Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2ybk_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): LEU 2.A N THR 1.A OG1 no hydrogen 2.517 N/A ASN 3.A ND2 ARG 7.A O no hydrogen 3.096 N/A ASN 3.A ND2 GLY 32.A O no hydrogen 3.136 N/A ALA 6.A N ASN 3.A O no hydrogen 2.763 N/A ARG 7.A N ASN 3.A OD1 no hydrogen 3.178 N/A ARG 7.A NH1 PHE 251.A O no hydrogen 3.223 N/A ILE 8.A N ASP 252.A OD2 no hydrogen 2.873 N/A PHE 11.A N LYS 40.A O no hydrogen 2.836 N/A THR 14.A N GLU 17.A OE1 no hydrogen 2.776 N/A THR 14.A OG1 GLU 17.A OE1 no hydrogen 2.996 N/A GLU 17.A N THR 14.A OG1 no hydrogen 3.408 N/A PHE 18.A N THR 14.A O no hydrogen 2.903 N/A ARG 19.A N MET 15.A O no hydrogen 3.408 N/A ARG 19.A NH1 GLU 16.A OE1 no hydrogen 3.465 N/A SER 22.A OG ASN 20.A OD1 no hydrogen 3.205 N/A ARG 23.A N ASN 20.A OD1 no hydrogen 3.058 N/A ARG 23.A NH1 GLU 346.A OE1 no hydrogen 2.596 N/A TYR 24.A N ASN 20.A O no hydrogen 3.022 N/A ILE 25.A N PHE 21.A O no hydrogen 3.060 N/A ALA 26.A N SER 22.A O no hydrogen 3.172 N/A TYR 27.A N ARG 23.A O no hydrogen 2.967 N/A ILE 28.A N TYR 24.A O no hydrogen 2.912 N/A GLU 29.A N ILE 25.A O no hydrogen 3.140 N/A SER 30.A N ALA 26.A O no hydrogen 3.001 N/A SER 30.A OG TYR 27.A O no hydrogen 2.561 N/A GLN 31.A N ILE 28.A O no hydrogen 3.180 N/A GLY 32.A N GLU 29.A O no hydrogen 2.893 N/A ALA 33.A N ILE 28.A O no hydrogen 2.963 N/A HIS 34.A NE2 THR 338.A O no hydrogen 2.811 N/A ARG 35.A N GLY 32.A O no hydrogen 3.106 N/A ARG 35.A NE GLU 208.A OE2 no hydrogen 2.999 N/A ARG 35.A NH1 LEU 2.A O no hydrogen 3.090 N/A ARG 35.A NH2 GLU 208.A OE1 no hydrogen 3.330 N/A ARG 35.A NH2 GLU 208.A OE2 no hydrogen 3.168 N/A ALA 36.A N ALA 33.A O no hydrogen 3.085 N/A GLY 37.A N HIS 34.A O no hydrogen 2.667 N/A ALA 39.A N ILE 263.A O no hydrogen 2.938 N/A LYS 40.A N MET 9.A O no hydrogen 2.953 N/A LYS 40.A NZ THR 255.A O no hydrogen 2.784 N/A LYS 40.A NZ GLU 260.A OE1 no hydrogen 2.921 N/A VAL 41.A N PHE 261.A O no hydrogen 2.872 N/A VAL 42.A N PHE 11.A O no hydrogen 2.767 N/A TRP 47.A N PRO 44.A O no hydrogen 2.808 N/A ARG 50.A NE SER 52.A O no hydrogen 2.955 N/A ARG 50.A NH1 LEU 134.A O no hydrogen 3.167 N/A ARG 50.A NH2 ASP 55.A OD1 no hydrogen 3.300 N/A ARG 50.A NH2 ASP 55.A OD2 no hydrogen 3.097 N/A SER 52.A OG ASP 54.A OD2 no hydrogen 3.023 N/A TYR 53.A OH HIS 195.A ND1 no hydrogen 2.793 N/A ASP 54.A N SER 52.A OG no hydrogen 3.086 N/A LEU 59.A N ILE 56.A O no hydrogen 2.659 N/A ILE 61.A N MET 86.A O no hydrogen 2.660 N/A ILE 65.A N TYR 126.A O no hydrogen 3.018 N/A GLN 66.A N ILE 81.A