Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2etk_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLU 7.A N GLU 3.A O no hydrogen 2.810 N/A LYS 8.A N THR 4.A O no hydrogen 2.745 N/A MET 9.A N ARG 5.A O no hydrogen 2.969 N/A ASP 10.A N PHE 6.A O no hydrogen 3.224 N/A ASN 11.A N GLU 7.A O no hydrogen 2.846 N/A LEU 12.A N MET 9.A O no hydrogen 3.217 N/A ASP 15.A N ASN 11.A O no hydrogen 3.189 N/A LYS 17.A N ASP 15.A OD1 no hydrogen 2.832 N/A SER 18.A N ASP 15.A O no hydrogen 3.005 N/A SER 18.A OG LEU 12.A O no hydrogen 2.784 N/A VAL 20.A N SER 18.A OG no hydrogen 3.317 N/A ASN 21.A ND2 ASP 15.A O no hydrogen 2.762 N/A SER 22.A N LEU 13.A O no hydrogen 3.376 N/A SER 22.A OG LEU 13.A O no hydrogen 3.309 N/A ASP 23.A N ASN 397.A OD1 no hydrogen 2.842 N/A CYS 24.A N ASN 21.A OD1 no hydrogen 3.166 N/A CYS 24.A SG SER 18.A O no hydrogen 3.455 N/A CYS 24.A SG ASN 21.A OD1 no hydrogen 3.319 N/A LEU 25.A N ASN 21.A O no hydrogen 2.985 N/A LEU 26.A N SER 22.A O no hydrogen 3.107 N/A ASP 27.A N ASP 23.A O no hydrogen 3.120 N/A GLY 28.A N CYS 24.A O no hydrogen 2.908 N/A LEU 29.A N LEU 25.A O no hydrogen 3.206 N/A ASP 30.A N LEU 26.A O no hydrogen 3.279 N/A ALA 31.A N ASP 27.A O no hydrogen 2.749 N/A LEU 32.A N GLY 28.A O no hydrogen 3.385 N/A VAL 33.A N LEU 29.A O no hydrogen 3.198 N/A TYR 34.A N ASP 30.A O no hydrogen 3.409 N/A ASP 35.A N ALA 31.A O no hydrogen 2.970 N/A ASP 37.A N VAL 33.A O no hydrogen 3.201 N/A PHE 38.A N LEU 36.A O no hydrogen 2.715 N/A LEU 41.A N PHE 38.A O no hydrogen 2.731 N/A ARG 42.A N PHE 38.A O no hydrogen 2.857 N/A ARG 42.A NH1 ASP 48.A OD1 no hydrogen 2.746 N/A ARG 42.A NH1 SER 52.A OG no hydrogen 3.156 N/A ASN 44.A N LEU 41.A O no hydrogen 3.196 N/A LYS 45.A NZ ASP 48.A OD2 no hydrogen 3.054 N/A ASN 46.A N ASN 44.A OD1 no hydrogen 2.940 N/A ASP 48.A N ASN 44.A O no hydrogen 2.938 N/A ASN 49.A N LYS 45.A O no hydrogen 2.771 N/A PHE 50.A N ASN 46.A O no hydrogen 3.004 N/A LEU 51.A N ILE 47.A O no hydrogen 3.170 N/A SER 52.A N ASP 48.A O no hydrogen 3.239 N/A SER 52.A OG ASP 48.A O no hydrogen 3.346 N/A ARG 53.A N ASN 49.A O no hydrogen 2.812 N/A TYR 54.A N PHE 50.A O no hydrogen 2.997 N/A ILE 58.A N TYR 54.A O no hydrogen 2.681 N/A ASN 59.A N LYS 55.A O no hydrogen 3.377 N/A ILE 61.A N THR 57.A O no hydrogen 3.135 N/A ARG 62.A N ILE 58.A O no hydrogen 3.036 N/A ARG 62.A NE ASP 30.A OD2 no hydrogen 2.773 N/A ARG 62.A NH2 ASP 30.A O no hydrogen 3.422 N/A ARG 62.A NH2 ASP 30.A OD2 no hydrogen 3.049 N/A ASP 63.A N ASN 59.A O no hydrogen 2.999 N/A LEU 64.A N LYS 60.A O no hydrogen 