Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 3uq9_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): GLY 5.A N PHE 79.A O no hydrogen 2.830 N/A TYR 6.A N SER 3.A O no hydrogen 3.227 N/A VAL 7.A N VAL 80.A O no hydrogen 3.201 N/A PHE 8.A N VAL 161.A O no hydrogen 2.831 N/A GLY 9.A N SER 82.A O no hydrogen 2.948 N/A GLY 11.A N VAL 84.A O no hydrogen 3.078 N/A ASN 12.A ND2 PHE 167.A O no hydrogen 3.234 N/A LEU 15.A N GLY 119.A O no hydrogen 3.104 N/A ASP 16.A N ILE 59.A O no hydrogen 2.808 N/A ILE 17.A N VAL 121.A O no hydrogen 2.808 N/A ILE 18.A N ASN 57.A O no hydrogen 2.907 N/A VAL 19.A N VAL 123.A O no hydrogen 2.920 N/A ALA 21.A N VAL 125.A O no hydrogen 2.951 N/A MET 25.A N ASP 22.A O no hydrogen 3.303 N/A TYR 26.A N ASP 23.A O no hydrogen 3.221 N/A TYR 26.A OH LEU 124.A O no hydrogen 2.905 N/A TYR 26.A OH SER 126.A OG no hydrogen 3.219 N/A LYS 28.A N PHE 24.A O no hydrogen 2.762 N/A LYS 28.A NZ GLU 49.A OE1 no hydrogen 3.073 N/A LYS 28.A NZ GLU 49.A OE2 no hydrogen 3.029 N/A TYR 29.A N MET 25.A O no hydrogen 3.061 N/A TYR 29.A OH THR 45.A OG1 no hydrogen 2.663 N/A TYR 29.A OH GLU 49.A OE1 no hydrogen 2.620 N/A ASN 30.A N ARG 27.A O no hydrogen 3.288 N/A LEU 31.A N TYR 26.A O no hydrogen 2.745 N/A LYS 33.A NZ LYS 128.A O no hydrogen 3.079 N/A ASP 34.A N ARG 130.A O no hydrogen 2.614 N/A ASN 35.A N LYS 32.A O no hydrogen 3.423 N/A VAL 37.A N MET 132.A O no hydrogen 3.102 N/A ALA 39.A N THR 134.A O no hydrogen 2.737 N/A GLU 40.A N HIS 43.A ND1 no hydrogen 2.907 N/A HIS 43.A N GLU 40.A O no hydrogen 2.966 N/A MET 44.A N GLU 41.A O no hydrogen 3.009 N/A THR 45.A OG1 TYR 29.A OH no hydrogen 2.663 N/A ILE 46.A N HIS 43.A O no hydrogen 2.894 N/A TYR 47.A OH VAL 133.A O no hydrogen 3.179 N/A GLU 49.A N THR 45.A O no hydrogen 3.000 N/A ILE 50.A N ILE 46.A O no hydrogen 2.888 N/A GLN 51.A NE2 TYR 58.A OH no hydrogen 3.006 N/A LYS 52.A N GLU 49.A O no hydrogen 3.308 N/A LYS 53.A N ILE 50.A O no hydrogen 3.000 N/A LYS 53.A NZ ASP 22.A OD1 no hydrogen 3.424 N/A LYS 53.A NZ ASP 22.A OD2 no hydrogen 2.884 N/A ASN 57.A N ILE 18.A O no hydrogen 3.105 N/A TYR 58.A OH GLN 51.A OE1 no hydrogen 3.285 N/A ILE 59.A N ASP 16.A O no hydrogen 3.017 N/A ALA 60.A N TYR 95.A OH no hydrogen 3.001 N/A GLY 61.A N LEU 14.A O no hydrogen 2.659 N/A THR 64.A OG1 MET 10.A O no hydrogen 3.538 N/A ASN 66.A N GLY 62.A O no hydrogen 2.777 N/A ASN 66.A ND2 ASP 300.A OD2 no