O no hydrogen 2.673 N/A GLN 66.A NE2 PRO 123.A O no hydrogen 3.352 N/A GLN 67.A N PRO 124.A O no hydrogen 2.951 N/A GLN 67.A NE2 SER 178.A O no hydrogen 2.993 N/A LEU 68.A N TYR 79.A O no hydrogen 2.902 N/A THR 70.A N THR 77.A O no hydrogen 2.976 N/A GLN 72.A N LEU 75.A O no hydrogen 3.179 N/A LEU 75.A N GLN 72.A O no hydrogen 3.153 N/A PHE 76.A N LEU 238.A O no hydrogen 2.923 N/A THR 77.A N THR 70.A O no hydrogen 2.821 N/A GLN 78.A N MET 236.A O no hydrogen 2.674 N/A TYR 79.A N LEU 68.A O no hydrogen 2.741 N/A ILE 81.A N GLN 66.A O no hydrogen 2.986 N/A LYS 83.A N PRO 64.A O no hydrogen 2.884 N/A MET 86.A N ILE 61.A O no hydrogen 3.184 N/A THR 87.A N GLU 90.A OE1 no hydrogen 2.922 N/A THR 87.A OG1 ASP 57.A O no hydrogen 3.558 N/A VAL 88.A N LEU 59.A O no hydrogen 2.953 N/A ARG 89.A N ASP 57.A O no hydrogen 3.111 N/A GLU 90.A N THR 87.A OG1 no hydrogen 3.109 N/A PHE 91.A N THR 87.A O no hydrogen 2.845 N/A ARG 92.A N VAL 88.A O no hydrogen 3.084 N/A LYS 93.A N ARG 89.A O no hydrogen 2.921 N/A ILE 94.A N GLU 90.A O no hydrogen 3.073 N/A ALA 95.A N PHE 91.A O no hydrogen 2.757 N/A ASN 96.A N ARG 92.A O no hydrogen 2.821 N/A SER 97.A N LYS 93.A O no hydrogen 3.165 N/A SER 97.A N ILE 94.A O no hydrogen 3.218 N/A SER 97.A OG ILE 94.A O no hydrogen 2.686 N/A LYS 99.A NZ TYR 100.A OH no hydrogen 3.263 N/A LYS 99.A NZ ASN 122.A OD1 no hydrogen 2.809 N/A TYR 100.A N SER 97.A O no hydrogen 3.089 N/A CYS 101.A N SER 97.A O no hydrogen 2.935 N/A CYS 101.A SG SER 97.A O no hydrogen 3.460 N/A THR 102.A OG1 HIS 275.A O no hydrogen 2.786 N/A SER 106.A N GLU 110.A OE1 no hydrogen 2.930 N/A SER 106.A OG GLU 110.A OE1 no hydrogen 2.633 N/A GLU 107.A N SER 106.A OG no hydrogen 2.666 N/A GLU 110.A N GLU 107.A O no hydrogen 3.104 N/A GLU 112.A N PHE 108.A O no hydrogen 2.882 N/A ARG 113.A N GLU 109.A O no hydrogen 3.168 N/A LYS 114.A N GLU 110.A O no hydrogen 3.005 N/A LYS 114.A NZ ARG 104.A O no hydrogen 2.738 N/A TYR 115.A N LEU 111.A O no hydrogen 2.864 N/A TRP 116.A N GLU 112.A O no hydrogen 2.985 N/A TRP 116.A NE1 TYR 203.A OH no hydrogen 2.907 N/A LYS 117.A N LYS 114.A O no hydrogen 3.311 N/A ASN 118.A N LYS 114.A O no hydrogen 2.934 N/A ASN 118.A N TYR 115.A O no hydrogen 3.267 N/A ASN 118.A ND2 LYS 114.A O no hydrogen 2.974 N/A PHE 121.A N ASN 118.A O no hydrogen 3.015 N/A ASN 122.A ND2 LYS 99.A O no hydrogen 2.898 N/A TYR 126.A N ILE 65.A O no hydrogen 2.625 N/A GLY 127.A N PHE 172.A O no hydrogen 2.771 N/A VAL 130.A N LEU 170.A O no hydrogen 2.987 N/A ASN 131.A ND2 GLU 163.A OE1 no hydrogen 2.783 N/A