3.155 N/A LEU 64.A N ILE 61.A O no hydrogen 3.094 N/A ARG 65.A N ILE 61.A O no hydrogen 2.855 N/A ARG 65.A NH1 ASP 27.A OD2 no hydrogen 3.238 N/A ARG 65.A NH2 ASP 27.A OD2 no hydrogen 2.703 N/A LYS 67.A N ASP 70.A OD1 no hydrogen 2.781 N/A LYS 67.A NZ ASP 63.A O no hydrogen 2.789 N/A LYS 67.A NZ ASP 63.A OD2 no hydrogen 3.532 N/A LYS 67.A NZ ASP 70.A OD2 no hydrogen 3.370 N/A GLU 69.A N GLU 69.A OE1 no hydrogen 2.929 N/A ASP 70.A N LYS 67.A O no hydrogen 3.325 N/A TYR 71.A N ALA 68.A O no hydrogen 3.197 N/A GLU 72.A N ARG 89.A O no hydrogen 2.724 N/A VAL 74.A N LEU 87.A O no hydrogen 2.813 N/A LYS 75.A N LEU 87.A O no hydrogen 3.497 N/A LYS 75.A NZ THR 360.A OG1 no hydrogen 3.065 N/A ILE 77.A N VAL 85.A O no hydrogen 2.952 N/A GLY 80.A N GLY 83.A O no hydrogen 3.025 N/A GLY 83.A N GLY 80.A O no hydrogen 3.238 N/A GLU 84.A N LEU 101.A O no hydrogen 3.342 N/A VAL 85.A N GLY 78.A O no hydrogen 2.729 N/A GLN 86.A N MET 99.A O no hydrogen 2.874 N/A LEU 87.A N LYS 75.A O no hydrogen 2.911 N/A VAL 88.A N TYR 97.A O no hydrogen 2.836 N/A ARG 89.A N GLU 72.A O no hydrogen 2.828 N/A ARG 89.A NH1 ARG 94.A O no hydrogen 3.155 N/A ARG 89.A NH1 ASP 357.A OD2 no hydrogen 3.463 N/A ARG 89.A NH2 ASP 357.A OD1 no hydrogen 3.053 N/A ARG 89.A NH2 ASP 357.A OD2 no hydrogen 3.314 N/A HIS 90.A N LYS 95.A O no hydrogen 2.900 N/A LYS 91.A N ASP 70.A O no hydrogen 2.963 N/A LYS 91.A NZ GLU 69.A O no hydrogen 3.297 N/A SER 92.A N HIS 90.A ND1 no hydrogen 3.104 N/A THR 93.A N HIS 90.A ND1 no hydrogen 3.388 N/A ARG 94.A N HIS 90.A O no hydrogen 2.641 N/A TYR 97.A N VAL 88.A O no hydrogen 2.787 N/A ALA 98.A N MET 148.A O no hydrogen 3.080 N/A MET 99.A N GLN 86.A O no hydrogen 2.957 N/A LYS 100.A N MET 146.A O no hydrogen 2.922 N/A LYS 100.A NZ GLU 119.A OE1 no hydrogen 3.087 N/A LEU 101.A N GLU 84.A O no hydrogen 2.786 N/A LEU 102.A N LEU 144.A O no hydrogen 2.950 N/A SER 103.A N PHE 82.A O no hydrogen 2.823 N/A LYS 104.A N ARG 142.A O no hydrogen 2.921 N/A LYS 104.A NZ GLN 139.A OE1 no hydrogen 3.475 N/A LYS 104.A NZ ASP 140.A O no hydrogen 2.830 N/A LYS 104.A NZ TYR 143.A O no hydrogen 2.739 N/A MET 107.A N SER 103.A O no hydrogen 2.985 N/A ILE 108.A N LYS 104.A O no hydrogen 3.150 N/A LYS 109.A N PHE 105.A O no hydrogen 2.955 N/A ARG 110.A N ILE 108.A O no hydrogen 2.667 N/A GLU 118.A N PHE 115.A O no hydrogen 3.116 N/A ARG 120.A N PHE 116.A O no hydrogen 2.857 N/A ARG 120.A NH1 PHE 392.A O no hydrogen 3.218 N/A ASP 121.A N TRP 117.A O no hydrogen 2.981 N/A ILE 122.A N GLU 118.A O no hydrogen 3.077 N/A MET 123.A N GLU 119.A O no