Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3txx_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LYS 3.A NZ ASP 5.A OD1 no hydrogen 2.737 N/A LYS 3.A NZ ASP 5.A OD2 no hydrogen 3.299 N/A LYS 3.A NZ ALA 115.A O no hydrogen 3.050 N/A ARG 4.A NH1 GLU 16.A OE2 no hydrogen 2.828 N/A ARG 4.A NH1 TYR 305.A OH no hydrogen 3.342 N/A ARG 4.A NH2 THR 11.A OG1 no hydrogen 3.165 N/A ARG 4.A NH2 GLU 16.A OE1 no hydrogen 3.324 N/A TYR 6.A N VAL 119.A O no hydrogen 2.783 N/A TYR 6.A OH PRO 129.A O no hydrogen 2.842 N/A THR 9.A OG1 GLU 132.A OE1 no hydrogen 2.682 N/A THR 11.A N THR 8.A O no hydrogen 3.313 N/A TYR 12.A N THR 9.A O no hydrogen 3.195 N/A TYR 12.A OH ASP 5.A O no hydrogen 2.603 N/A THR 13.A N GLU 16.A OE1 no hydrogen 3.006 N/A LYS 14.A NZ GLU 150.A OE2 no hydrogen 3.013 N/A LYS 14.A NZ MET 174.A O no hydrogen 3.564 N/A GLU 16.A N THR 13.A OG1 no hydrogen 3.072 N/A MET 17.A N THR 13.A O no hydrogen 2.981 N/A HIS 18.A N LYS 14.A O no hydrogen 2.877 N/A TYR 19.A N GLU 15.A O no hydrogen 2.873 N/A LEU 20.A N GLU 16.A O no hydrogen 3.020 N/A VAL 21.A N MET 17.A O no hydrogen 2.907 N/A ASP 22.A N HIS 18.A O no hydrogen 2.922 N/A LEU 23.A N TYR 19.A O no hydrogen 2.819 N/A SER 24.A N LEU 20.A O no hydrogen 2.750 N/A SER 24.A OG LEU 20.A O no hydrogen 3.031 N/A LEU 25.A N VAL 21.A O no hydrogen 2.892 N/A LYS 26.A N ASP 22.A O no hydrogen 2.822 N/A ILE 27.A N LEU 23.A O no hydrogen 3.107 N/A LYS 28.A N SER 24.A O no hydrogen 2.942 N/A LYS 28.A NZ GLU 141.A OE1 no hydrogen 3.191 N/A LYS 28.A NZ GLU 141.A OE2 no hydrogen 2.945 N/A LYS 28.A NZ ASN 294.A OD1 no hydrogen 3.256 N/A GLU 29.A N LEU 25.A O no hydrogen 2.896 N/A ALA 30.A N LYS 26.A O no hydrogen 3.169 N/A ILE 31.A N ILE 27.A O no hydrogen 3.026 N/A LYS 32.A N LYS 28.A O no hydrogen 2.697 N/A LYS 32.A NZ GLU 29.A OE1 no hydrogen 3.384 N/A ASN 33.A N ALA 30.A O no hydrogen 3.001 N/A ASN 33.A ND2 GLU 29.A O no hydrogen 3.366 N/A GLY 34.A N ILE 31.A O no hydrogen 3.157 N/A TYR 35.A N ALA 30.A O no hydrogen 2.956 N/A GLN 38.A NE2 TYR 36.A O no hydrogen 2.764 N/A GLN 38.A NE2 GLN 66.A O no hydrogen 2.831 N/A LEU 39.A N PRO 37.A O no hydrogen 2.892 N/A LEU 40.A N LEU 67.A O no hydrogen 2.869 N/A ASN 42.A N GLY 68.A O no hydrogen 2.880 N/A LYS 43.A N LEU 40.A O no hydrogen 3.103 N/A SER 44.A N ASP 96.A OD2 no hydrogen 2.691 N/A LEU 45.A N HIS 70.A O no hydrogen 3.037 N/A GLY 46.A N ILE 97.A O no hydrogen 2.952 N/A MET 47.A N GLU 72.A O no hydrogen 2.685 N/A ILE 48.A N MET 99.A O no hydrogen 2.910 N/A PHE 49.A N LEU 74.A O no hydrogen 3.510 N/A GLN 50.A N ARG 