THR 133.A OG1 GLU 281.A OE1 no hydrogen 3.335 N/A THR 133.A OG1 GLU 281.A OE2 no hydrogen 2.760 N/A LEU 134.A N GLU 281.A OE1 no hydrogen 2.863 N/A TYR 135.A N THR 133.A OG1 no hydrogen 2.900 N/A TYR 135.A OH TRP 142.A O no hydrogen 2.737 N/A GLU 136.A N PRO 49.A O no hydrogen 2.685 N/A HIS 138.A N GLU 136.A OE2 no hydrogen 2.667 N/A VAL 139.A N GLU 136.A O no hydrogen 2.947 N/A TRP 142.A NE1 PHE 18.A O no hydrogen 2.763 N/A ASN 143.A ND2 VAL 139.A O no hydrogen 3.189 N/A GLY 145.A N ASN 143.A OD1 no hydrogen 2.702 N/A ARG 146.A N ASN 143.A O no hydrogen 2.783 N/A ARG 146.A NH2 LYS 137.A O no hydrogen 3.119 N/A ARG 146.A NH2 ASP 140.A OD1 no hydrogen 3.158 N/A LEU 151.A N THR 149.A OG1 no hydrogen 3.394 N/A ASP 152.A N THR 149.A O no hydrogen 3.010 N/A LEU 153.A N ILE 150.A O no hydrogen 2.910 N/A VAL 154.A N LEU 151.A O no hydrogen 3.236 N/A LYS 156.A N ASP 152.A O no hydrogen 3.025 N/A LYS 156.A NZ ASP 152.A O no hydrogen 3.367 N/A LYS 156.A NZ GLU 155.A OE1 no hydrogen 3.380 N/A GLU 157.A N LEU 153.A O no hydrogen 3.028 N/A SER 158.A N VAL 154.A O no hydrogen 2.999 N/A SER 158.A OG VAL 154.A O no hydrogen 2.567 N/A GLY 159.A N GLU 155.A O no hydrogen 2.588 N/A ILE 160.A N SER 158.A OG no hydrogen 3.271 N/A ILE 162.A N ASN 166.A OD1 no hydrogen 2.749 N/A GLY 164.A N THR 167.A OG1 no hydrogen 3.091 N/A VAL 165.A N ILE 162.A O no hydrogen 2.802 N/A ASN 166.A N ILE 162.A O no hydrogen 3.221 N/A ASN 166.A ND2 ILE 160.A O no hydrogen 3.265 N/A TYR 169.A N SER 282.A O no hydrogen 2.874 N/A LEU 170.A N VAL 130.A O no hydrogen 2.692 N/A TYR 171.A N ALA 280.A O no hydrogen 2.694 N/A TYR 171.A OH ASP 129.A OD1 no hydrogen 3.136 N/A PHE 172.A N GLY 127.A O no hydrogen 2.696 N/A GLY 173.A N ASN 278.A O no hydrogen 2.855 N/A GLY 173.A N ASN 278.A OD1 no hydrogen 3.294 N/A MET 174.A N THR 177.A OG1 no hydrogen 3.417 N/A LYS 176.A NZ PHE 121.A O no hydrogen 2.797 N/A THR 177.A N MET 174.A O no hydrogen 3.111 N/A THR 177.A OG1 MET 174.A O no hydrogen 2.724 N/A SER 178.A N GLN 67.A OE1 no hydrogen 2.713 N/A SER 178.A OG GLN 78.A OE1 no hydrogen 3.451 N/A SER 178.A OG TYR 115.A OH no hydrogen 3.006 N/A PHE 179.A N GLY 272.A O no hydrogen 3.098 N/A TRP 181.A N THR 237.A O no hydrogen 3.011 N/A TRP 181.A NE1 ILE 239.A O no hydrogen 3.022 N/A HIS 182.A N HIS 270.A O no hydrogen 3.205 N/A HIS 182.A ND1 ALA 180.A O no hydrogen 2.726 N/A THR 183.A OG1 ASP 187.A OD1 no hydrogen 2.954 N/A ASP 187.A N GLU 184.A O no hydrogen 2.796 N/A LEU 188.A N ASP 185.A O no hydrogen 3.010 N/A TYR 189.A N PHE 285.A O no hydrogen 