hydrogen 3.174 N/A ALA 124.A N ARG 120.A O no hydrogen 3.293 N/A PHE 125.A N ASP 121.A O no hydrogen 3.274 N/A PHE 125.A N ILE 122.A O no hydrogen 3.263 N/A ALA 126.A N ILE 122.A O no hydrogen 2.769 N/A TRP 130.A N SER 128.A OG no hydrogen 3.367 N/A VAL 131.A N SER 128.A O no hydrogen 3.079 N/A VAL 132.A N LEU 209.A O no hydrogen 3.260 N/A GLN 133.A N GLU 149.A OE1 no hydrogen 3.195 N/A LEU 134.A N MET 123.A O no hydrogen 2.725 N/A PHE 135.A N VAL 147.A O no hydrogen 2.867 N/A TYR 136.A N VAL 147.A O no hydrogen 3.348 N/A ALA 137.A N TYR 394.A O no hydrogen 3.128 N/A PHE 138.A N TYR 145.A O no hydrogen 3.001 N/A GLN 139.A NE2 ASP 27.A OD1 no hydrogen 2.730 N/A GLN 139.A NE2 PHE 389.A O no hydrogen 2.650 N/A ASP 140.A N TYR 143.A O no hydrogen 3.278 N/A ARG 142.A N ASP 140.A OD1 no hydrogen 2.752 N/A ARG 142.A NH2 GLU 372.A OE1 no hydrogen 2.832 N/A TYR 143.A N ASP 140.A OD1 no hydrogen 2.806 N/A LEU 144.A N LEU 102.A O no hydrogen 2.826 N/A TYR 145.A N PHE 138.A O no hydrogen 2.782 N/A TYR 145.A OH ASP 140.A OD2 no hydrogen 3.036 N/A MET 146.A N LYS 100.A O no hydrogen 2.978 N/A VAL 147.A N TYR 136.A O no hydrogen 2.692 N/A MET 148.A N ALA 98.A O no hydrogen 2.948 N/A GLU 149.A N GLN 133.A O no hydrogen 3.108 N/A TYR 150.A OH ASP 359.A O no hydrogen 3.170 N/A GLY 153.A N LEU 201.A O no hydrogen 3.093 N/A GLY 154.A N MET 151.A O no hydrogen 3.371 N/A LEU 156.A N PRO 196.A O no hydrogen 3.325 N/A LEU 156.A N MET 199.A O no hydrogen 3.126 N/A ASN 158.A N ASP 155.A OD2 no hydrogen 2.764 N/A MET 160.A N LEU 156.A O no hydrogen 3.046 N/A SER 161.A N VAL 157.A O no hydrogen 3.218 N/A SER 161.A OG VAL 157.A O no hydrogen 3.120 N/A SER 161.A OG ASN 158.A O no hydrogen 2.797 N/A ASN 162.A N LEU 159.A O no hydrogen 3.272 N/A ALA 170.A N PRO 166.A O no hydrogen 3.111 N/A ARG 171.A N GLU 167.A O no hydrogen 2.774 N/A ARG 171.A NE PHE 332.A O no hydrogen 2.877 N/A PHE 172.A N LYS 168.A O no hydrogen 3.274 N/A TYR 173.A N TRP 169.A O no hydrogen 2.908 N/A THR 174.A N ALA 170.A O no hydrogen 2.805 N/A THR 174.A OG1 ALA 170.A O no hydrogen 2.576 N/A ALA 175.A N ARG 171.A O no hydrogen 3.003 N/A GLU 176.A N PHE 172.A O no hydrogen 3.012 N/A VAL 177.A N TYR 173.A O no hydrogen 3.129 N/A VAL 178.A N THR 174.A O no hydrogen 2.893 N/A LEU 179.A N ALA 175.A O no hydrogen 3.108 N/A ALA 180.A N GLU 176.A O no hydrogen 3.029 N/A LEU 181.A N VAL 177.A O no hydrogen 2.754 N/A ASP 182.A N VAL 178.A O no hydrogen 3.028 N/A ALA 183.A N LEU 179.A O no hydrogen 3.088 N/A ILE 184.A N ALA 180.A O no hydrogen 3.183 N/A HIS 185.A N LEU 181.A