101.A O no hydrogen 2.957 N/A THR 56.A N SER 53.A OG no hydrogen 3.351 N/A ARG 57.A N SER 53.A O no hydrogen 2.662 N/A ARG 57.A NE GLU 61.A OE1 no hydrogen 2.873 N/A VAL 58.A N THR 54.A O no hydrogen 2.819 N/A SER 59.A N ARG 55.A O no hydrogen 3.194 N/A SER 59.A OG ARG 55.A O no hydrogen 3.079 N/A PHE 60.A N THR 56.A O no hydrogen 3.291 N/A GLU 61.A N ARG 57.A O no hydrogen 2.879 N/A THR 62.A N VAL 58.A O no hydrogen 2.919 N/A THR 62.A OG1 VAL 58.A O no hydrogen 3.173 N/A ALA 63.A N SER 59.A O no hydrogen 2.900 N/A MET 64.A N PHE 60.A O no hydrogen 2.968 N/A GLU 65.A N GLU 61.A O no hydrogen 3.303 N/A GLN 66.A N THR 62.A O no hydrogen 3.044 N/A LEU 67.A N ALA 63.A O no hydrogen 3.257 N/A LEU 67.A N MET 64.A O no hydrogen 3.093 N/A GLY 68.A N GLU 65.A O no hydrogen 3.036 N/A GLY 69.A N MET 64.A O no hydrogen 2.770 N/A HIS 70.A N LYS 43.A O no hydrogen 3.208 N/A GLU 72.A N LEU 45.A O no hydrogen 2.707 N/A LEU 74.A N MET 47.A O no hydrogen 2.834 N/A ILE 79.A N ALA 75.A O no hydrogen 3.206 N/A THR 87.A N THR 83.A O no hydrogen 3.003 N/A THR 87.A OG1 THR 83.A O no hydrogen 3.128 N/A SER 88.A N ILE 84.A O no hydrogen 2.727 N/A SER 88.A OG ILE 84.A O no hydrogen 3.049 N/A ARG 89.A N GLU 85.A O no hydrogen 3.081 N/A ARG 89.A NE GLU 85.A O no hydrogen 3.523 N/A VAL 90.A N ASP 86.A O no hydrogen 3.061 N/A LEU 91.A N THR 87.A O no hydrogen 2.974 N/A SER 92.A N SER 88.A O no hydrogen 3.182 N/A SER 92.A OG SER 88.A O no hydrogen 2.942 N/A ARG 93.A N VAL 90.A O no hydrogen 3.081 N/A LEU 94.A N LEU 91.A O no hydrogen 3.089 N/A VAL 95.A N LEU 91.A O no hydrogen 3.178 N/A ASP 96.A N SER 44.A O no hydrogen 2.754 N/A ILE 97.A N SER 44.A O no hydrogen 3.369 N/A LEU 98.A N PRO 118.A O no hydrogen 2.886 N/A MET 99.A N GLY 46.A O no hydrogen 3.015 N/A ALA 100.A N ILE 120.A O no hydrogen 3.009 N/A ARG 101.A N ILE 48.A O no hydrogen 2.739 N/A GLU 103.A N GLN 50.A OE1 no hydrogen 3.089 N/A HIS 105.A N ASP 125.A OD1 no hydrogen 3.320 N/A HIS 105.A ND1 SER 124.A OG no hydrogen 2.631 N/A HIS 106.A ND1 ASP 110.A OD2 no hydrogen 3.241 N/A SER 107.A N ARG 104.A O no hydrogen 3.010 N/A SER 107.A OG ARG 104.A O no hydrogen 2.811 N/A ILE 108.A N HIS 105.A O no hydrogen 2.794 N/A VAL 109.A N HIS 105.A O no hydrogen 3.399 N/A ASP 110.A N HIS 106.A O no hydrogen 3.023 N/A LEU 111.A N SER 107.A O no hydrogen 3.027 N/A ALA 112.A N ILE 108.A O no hydrogen 3.052 N/A ASN 113.A N VAL 109.A O no hydrogen 2.726 N/A CYS 114.A N ASP 110.A O no hydrogen 3.089 N/A CYS 114.A N LEU 111.A O no hydrogen 3.157 N/A ALA 115.A N LEU 111.A O no hydrogen 2.921 N/A THR 116.A