hydrogen 3.076 N/A THR 67.A N ALA 63.A O no hydrogen 3.134 N/A THR 67.A OG1 ALA 63.A O no hydrogen 3.432 N/A THR 67.A OG1 ASP 300.A O no hydrogen 2.834 N/A VAL 68.A N THR 64.A O no hydrogen 2.943 N/A LYS 69.A N LEU 65.A O no hydrogen 2.988 N/A LYS 69.A NZ ASP 99.A OD2 no hydrogen 2.710 N/A MET 70.A N ASN 66.A O no hydrogen 3.147 N/A ILE 71.A N THR 67.A O no hydrogen 2.912 N/A GLN 72.A N VAL 68.A O no hydrogen 3.029 N/A GLN 72.A NE2 LYS 77.A O no hydrogen 2.798 N/A TRP 73.A N LYS 69.A O no hydrogen 2.902 N/A TRP 73.A NE1 GLY 339.A O no hydrogen 3.067 N/A ILE 74.A N MET 70.A O no hydrogen 2.766 N/A ILE 75.A N ILE 71.A O no hydrogen 2.973 N/A GLN 76.A N GLN 72.A O no hydrogen 3.128 N/A LYS 77.A NZ LEU 2.A O no hydrogen 3.151 N/A PHE 79.A N ASP 104.A O no hydrogen 3.015 N/A VAL 80.A N LYS 77.A O no hydrogen 3.428 N/A CYS 81.A N GLN 72.A OE1 no hydrogen 2.931 N/A CYS 81.A SG VAL 68.A O no hydrogen 3.498 N/A SER 82.A N VAL 7.A O no hydrogen 2.848 N/A SER 82.A OG VAL 7.A O no hydrogen 3.491 N/A TYR 83.A N VAL 106.A O no hydrogen 2.868 N/A VAL 84.A N GLY 9.A O no hydrogen 3.009 N/A CYS 86.A SG ILE 87.A O no hydrogen 3.748 N/A CYS 86.A SG GLN 110.A O no hydrogen 3.432 N/A CYS 86.A SG ALA 138.A O no hydrogen 3.102 N/A ILE 87.A N GLN 110.A O no hydrogen 2.984 N/A GLY 88.A N THR 118.A OG1 no hydrogen 2.857 N/A GLN 92.A N GLN 92.A OE1 no hydrogen 2.826 N/A GLY 93.A N ASP 90.A OD1 no hydrogen 2.915 N/A LYS 94.A N ASP 90.A O no hydrogen 3.178 N/A TYR 95.A N ILE 91.A O no hydrogen 2.852 N/A ILE 96.A N GLN 92.A O no hydrogen 3.054 N/A LYS 97.A N GLY 93.A O no hydrogen 2.952 N/A ASN 98.A N LYS 94.A O no hydrogen 2.817 N/A ASP 99.A N TYR 95.A O no hydrogen 2.869 N/A CYS 100.A N ILE 96.A O no hydrogen 3.086 N/A CYS 100.A SG ILE 96.A O no hydrogen 3.427 N/A SER 101.A N LYS 97.A O no hydrogen 3.218 N/A SER 101.A OG LYS 97.A O no hydrogen 3.124 N/A ALA 102.A N ASN 98.A O no hydrogen 3.092 N/A LEU 103.A N CYS 100.A O no hydrogen 2.923 N/A ASP 104.A N SER 101.A O no hydrogen 3.007 N/A LEU 105.A N CYS 100.A O no hydrogen 3.121 N/A VAL 106.A N CYS 81.A O no hydrogen 3.152 N/A GLU 108.A N TYR 83.A O no hydrogen 3.076 N/A GLN 110.A N GLY 85.A O no hydrogen 2.733 N/A GLN 110.A NE2 ASP 141.A O no hydrogen 2.834 N/A ALA 112.A N ILE 87.A O no hydrogen 2.852 N/A LEU 116.A N GLU 113.A O no hydrogen 3.164 N/A THR 118.A N ASP 90.A OD2 no hydrogen 2.958 N/A THR 118.A OG1 ASP 90.A OD1 no