O no hydrogen 2.835 N/A HIS 185.A NE2 ASP 255.A OD2 no hydrogen 2.842 N/A SER 186.A N ASP 182.A O no hydrogen 3.025 N/A SER 186.A OG ASP 182.A O no hydrogen 2.731 N/A MET 187.A N ALA 183.A O no hydrogen 3.381 N/A GLY 188.A N HIS 185.A O no hydrogen 2.926 N/A PHE 189.A N ILE 184.A O no hydrogen 3.291 N/A ILE 190.A N MET 216.A O no hydrogen 3.224 N/A HIS 191.A N ASP 255.A OD2 no hydrogen 2.898 N/A ARG 192.A N ASP 255.A OD1 no hydrogen 2.842 N/A ARG 192.A NE THR 214.A O no hydrogen 2.725 N/A ARG 192.A NH1 TYR 250.A OH no hydrogen 2.656 N/A ARG 192.A NH2 THR 214.A O no hydrogen 3.060 N/A ASP 193.A N HIS 191.A ND1 no hydrogen 3.332 N/A LYS 195.A NZ THR 232.A OG1 no hydrogen 3.233 N/A ASN 198.A N LYS 195.A O no hydrogen 2.848 N/A ASN 198.A ND2 ASP 193.A O no hydrogen 2.742 N/A ASN 198.A ND2 ASP 193.A OD1 no hydrogen 3.480 N/A MET 199.A N PRO 196.A O no hydrogen 3.274 N/A LEU 200.A N LYS 208.A O no hydrogen 2.946 N/A LEU 201.A N GLY 154.A O no hydrogen 2.798 N/A ASP 202.A N HIS 206.A O no hydrogen 3.038 N/A SER 204.A N ASP 202.A OD1 no hydrogen 2.936 N/A GLY 205.A N ASP 202.A O no hydrogen 3.015 N/A HIS 206.A N ASP 202.A OD1 no hydrogen 2.752 N/A HIS 206.A ND1 GLU 176.A OE2 no hydrogen 2.663 N/A HIS 206.A NE2 THR 346.A O no hydrogen 2.932 N/A LEU 207.A N GLU 176.A OE1 no hydrogen 2.758 N/A LYS 208.A N LEU 200.A O no hydrogen 2.785 N/A LYS 208.A NZ PRO 129.A O no hydrogen 2.776 N/A LYS 208.A NZ GLU 149.A OE1 no hydrogen 3.555 N/A LEU 209.A N TRP 130.A O no hydrogen 2.782 N/A ALA 210.A N ASN 198.A O no hydrogen 2.727 N/A GLY 213.A N ASP 211.A OD2 no hydrogen 3.031 N/A THR 214.A OG1 HIS 191.A O no hydrogen 2.796 N/A CYS 215.A N PHE 212.A O no hydrogen 3.318 N/A MET 216.A N ILE 190.A O no hydrogen 3.480 N/A LYS 217.A NZ MET 187.A O no hydrogen 3.177 N/A MET 218.A N GLY 188.A O no hydrogen 2.967 N/A ASN 219.A N MET 223.A O no hydrogen 3.222 N/A ASN 219.A ND2 TYR 249.A OH no hydrogen 3.288 N/A GLY 222.A N ASN 219.A O no hydrogen 3.193 N/A MET 223.A N ASN 219.A OD1 no hydrogen 2.721 N/A VAL 224.A N TYR 250.A O no hydrogen 2.791 N/A CYS 226.A N GLY 248.A O no hydrogen 2.834 N/A CYS 226.A SG THR 228.A O no hydrogen 3.278 N/A THR 232.A OG1 ASP 193.A OD2 no hydrogen 2.620 N/A TYR 235.A N THR 232.A O no hydrogen 3.010 N/A ILE 236.A N THR 232.A O no hydrogen 2.902 N/A SER 237.A OG GLU 239.A OE1 no hydrogen 2.969 N/A GLU 239.A N GLU 239.A OE2 no hydrogen 2.805 N/A LEU 241.A N SER 237.A O no hydrogen 3.008 N/A LYS 242.A N PRO 238.A O no hydrogen 3.086 N/A SER 243.A OG VAL 240.A O no hydrogen 2.601 N/A TYR 250.A N VAL 224.A O