N SER 92.A OG no hydrogen 3.005 N/A VAL 119.A N ASP 5.A OD1 no hydrogen 3.002 N/A ILE 120.A N LEU 98.A O no hydrogen 2.627 N/A ASN 121.A N TYR 6.A O no hydrogen 2.997 N/A ASN 121.A ND2 VAL 7.A O no hydrogen 3.092 N/A GLY 122.A N ALA 100.A O no hydrogen 3.001 N/A SER 124.A N ASN 127.A O no hydrogen 3.118 N/A SER 124.A OG HIS 105.A ND1 no hydrogen 2.631 N/A SER 124.A OG ASN 127.A OD1 no hydrogen 3.460 N/A TYR 126.A N SER 124.A OG no hydrogen 3.103 N/A TYR 126.A OH GLU 10.A OE2 no hydrogen 2.581 N/A ASN 127.A N SER 124.A OG no hydrogen 3.359 N/A ASN 127.A ND2 VAL 7.A O no hydrogen 3.177 N/A HIS 128.A N SER 166.A OG no hydrogen 2.814 N/A GLN 131.A N HIS 128.A O no hydrogen 3.115 N/A GLN 131.A NE2 ASP 135.A OD1 no hydrogen 2.845 N/A GLN 131.A NE2 ASP 135.A OD2 no hydrogen 3.454 N/A GLU 132.A N HIS 128.A O no hydrogen 3.100 N/A LEU 133.A N PRO 129.A O no hydrogen 3.282 N/A ASP 135.A N GLN 131.A O no hydrogen 2.861 N/A LEU 136.A N GLU 132.A O no hydrogen 3.043 N/A CYS 137.A N LEU 133.A O no hydrogen 3.094 N/A CYS 137.A SG LEU 133.A O no hydrogen 3.518 N/A THR 138.A N GLY 134.A O no hydrogen 3.226 N/A THR 138.A OG1 GLY 134.A O no hydrogen 2.704 N/A MET 139.A N ASP 135.A O no hydrogen 2.956 N/A VAL 140.A N LEU 136.A O no hydrogen 2.988 N/A GLU 141.A N CYS 137.A O no hydrogen 3.090 N/A HIS 142.A N MET 139.A O no hydrogen 2.880 N/A HIS 142.A ND1 THR 138.A O no hydrogen 3.017 N/A LYS 147.A NZ ASP 220.A OD1 no hydrogen 3.521 N/A LYS 148.A N ASP 151.A OD1 no hydrogen 2.877 N/A GLU 150.A N GLU 150.A OE1 no hydrogen 2.980 N/A CYS 152.A N LEU 149.A O no hydrogen 2.652 N/A LYS 153.A N ASP 220.A OD2 no hydrogen 2.653 N/A LYS 153.A NZ SER 215.A O no hydrogen 3.294 N/A LYS 153.A NZ GLU 217.A O no hydrogen 3.013 N/A VAL 154.A N ASN 177.A O no hydrogen 2.824 N/A VAL 155.A N PHE 221.A O no hydrogen 2.867 N/A PHE 156.A N VAL 179.A O no hydrogen 2.878 N/A VAL 157.A N TYR 223.A O no hydrogen 2.827 N/A GLY 158.A N PHE 181.A O no hydrogen 3.420 N/A THR 161.A N ASP 159.A O no hydrogen 2.887 N/A THR 161.A OG1 ASP 225.A OD2 no hydrogen 3.064 N/A GLN 162.A NE2 SER 124.A O no hydrogen 3.359 N/A CYS 164.A N THR 161.A OG1 no hydrogen 3.230 N/A PHE 165.A N THR 161.A O no hydrogen 3.007 N/A SER 166.A N GLN 162.A O no hydrogen 2.824 N/A SER 166.A OG GLU 132.A OE2 no hydrogen 3.068 N/A LEU 167.A N VAL 163.A O no hydrogen 2.950 N/A GLY 168.A N CYS 164.A O no hydrogen 3.207 N/A LEU 169.A N PHE 165.A O no hydrogen 2.866 N/A ILE 170.A N SER 166.A O no hydrogen 2.958 N/A THR 171.A N LEU 167.A O no hydrogen 3.030 N/A THR 171.A OG1 LEU 167.A O no hydrogen 