3.037 N/A TYR 189.A OH GLU 29.A OE2 no hydrogen 2.498 N/A TYR 189.A OH THR 287.A OG1 no hydrogen 2.701 N/A SER 190.A N THR 264.A O no hydrogen 3.016 N/A SER 190.A OG ASN 192.A OD1 no hydrogen 2.943 N/A ILE 191.A N THR 283.A O no hydrogen 3.136 N/A ASN 192.A N MET 262.A O no hydrogen 2.810 N/A TYR 193.A N GLU 281.A O no hydrogen 2.830 N/A LEU 194.A N GLU 260.A O no hydrogen 3.432 N/A HIS 195.A ND1 TYR 53.A OH no hydrogen 2.793 N/A HIS 195.A NE2 GLU 281.A OE1 no hydrogen 2.715 N/A GLU 198.A N PHE 277.A O no hydrogen 2.954 N/A LYS 200.A N GLN 256.A O no hydrogen 2.886 N/A LYS 200.A NZ ASN 274.A OD1 no hydrogen 2.780 N/A SER 201.A N PHE 273.A O no hydrogen 2.920 N/A SER 201.A OG THR 255.A OG1 no hydrogen 2.814 N/A SER 201.A OG HIS 275.A NE2 no hydrogen 2.763 N/A TRP 202.A N VAL 254.A O no hydrogen 2.667 N/A TRP 202.A NE1 GLN 256.A OE1 no hydrogen 3.090 N/A TYR 203.A N ALA 271.A O no hydrogen 2.604 N/A TYR 203.A OH GLU 112.A OE2 no hydrogen 2.367 N/A SER 204.A N ASP 252.A O no hydrogen 2.901 N/A SER 204.A OG ALA 36.A O no hydrogen 3.025 N/A VAL 205.A N TYR 269.A O no hydrogen 3.003 N/A HIS 209.A N PRO 206.A O no hydrogen 2.579 N/A GLY 210.A N PRO 207.A O no hydrogen 3.180 N/A LYS 211.A NZ GLU 214.A OE1 no hydrogen 3.147 N/A LEU 213.A N HIS 209.A O no hydrogen 3.336 N/A GLU 214.A N GLY 210.A O no hydrogen 3.046 N/A ARG 215.A N LYS 211.A O no hydrogen 2.881 N/A LEU 216.A N ARG 212.A O no hydrogen 3.031 N/A ALA 217.A N LEU 213.A O no hydrogen 2.899 N/A LYS 218.A N GLU 214.A O no hydrogen 2.839 N/A GLY 219.A N ARG 215.A O no hydrogen 3.146 N/A PHE 220.A N LEU 216.A O no hydrogen 3.046 N/A PHE 221.A N ALA 217.A O no hydrogen 2.839 N/A ALA 225.A N PHE 221.A O no hydrogen 3.093 N/A GLN 226.A N PRO 222.A O no hydrogen 2.974 N/A SER 227.A N SER 224.A O no hydrogen 3.202 N/A SER 227.A OG GLY 223.A O no hydrogen 3.356 N/A CYS 228.A N SER 224.A O no hydrogen 3.031 N/A CYS 228.A SG HIS 234.A NE2 no hydrogen 3.893 N/A ARG 233.A N ALA 230.A O no hydrogen 2.954 N/A ARG 233.A NE VAL 298.A O no hydrogen 2.943 N/A ARG 233.A NH1 GLU 184.A O no hydrogen 2.936 N/A ARG 233.A NH2 ASP 187.A OD1 no hydrogen 2.957 N/A ARG 233.A NH2 VAL 298.A O no hydrogen 3.169 N/A HIS 234.A N PHE 231.A O no hydrogen 3.135 N/A LYS 235.A N LEU 232.A O no hydrogen 3.080 N/A LEU 238.A N PHE 76.A O no hydrogen 2.841 N/A SER 240.A N GLY 74.A O no hydrogen 2.908 N/A LEU 242.A N SER 240.A OG no hydrogen 3.264 N/A MET 243.A N SER 240.A OG no hydrogen 3.182 N/A LEU 244.A N SER 240.A O no hydrogen 3.164 N/A LYS 245.A N PRO 241.A O no hydrogen 2.894 