no hydrogen 3.080 N/A CYS 254.A SG GLY 251.A O no hydrogen 3.339 N/A ASP 255.A N ARG 252.A O no hydrogen 3.029 N/A TRP 257.A N GLU 253.A O no hydrogen 3.188 N/A SER 258.A OG TYR 235.A O no hydrogen 2.724 N/A SER 258.A OG CYS 254.A O no hydrogen 3.384 N/A VAL 259.A N ASP 255.A O no hydrogen 3.243 N/A GLY 260.A N TRP 256.A O no hydrogen 3.201 N/A VAL 261.A N TRP 257.A O no hydrogen 3.095 N/A PHE 262.A N SER 258.A O no hydrogen 2.909 N/A LEU 263.A N VAL 259.A O no hydrogen 2.910 N/A TYR 264.A N GLY 260.A O no hydrogen 3.004 N/A TYR 264.A OH THR 293.A O no hydrogen 2.674 N/A GLU 265.A N VAL 261.A O no hydrogen 3.161 N/A MET 266.A N PHE 262.A O no hydrogen 3.281 N/A LEU 267.A N LEU 263.A O no hydrogen 3.322 N/A VAL 268.A N TYR 264.A O no hydrogen 2.899 N/A GLY 269.A N GLU 265.A O no hydrogen 2.899 N/A THR 271.A OG1 ASP 234.A OD1 no hydrogen 3.328 N/A TYR 274.A N THR 271.A O no hydrogen 3.264 N/A GLY 280.A N SER 277.A O no hydrogen 3.188 N/A THR 281.A OG1 PHE 273.A O no hydrogen 3.240 N/A SER 283.A N VAL 279.A O no hydrogen 3.489 N/A LYS 284.A N GLY 280.A O no hydrogen 3.124 N/A LYS 284.A NZ TYR 274.A O no hydrogen 2.769 N/A ILE 285.A N THR 281.A O no hydrogen 2.929 N/A MET 286.A N TYR 282.A O no hydrogen 3.166 N/A ASN 287.A N SER 283.A O no hydrogen 3.048 N/A ASN 287.A ND2 ASN 290.A OD1 no hydrogen 3.580 N/A HIS 288.A N ILE 285.A O no hydrogen 3.166 N/A LYS 289.A NZ ASN 290.A OD1 no hydrogen 3.497 N/A ASN 290.A N ASN 287.A O no hydrogen 3.069 N/A SER 291.A N ASN 287.A O no hydrogen 2.823 N/A SER 291.A OG LYS 284.A O no hydrogen 2.509 N/A SER 291.A OG ASN 287.A O no hydrogen 2.841 N/A ASP 299.A N ASP 297.A O no hydrogen 3.071 N/A SER 301.A N GLU 167.A OE1 no hydrogen 2.685 N/A SER 301.A OG GLU 167.A OE1 no hydrogen 2.733 N/A SER 301.A OG GLU 167.A OE2 no hydrogen 2.863 N/A ALA 304.A N SER 301.A OG no hydrogen 3.339 N/A LYS 305.A N SER 301.A O no hydrogen 3.218 N/A ASN 306.A N LYS 302.A O no hydrogen 2.940 N/A LEU 307.A N GLU 303.A O no hydrogen 2.956 N/A ILE 308.A N ALA 304.A O no hydrogen 3.079 N/A CYS 309.A N LYS 305.A O no hydrogen 2.937 N/A CYS 309.A SG LYS 305.A O no hydrogen 3.327 N/A ALA 310.A N ASN 306.A O no hydrogen 2.958 N/A PHE 311.A N LEU 307.A O no hydrogen 2.955 N/A LEU 312.A N ILE 308.A O no hydrogen 2.761 N/A ARG 315.A NH2 TYR 249.A O no hydrogen 2.735 N/A VAL 317.A N ASP 314.A O no hydrogen 3.063 N/A ARG 318.A N ASP 314.A O no hydrogen 2.908 N/A ARG 318.A NE GLU 253.A O no hydrogen 3.072 N/A ARG 318.A NH1 GLU 239.A OE2 no hydrogen 3.480 N/A ARG 318.A NH1 THR 313.A O no hydrogen 2.922 N/A ARG 