hydrogen 2.528 N/A THR 118.A OG1 ASP 90.A OD2 no hydrogen 3.357 N/A LYS 120.A N TYR 135.A O no hydrogen 2.838 N/A VAL 121.A N LEU 15.A O no hydrogen 2.740 N/A ALA 122.A N VAL 133.A O no hydrogen 2.847 N/A VAL 123.A N ILE 17.A O no hydrogen 2.915 N/A LEU 124.A N SER 131.A O no hydrogen 2.791 N/A VAL 125.A N VAL 19.A O no hydrogen 2.755 N/A SER 126.A N LEU 129.A O no hydrogen 3.004 N/A SER 126.A OG TYR 26.A OH no hydrogen 3.219 N/A SER 126.A OG LEU 129.A O no hydrogen 2.913 N/A LEU 129.A N SER 126.A OG no hydrogen 3.116 N/A SER 131.A N LEU 124.A O no hydrogen 3.173 N/A SER 131.A OG LYS 32.A O no hydrogen 2.958 N/A MET 132.A N ASN 35.A O no hydrogen 3.066 N/A VAL 133.A N ALA 122.A O no hydrogen 2.934 N/A THR 134.A N VAL 37.A O no hydrogen 2.784 N/A TYR 135.A N LYS 120.A O no hydrogen 2.836 N/A ALA 138.A N MET 117.A O no hydrogen 2.826 N/A ALA 139.A N LEU 136.A O no hydrogen 2.993 N/A CYS 140.A N GLY 137.A O no hydrogen 3.096 N/A ASP 141.A N ALA 138.A O no hydrogen 3.031 N/A LEU 142.A N ALA 139.A O no hydrogen 3.437 N/A SER 143.A N GLN 110.A OE1 no hydrogen 2.975 N/A HIS 146.A N SER 143.A OG no hydrogen 3.191 N/A HIS 146.A NE2 GLU 108.A O no hydrogen 2.880 N/A ILE 147.A N SER 143.A O no hydrogen 3.332 N/A GLU 148.A N LEU 144.A O no hydrogen 2.809 N/A GLN 149.A N ALA 145.A O no hydrogen 3.207 N/A GLN 149.A N HIS 146.A O no hydrogen 3.374 N/A VAL 152.A N GLN 149.A O no hydrogen 2.997 N/A TRP 153.A N GLN 149.A O no hydrogen 2.657 N/A SER 154.A N PRO 150.A O no hydrogen 3.054 N/A SER 154.A OG HIS 151.A O no hydrogen 3.426 N/A LEU 155.A N VAL 152.A O no hydrogen 2.965 N/A GLU 157.A N TRP 153.A O no hydrogen 3.069 N/A LYS 158.A N SER 154.A O no hydrogen 3.214 N/A ALA 159.A N LEU 155.A O no hydrogen 3.233 N/A ALA 159.A N VAL 156.A O no hydrogen 3.164 N/A GLN 160.A N TYR 6.A O no hydrogen 2.816 N/A VAL 161.A N TYR 6.A O no hydrogen 3.007 N/A TYR 162.A N LEU 189.A O no hydrogen 2.759 N/A TYR 162.A OH VAL 156.A O no hydrogen 2.586 N/A TYR 163.A N PHE 8.A O no hydrogen 2.940 N/A ILE 164.A N CYS 191.A O no hydrogen 3.134 N/A ALA 165.A N THR 64.A OG1 no hydrogen 2.947 N/A GLY 166.A N ASN 193.A O no hydrogen 2.775 N/A VAL 168.A N ALA 165.A O no hydrogen 3.021 N/A ILE 169.A N GLY 166.A O no hydrogen 2.913 N/A ASN 170.A N PHE 167.A O no hydrogen 3.390 N/A THR 171.A N VAL 168.A O no hydrogen 3.141 N/A THR 171.A OG1 ASN 12.A OD1 no hydrogen 2.721 N/A THR 171.A OG1 VAL 168.A