2.755 N/A THR 171.A OG1 GLY 168.A O no hydrogen 3.318 N/A THR 172.A N GLY 168.A O no hydrogen 3.074 N/A THR 172.A OG1 GLY 168.A O no hydrogen 2.706 N/A THR 172.A OG1 LEU 169.A O no hydrogen 3.467 N/A LYS 173.A NZ THR 9.A O no hydrogen 2.981 N/A MET 174.A N ILE 170.A O no hydrogen 3.175 N/A MET 174.A N THR 171.A O no hydrogen 3.279 N/A GLY 175.A N THR 172.A O no hydrogen 3.064 N/A MET 176.A N THR 171.A O no hydrogen 2.949 N/A ASN 177.A N CYS 152.A O no hydrogen 3.159 N/A VAL 179.A N VAL 154.A O no hydrogen 3.079 N/A HIS 180.A NE2 GLY 158.A O no hydrogen 2.812 N/A PHE 181.A N PHE 156.A O no hydrogen 3.114 N/A PHE 186.A N PRO 183.A O no hydrogen 2.747 N/A LEU 188.A N HIS 180.A ND1 no hydrogen 3.284 N/A ASN 189.A ND2 GLU 190.A OE1 no hydrogen 3.317 N/A GLU 191.A N GLU 190.A OE1 no hydrogen 3.112 N/A HIS 192.A N ASN 189.A O no hydrogen 2.832 N/A GLN 193.A N ASN 189.A O no hydrogen 2.803 N/A ALA 194.A N GLU 190.A O no hydrogen 2.805 N/A LYS 195.A N HIS 192.A O no hydrogen 2.919 N/A LYS 195.A NZ GLU 10.A OE1 no hydrogen 3.180 N/A LYS 195.A NZ TYR 126.A OH no hydrogen 3.350 N/A LEU 196.A N HIS 192.A O no hydrogen 3.196 N/A ALA 197.A N GLN 193.A O no hydrogen 2.640 N/A LYS 198.A N ALA 194.A O no hydrogen 3.057 N/A ASN 199.A N LYS 195.A O no hydrogen 3.053 N/A ASN 199.A ND2 THR 172.A OG1 no hydrogen 2.693 N/A CYS 200.A N LEU 196.A O no hydrogen 3.209 N/A CYS 200.A SG LEU 196.A O no hydrogen 3.318 N/A GLU 201.A N ALA 197.A O no hydrogen 3.036 N/A VAL 202.A N ASN 199.A O no hydrogen 3.229 N/A SER 203.A N CYS 200.A O no hydrogen 3.216 N/A SER 203.A OG THR 172.A O no hydrogen 2.427 N/A SER 203.A OG ASN 199.A O no hydrogen 3.317 N/A GLY 204.A N CYS 200.A O no hydrogen 3.035 N/A SER 206.A OG ASN 177.A OD1 no hydrogen 3.293 N/A VAL 209.A N HIS 180.A O no hydrogen 3.387 N/A THR 210.A OG1 GLU 184.A OE2 no hydrogen 3.363 N/A SER 214.A OG ASP 211.A O no hydrogen 3.032 N/A SER 214.A OG ASP 211.A OD1 no hydrogen 2.566 N/A SER 214.A OG ASP 212.A O no hydrogen 2.565 N/A SER 215.A N ASP 212.A O no hydrogen 3.141 N/A SER 215.A OG ASP 211.A O no hydrogen 3.130 N/A GLY 218.A N ALA 258.A O no hydrogen 2.736 N/A ALA 219.A N VAL 216.A O no hydrogen 3.013 N/A ASP 220.A N LYS 153.A O no hydrogen 2.780 N/A PHE 221.A N LYS 153.A O no hydrogen 3.091 N/A LEU 222.A N LYS 263.A O no hydrogen 2.979 N/A TYR 223.A N VAL 155.A O no hydrogen 2.775 N/A TYR 223.A OH ASP 135.A OD2 no hydrogen 2.830 N/A TYR 223.A OH GLU 291.A OE2 no hydrogen 3.247 N/A THR 224.A N MET 265.A O no hydrogen 3.079 N/A THR 224.A OG1 VAL 157.A O no hydrogen 2.591 N/A THR 224.A OG1 