318.A NH2 GLU 239.A OE1 no hydrogen 2.519 N/A ARG 318.A NH2 GLU 239.A OE2 no hydrogen 3.166 N/A LEU 319.A N ALA 310.A O no hydrogen 2.983 N/A GLY 320.A N GLU 326.A OE1 no hydrogen 2.903 N/A ARG 321.A N ARG 318.A O no hydrogen 3.327 N/A ARG 321.A NH1 ARG 318.A O no hydrogen 2.892 N/A ASN 322.A N GLU 326.A OE1 no hydrogen 3.003 N/A ILE 327.A N VAL 324.A O no hydrogen 3.067 N/A LYS 328.A N VAL 324.A O no hydrogen 3.285 N/A LYS 328.A NZ GLU 325.A OE2 no hydrogen 3.327 N/A ARG 329.A N GLU 325.A O no hydrogen 3.102 N/A HIS 330.A N ILE 327.A O no hydrogen 3.273 N/A PHE 332.A N HIS 330.A ND1 no hydrogen 3.080 N/A PHE 333.A N HIS 330.A O no hydrogen 3.332 N/A LYS 334.A N LEU 331.A O no hydrogen 3.148 N/A ASN 335.A ND2 PHE 333.A O no hydrogen 2.785 N/A ASN 335.A ND2 TRP 338.A O no hydrogen 3.463 N/A GLN 337.A N ASN 335.A OD1 no hydrogen 2.848 N/A TRP 338.A N ASN 335.A OD1 no hydrogen 2.895 N/A THR 342.A N ALA 339.A O no hydrogen 2.930 N/A THR 342.A OG1 THR 342.A O no hydrogen 2.664 N/A ARG 344.A NH2 ASP 202.A OD2 no hydrogen 2.712 N/A ASP 345.A N THR 342.A O no hydrogen 3.189 N/A THR 346.A N LEU 343.A O no hydrogen 3.223 N/A THR 346.A OG1 LEU 343.A O no hydrogen 2.625 N/A SER 355.A N ASP 359.A OD1 no hydrogen 3.095 N/A ASP 359.A N SER 356.A O no hydrogen 3.330 N/A SER 361.A OG ASP 359.A OD1 no hydrogen 3.409 N/A SER 361.A OG ASP 359.A OD2 no hydrogen 3.455 N/A ASN 362.A ND2 PRO 152.A O no hydrogen 3.144 N/A PHE 363.A N THR 360.A O no hydrogen 3.374 N/A LYS 370.A N GLU 368.A O no hydrogen 2.956 N/A PHE 376.A N THR 375.A OG1 no hydrogen 2.552 N/A GLN 386.A N ASP 35.A OD1 no hydrogen 2.857 N/A GLN 386.A NE2 ASP 141.A O no hydrogen 2.740 N/A LEU 387.A N GLY 384.A O no hydrogen 3.390 N/A PHE 389.A N GLN 386.A O no hydrogen 3.425 N/A VAL 390.A N LEU 387.A O no hydrogen 3.172 N/A GLY 391.A N ASP 27.A OD1 no hydrogen 3.232 N/A PHE 392.A N PHE 389.A O no hydrogen 3.478 N/A THR 393.A N ASP 27.A OD1 no hydrogen 3.292 N/A THR 393.A OG1 ASP 27.A OD1 no hydrogen 2.728 N/A THR 393.A OG1 ASP 27.A OD2 no hydrogen 2.705 N/A TYR 394.A N ALA 137.A O no hydrogen 2.529 N/A TYR 395.A N ASP 23.A OD2 no hydrogen 3.100 N/A SER 396.A N ASP 23.A OD1 no hydrogen 2.825 N/A SER 396.A OG ASP 23.A OD1 no hydrogen 3.350 N/A ASN 397.A N ASP 23.A OD2 no hydrogen 2.663 N/A ASN 397.A ND2 LEU 13.A O no hydrogen 3.039 N/A ASN 397.A ND2 ARG 14.A O no hydrogen 3.253 N/A ARG 398.A NE PHE 135.A O no hydrogen 3.180 N/A ARG 399.A N TYR 394.A OH no hydrogen 3.208 N/A ARG 399.A NH1 PHE 125.A O no hydrogen 3.191 N/A ARG 399.A NH2 PHE 125.A O no hydrogen 2.993 N/A