N/A LYS 246.A N LEU 242.A O no hydrogen 2.766 N/A TYR 247.A N MET 243.A O no hydrogen 3.192 N/A TYR 247.A N LEU 244.A O no hydrogen 3.089 N/A GLY 248.A N LYS 245.A O no hydrogen 3.234 N/A ILE 249.A N LEU 244.A O no hydrogen 2.955 N/A ASP 252.A N SER 204.A O no hydrogen 2.814 N/A LYS 253.A N ASP 252.A OD1 no hydrogen 2.779 N/A LYS 253.A NZ GLU 112.A OE1 no hydrogen 3.414 N/A LYS 253.A NZ GLU 112.A OE2 no hydrogen 3.112 N/A VAL 254.A N TRP 202.A O no hydrogen 2.942 N/A THR 255.A OG1 SER 201.A OG no hydrogen 2.814 N/A GLN 256.A N LYS 200.A O no hydrogen 2.677 N/A GLN 256.A NE2 ASN 192.A O no hydrogen 3.232 N/A GLN 256.A NE2 GLU 260.A O no hydrogen 3.059 N/A GLU 257.A N GLU 260.A OE1 no hydrogen 2.748 N/A GLY 259.A N LEU 194.A O no hydrogen 2.686 N/A GLU 260.A N GLU 257.A O no hydrogen 2.907 N/A PHE 261.A N VAL 41.A O no hydrogen 2.977 N/A MET 262.A N ASN 192.A O no hydrogen 2.758 N/A ILE 263.A N ALA 39.A O no hydrogen 2.852 N/A THR 264.A N SER 190.A O no hydrogen 2.911 N/A PHE 265.A N GLY 37.A O no hydrogen 2.827 N/A GLY 268.A N PHE 265.A O no hydrogen 2.970 N/A TYR 269.A OH GLU 214.A OE2 no hydrogen 2.484 N/A HIS 270.A N HIS 182.A O no hydrogen 3.030 N/A HIS 270.A ND1 GLY 268.A O no hydrogen 2.815 N/A ALA 271.A N TYR 203.A O no hydrogen 3.109 N/A GLY 272.A N PHE 179.A O no hydrogen 3.148 N/A PHE 273.A N SER 201.A O no hydrogen 3.068 N/A ASN 274.A N THR 177.A O no hydrogen 3.037 N/A ASN 274.A ND2 TYR 126.A OH no hydrogen 3.226 N/A ASN 274.A ND2 THR 177.A OG1 no hydrogen 2.690 N/A HIS 275.A N PRO 199.A O no hydrogen 2.832 N/A HIS 275.A NE2 SER 201.A OG no hydrogen 2.763 N/A ASN 278.A N GLY 173.A O no hydrogen 3.021 N/A ASN 278.A ND2 GLU 198.A O no hydrogen 2.987 N/A ASN 278.A ND2 PRO 199.A O no hydrogen 3.542 N/A ASN 278.A ND2 ASN 274.A OD1 no hydrogen 3.280 N/A CYS 279.A N PHE 196.A O no hydrogen 3.101 N/A ALA 280.A N TYR 171.A O no hydrogen 2.856 N/A GLU 281.A N TYR 193.A O no hydrogen 2.748 N/A SER 282.A N TYR 169.A O no hydrogen 2.973 N/A THR 283.A N ILE 191.A O no hydrogen 3.356 N/A THR 283.A OG1 GLY 164.A O no hydrogen 3.511 N/A THR 283.A OG1 VAL 165.A O no hydrogen 2.981 N/A THR 283.A OG1 THR 167.A O no hydrogen 2.979 N/A ASN 284.A N VAL 165.A O no hydrogen 2.937 N/A ASN 284.A ND2 GLU 184.A OE1 no hydrogen 2.940 N/A ASN 284.A ND2 TYR 189.A O no hydrogen 2.974 N/A PHE 285.A N TYR 189.A O no hydrogen 3.296 N/A THR 287.A OG1 TYR 189.A OH no hydrogen 2.701 N/A THR 287.A OG1 THR 341.A OG1 no hydrogen 3.159 N/A ARG 288.A N GLU 343.A OE2 no hydrogen 3.260 N/A ARG 289.A N THR 341.A OG1 no hydrogen 