ASP 225.A O no hydrogen 3.229 N/A ARG 240.A NE LEU 235.A O no hydrogen 2.950 N/A ARG 240.A NE SER 236.A O no hydrogen 2.844 N/A LYS 242.A N GLU 238.A O no hydrogen 3.244 N/A VAL 243.A N GLU 239.A O no hydrogen 3.422 N/A VAL 243.A N ARG 240.A O no hydrogen 3.146 N/A PHE 244.A N ARG 240.A O no hydrogen 3.096 N/A TYR 245.A N MET 241.A O no hydrogen 3.011 N/A TYR 248.A N ASP 212.A OD1 no hydrogen 3.217 N/A GLN 249.A N LYS 247.A O no hydrogen 2.228 N/A GLN 249.A NE2 GLY 273.A O no hydrogen 3.019 N/A GLN 249.A NE2 GLU 274.A O no hydrogen 3.533 N/A VAL 250.A N GLU 275.A O no hydrogen 2.985 N/A ASN 251.A ND2 GLN 249.A OE1 no hydrogen 3.463 N/A GLN 252.A N GLU 279.A OE2 no hydrogen 3.453 N/A MET 254.A N ASN 251.A OD1 no hydrogen 2.848 N/A MET 255.A N ASN 251.A O no hydrogen 2.878 N/A ASP 256.A N GLN 252.A O no hydrogen 2.700 N/A ARG 257.A N GLU 253.A O no hydrogen 2.886 N/A ARG 257.A NH1 GLU 217.A OE2 no hydrogen 2.551 N/A ALA 258.A N MET 255.A O no hydrogen 3.009 N/A GLY 259.A N MET 255.A O no hydrogen 3.239 N/A CYS 262.A SG ALA 219.A O no hydrogen 3.275 N/A CYS 262.A SG LYS 263.A O no hydrogen 3.910 N/A LYS 263.A N ASP 220.A O no hydrogen 3.084 N/A LYS 263.A NZ ASN 285.A OD1 no hydrogen 3.302 N/A PHE 264.A N ASN 285.A O no hydrogen 2.745 N/A MET 265.A N LEU 222.A O no hydrogen 2.810 N/A HIS 266.A N GLU 291.A OE1 no hydrogen 3.077 N/A HIS 266.A NE2 GLU 275.A OE2 no hydrogen 3.239 N/A CYS 267.A SG ASP 225.A OD1 no hydrogen 3.315 N/A LEU 268.A N HIS 266.A ND1 no hydrogen 2.859 N/A THR 271.A N GLU 275.A OE2 no hydrogen 2.841 N/A THR 271.A OG1 GLU 275.A OE1 no hydrogen 3.123 N/A THR 271.A OG1 GLU 275.A OE2 no hydrogen 3.138 N/A ARG 272.A NH1 ASP 278.A OD1 no hydrogen 3.399 N/A ARG 272.A NH1 ASP 282.A OD1 no hydrogen 3.381 N/A ARG 272.A NH1 ASP 282.A OD2 no hydrogen 2.941 N/A ARG 272.A NH2 ASP 282.A OD1 no hydrogen 2.831 N/A ARG 272.A NH2 ASP 282.A OD2 no hydrogen 3.508 N/A GLY 273.A N VAL 276.A O no hydrogen 2.932 N/A GLU 274.A N THR 271.A O no hydrogen 3.102 N/A THR 277.A N VAL 250.A O no hydrogen 2.982 N/A VAL 280.A N THR 277.A O no hydrogen 3.237 N/A ILE 281.A N THR 277.A O no hydrogen 3.361 N/A ASP 282.A N ASP 278.A O no hydrogen 2.917 N/A GLY 283.A N VAL 280.A O no hydrogen 2.882 N/A ASN 285.A ND2 ALA 260.A O no hydrogen 3.323 N/A SER 286.A N GLY 283.A O no hydrogen 3.124 N/A SER 286.A OG ILE 281.A O no hydrogen 2.744 N/A ILE 287.A N PHE 264.A O no hydrogen 3.046 N/A CYS 288.A SG SER 286.A OG no hydrogen 3.533 N/A GLU 291.A N ILE 287.A O no hydrogen 2.896 N/A ALA 292.A N CYS 288.A O no hydrogen 3.014 N/A GLU 293.A N PHE 