ARG 220.A NH1 TYR 103.A OH.A no hydrogen 3.017 N/A VAL 222.A N TYR 231.A O no hydrogen 2.911 N/A ASN 224.A N VAL 229.A O no hydrogen 2.966 N/A ASN 224.A ND2 THR 228.A OG1 no hydrogen 2.813 N/A HIS 225.A N ASP 273.A OD1 no hydrogen 2.822 N/A HIS 225.A ND1 ASP 273.A OD1 no hydrogen 3.027 N/A THR 226.A N.A ASP 273.A OD2 no hydrogen 2.871 N/A THR 226.A N.B ASP 273.A OD2 no hydrogen 2.912 N/A THR 226.A OG1.A THR 228.A OG1 no hydrogen 3.194 N/A THR 226.A OG1.A ASP 273.A OD2 no hydrogen 3.211 N/A THR 226.A OG1.B ASP 273.A OD2 no hydrogen 3.177 N/A GLY 227.A N ASN 224.A O no hydrogen 3.007 N/A THR 228.A N ASN 224.A OD1 no hydrogen 2.771 N/A THR 228.A OG1 THR 226.A OG1.A no hydrogen 3.194 N/A VAL 229.A N ASN 224.A OD1 no hydrogen 3.030 N/A MET 230.A N PHE 247.A O no hydrogen 2.880 N/A TYR 231.A N VAL 222.A O no hydrogen 2.748 N/A GLY 232.A N ARG 245.A O.A no hydrogen 2.824 N/A GLY 232.A N ARG 245.A O.B no hydrogen 2.816 N/A ALA 233.A N ARG 220.A O no hydrogen 3.066 N/A LEU 235.A N GLN 218.A O no hydrogen 2.885 N/A GLN 236.A N PRO 239.A O no hydrogen 3.039 N/A GLN 236.A NE2 SER 238.A O no hydrogen 2.859 N/A SER 238.A OG PHE 240.A O no hydrogen 2.752 N/A PHE 240.A N ILE 264.A O no hydrogen 3.291 N/A GLY 241.A N MET 234.A O no hydrogen 3.259 N/A SER 242.A OG ASP 259.A OD1 no hydrogen 2.876 N/A PHE 244.A N ILE 258.A O no hydrogen 2.990 N/A ARG 245.A N.A GLY 232.A O no hydrogen 2.728 N/A ARG 245.A N.B GLY 232.A O no hydrogen 2.740 N/A THR 246.A N ALA 256.A O no hydrogen 2.818 N/A THR 246.A OG1 ALA 256.A O no hydrogen 3.493 N/A PHE 247.A N MET 230.A O no hydrogen 2.845 N/A ASN 248.A N LYS 253.A O no hydrogen 2.814 N/A ALA 249.A N THR 228.A O no hydrogen 3.012 N/A THR 250.A N ASN 248.A OD1 no hydrogen 2.868 N/A THR 250.A OG1 ASN 248.A OD1 no hydrogen 2.846 N/A TYR 252.A N ASN 248.A O no hydrogen 2.746 N/A TYR 252.A OH GLU 194.A OE1 no hydrogen 2.590 N/A LYS 253.A N ASP 251.A OD1 no hydrogen 2.931 N/A ILE 255.A N THR 246.A O no hydrogen 2.843 N/A ALA 256.A N THR 246.A OG1 no hydrogen 3.074 N/A ILE 258.A N PHE 244.A O no hydrogen 2.841 N/A VAL 260.A N SER 242.A O no hydrogen 2.770 N/A LYS 261.A N ASP 259.A OD1 no hydrogen 2.878 N/A ARG 262.A NE GLU 280.A OE1 no hydrogen 2.912 N/A ARG 262.A NH2 GLU 280.A OE1 no hydrogen 2.905 N/A ASN 263.A ND2 ASP 284.A OD1 no hydrogen 3.088 N/A ILE 264.A N GLY 241.A O no hydrogen 2.921 N/A PHE 265.A N ILE 279.A O no hydrogen 2.801 N/A CYS 268.A N ALA 277.A O no hydrogen 2.924 N/A THR 269.A OG1.B TYR 275.A O no hydrogen 2.646 N/A ASP 270.A N TYR 275.A O no hydrogen 3.325 N/A LYS 272.A N ASP 270.A OD2 no hydrogen 3.287 N/A ASP 273.A N ASP 270.A O no hydrogen 2.810 N/A CYS 274.A N ASP 270.A OD1 no hydrogen 2.808 N/A CYS 274.A SG LYS 272.A O no hydrogen 3.742 N/A TYR 275.A N ASP 270.A OD1 no hydrogen 2.733 N/A LEU 276.A N TYR 295.A O no hydrogen 2.852 N/A ALA 277.A N CYS 268.A O no hydrogen 2.765 N/A VAL 278.A N ARG 293.A O no hydrogen 2.863 N/A ILE 279.A N ASP 266.A O no hydrogen 2.905 N/A GLU 280.A N VAL 291.A O no hydrogen 2.946 N/A ASN 281.A N ASN 263.A O no hydrogen 2.878 N/A ASN 281.A ND2 ASN 287.A O no hydrogen 2.835 N/A GLN 282.A N ASP 289.A O no hydrogen 3.055 N/A GLN 282.A NE2 ASP 289.A O no hydrogen 3.312 N/A ASP 289.A N ASN 281.A OD1 no hydrogen 2.876 N/A THR 290.A N SER 16.A O no hydrogen 2.947 N/A THR 290.A OG1 SER 16.A O no hydrogen 3.404 N/A THR 290.A OG1 PHE 18.A O no hydrogen 2.799 N/A VAL 291.A N GLU 280.A O no hydrogen 2.884 N/A CYS 292.A N PHE 8.A O no hydrogen 2.802 N/A ARG 293.A N VAL 278.A O no hydrogen 2.855 N/A LEU 294.A N SER 6.A O no hydrogen 2.835 N/A TYR 295.A N LEU 276.A O no hydrogen 2.751 N/A TYR 295.A OH GLU 280.A OE2 no hydrogen 2.573 N/A GLU 296.A N ARG 3.A O no hydrogen 2.801 N/A VAL 297.A N CYS 274.A O no hydrogen 3.290 N/A