3.072 N/A ARG 289.A NE GLU 29.A OE1 no hydrogen 2.818 N/A ARG 289.A NH2 GLU 29.A OE2 no hydrogen 3.018 N/A TRP 290.A N THR 287.A O no hydrogen 2.938 N/A TRP 290.A NE1 MET 186.A O no hydrogen 2.754 N/A TYR 293.A OH HIS 337.A ND1 no hydrogen 2.797 N/A GLY 294.A N TRP 290.A O no hydrogen 2.859 N/A LYS 295.A N ILE 291.A O no hydrogen 2.966 N/A LYS 295.A NZ GLU 292.A OE1 no hydrogen 3.352 N/A LYS 295.A NZ GLN 319.A OE1 no hydrogen 2.653 N/A LYS 295.A NZ ASP 331.A OD2 no hydrogen 2.795 N/A GLN 296.A N GLU 292.A O no hydrogen 3.274 N/A GLN 296.A N TYR 293.A O no hydrogen 3.146 N/A GLN 296.A NE2 GLU 292.A OE2 no hydrogen 2.895 N/A GLN 296.A NE2 THR 333.A O no hydrogen 3.026 N/A ALA 297.A N GLY 294.A O no hydrogen 3.308 N/A CYS 300.A SG HIS 234.A NE2 no hydrogen 3.976 N/A CYS 302.A SG HIS 234.A NE2 no hydrogen 3.606 N/A VAL 315.A N MET 311.A O no hydrogen 2.958 N/A ARG 316.A N ASP 312.A O no hydrogen 2.798 N/A ARG 316.A NH2 ASP 312.A OD1 no hydrogen 3.224 N/A LYS 317.A N VAL 313.A O no hydrogen 2.878 N/A PHE 318.A N PHE 314.A O no hydrogen 2.792 N/A GLN 319.A N VAL 315.A O no hydrogen 2.829 N/A GLN 319.A NE2 GLU 292.A OE1 no hydrogen 3.210 N/A GLU 321.A N GLU 321.A OE1 no hydrogen 2.559 N/A ARG 322.A N GLN 319.A O no hydrogen 2.830 N/A ARG 322.A NE ASP 331.A OD1 no hydrogen 3.274 N/A ARG 322.A NE ASP 331.A OD2 no hydrogen 3.087 N/A ARG 322.A NH2 ASP 331.A OD1 no hydrogen 2.721 N/A TYR 323.A N PRO 320.A O no hydrogen 3.452 N/A TYR 323.A OH ASP 312.A OD1 no hydrogen 2.529 N/A TRP 326.A N ARG 322.A O no hydrogen 2.639 N/A LYS 327.A N TYR 323.A O no hydrogen 2.753 N/A LYS 327.A NZ TYR 323.A OH no hydrogen 3.020 N/A ALA 328.A N LYS 324.A O no hydrogen 2.939 N/A ALA 328.A N LEU 325.A O no hydrogen 3.146 N/A GLY 329.A N TRP 326.A O no hydrogen 2.700 N/A LYS 330.A N LEU 325.A O no hydrogen 2.812 N/A THR 333.A N ASP 331.A OD1 no hydrogen 3.260 N/A THR 333.A OG1 ASP 331.A OD1 no hydrogen 2.786 N/A HIS 337.A ND1 TYR 293.A OH no hydrogen 2.797 N/A THR 338.A N ASP 336.A OD1 no hydrogen 2.988 N/A THR 338.A OG1 ASP 336.A OD1 no hydrogen 2.598 N/A THR 338.A OG1 ASP 336.A OD2 no hydrogen 3.016 N/A LEU 339.A N ASP 336.A O no hydrogen 3.231 N/A THR 341.A N GLU 29.A OE1 no hydrogen 2.819 N/A THR 341.A OG1 THR 287.A OG1 no hydrogen 3.159 N/A THR 341.A OG1 GLU 343.A OE1 no hydrogen 2.619 N/A GLU 343.A N GLU 343.A OE1 no hydrogen 2.771 N/A ALA 344.A N THR 341.A O no hydrogen 2.973 N/A ALA 345.A N PRO 342.A O no hydrogen 2.943 N/A PHE 347.A N ALA 344.A O no hydrogen 3.100 N/A LEU 348.A N ALA 345.A O no hydrogen 3.142 N/A