289.A O no hydrogen 2.973 N/A ASN 294.A N ASP 290.A O no hydrogen 2.834 N/A ASN 294.A ND2 THR 138.A OG1 no hydrogen 2.805 N/A ASN 294.A ND2 GLU 141.A OE1 no hydrogen 3.424 N/A ARG 295.A N ALA 292.A O no hydrogen 2.907 N/A ARG 295.A NE THR 130.A O no hydrogen 3.524 N/A ARG 295.A NH2 THR 56.A OG1 no hydrogen 3.249 N/A ARG 295.A NH2 THR 130.A OG1 no hydrogen 3.313 N/A LEU 296.A N GLU 293.A O no hydrogen 3.040 N/A THR 297.A N GLU 293.A O no hydrogen 3.182 N/A THR 297.A OG1 GLU 293.A O no hydrogen 3.515 N/A THR 297.A OG1 ASN 294.A OD1 no hydrogen 2.700 N/A SER 298.A N ASN 294.A O no hydrogen 2.990 N/A SER 298.A OG THR 130.A O no hydrogen 3.475 N/A SER 298.A OG ASN 294.A O no hydrogen 3.090 N/A SER 298.A OG ARG 295.A O no hydrogen 3.083 N/A ILE 299.A N ARG 295.A O no hydrogen 3.385 N/A ARG 300.A N LEU 296.A O no hydrogen 2.753 N/A ARG 300.A NE GLN 66.A OE1 no hydrogen 2.976 N/A LEU 302.A N SER 298.A O no hydrogen 2.726 N/A LEU 303.A N ILE 299.A O no hydrogen 3.036 N/A VAL 304.A N ARG 300.A O no hydrogen 3.515 N/A TYR 305.A N GLY 301.A O no hydrogen 2.963 N/A LEU 306.A N LEU 302.A O no hydrogen 3.082 N/A MET 307.A N LEU 303.A O no hydrogen 3.105 N/A ASN 308.A N VAL 304.A O no hydrogen 2.874 N/A ASP 309.A N TYR 305.A O no hydrogen 2.797 N/A TYR 310.A N LEU 306.A O no hydrogen 2.819 N/A GLU 311.A N MET 307.A O no hydrogen 2.845 N/A GLU 311.A N ASN 308.A O no hydrogen 3.012 N/A ALA 312.A N ASN 308.A O no hydrogen 3.041 N/A LYS 313.A NZ LYS 3.A O no hydrogen 3.350 N/A LYS 313.A NZ ASP 309.A OD1 no hydrogen 3.315 N/A LYS 313.A NZ ASP 309.A OD2 no hydrogen 3.010 N/A ASN 314.A N GLU 311.A O no hydrogen 2.940 N/A ASN 314.A ND2 MET 2.A O no hydrogen 3.402 N/A ASN 314.A ND2 TYR 310.A O no hydrogen 2.628 N/A ILE 319.A N ASP 317.A OD1 no hydrogen 3.048 N/A GLN 321.A N ASP 317.A O no hydrogen 2.777 N/A ALA 322.A N LEU 318.A O no hydrogen 2.938 N/A GLU 323.A N ILE 319.A O no hydrogen 2.935 N/A ALA 324.A N LYS 320.A O no hydrogen 2.907 N/A LYS 325.A N GLN 321.A O no hydrogen 2.999 N/A LYS 326.A N ALA 322.A O no hydrogen 3.047 N/A GLU 327.A N GLU 323.A O no hydrogen 2.629 N/A LEU 328.A N ALA 324.A O no hydrogen 3.056 N/A GLU 329.A N LYS 325.A O no hydrogen 2.930 N/A VAL 330.A N LYS 326.A O no hydrogen 2.868 N/A PHE 331.A N GLU 327.A O no hydrogen 3.003 N/A LEU 332.A N LEU 328.A O no hydrogen 2.905 N/A ASP 333.A N GLU 329.A O no hydrogen 2.831 N/A THR 334.A N PHE 331.A O no hydrogen 3.349 N/A THR 334.A OG1 VAL 330.A O no hydrogen 3.025 N/A GLN 335.A N PHE 331.A O no hydrogen 2.942 N/A GLN 335.A NE2 THR 334.A OG1 no hydrogen 3.174 N/A