O no hydrogen 3.245 N/A CYS 172.A N VAL 168.A O no hydrogen 2.850 N/A CYS 172.A SG LEU 142.A O no hydrogen 3.417 N/A CYS 172.A SG GLU 174.A OE2 no hydrogen 3.707 N/A TYR 173.A OH GLU 209.A OE1 no hydrogen 2.521 N/A GLU 174.A N GLU 174.A OE1 no hydrogen 2.481 N/A MET 176.A N CYS 172.A O no hydrogen 3.235 N/A LEU 177.A N TYR 173.A O no hydrogen 2.803 N/A LYS 178.A N GLU 174.A O no hydrogen 3.061 N/A ILE 179.A N GLY 175.A O no hydrogen 3.050 N/A ALA 180.A N MET 176.A O no hydrogen 2.942 N/A LYS 181.A N LEU 177.A O no hydrogen 2.937 N/A HIS 182.A N LYS 178.A O no hydrogen 3.020 N/A SER 183.A N ILE 179.A O no hydrogen 2.849 N/A LEU 184.A N ALA 180.A O no hydrogen 3.054 N/A GLU 185.A N LYS 181.A O no hydrogen 3.001 N/A ASN 186.A N HIS 182.A O no hydrogen 2.959 N/A ASN 186.A ND2 HIS 182.A O no hydrogen 2.903 N/A GLU 187.A N LEU 184.A O no hydrogen 3.406 N/A LYS 188.A N SER 183.A O no hydrogen 2.769 N/A LYS 188.A NZ VAL 156.A O no hydrogen 3.469 N/A LYS 188.A NZ GLU 157.A O no hydrogen 2.818 N/A LYS 188.A NZ ALA 159.A O no hydrogen 2.766 N/A LYS 188.A NZ TYR 162.A OH no hydrogen 3.217 N/A LYS 188.A NZ HIS 182.A NE2 no hydrogen 2.947 N/A LEU 189.A N GLN 160.A O no hydrogen 3.051 N/A PHE 190.A N ASN 215.A OD1 no hydrogen 2.888 N/A CYS 191.A N TYR 162.A O no hydrogen 2.726 N/A PHE 192.A N ILE 216.A O no hydrogen 2.901 N/A ASN 193.A ND2 TYR 163.A OH no hydrogen 2.909 N/A LEU 194.A N PHE 218.A O no hydrogen 2.917 N/A SER 195.A N ASN 193.A OD1 no hydrogen 2.800 N/A SER 195.A OG ASN 193.A O no hydrogen 3.197 N/A ALA 196.A N LEU 194.A O no hydrogen 2.658 N/A LEU 199.A N ALA 196.A O no hydrogen 3.160 N/A SER 200.A N PRO 197.A O no hydrogen 3.250 N/A GLN 201.A N PRO 197.A O no hydrogen 3.299 N/A PHE 202.A N PHE 198.A O no hydrogen 2.802 N/A ASN 203.A N LEU 199.A O no hydrogen 2.827 N/A THR 204.A OG1 SER 200.A O no hydrogen 2.541 N/A THR 204.A OG1 GLN 201.A O no hydrogen 3.495 N/A GLU 206.A N GLU 206.A OE1 no hydrogen 2.824 N/A VAL 207.A N ASN 203.A O no hydrogen 3.010 N/A ASP 208.A N THR 204.A O no hydrogen 2.874 N/A GLU 209.A N LYS 205.A O no hydrogen 2.838 N/A MET 210.A N GLU 206.A O no hydrogen 2.914 N/A ILE 211.A N VAL 207.A O no hydrogen 2.900 N/A SER 212.A N ASP 208.A O no hydrogen 3.192 N/A SER 212.A N GLU 209.A O no hydrogen 3.087 N/A SER 212.A OG GLU 209.A O no hydrogen 2.559 N/A TYR 213.A N MET 210.A O no hydrogen 2.914 N/A SER 214.A N ILE 211.A O no hydrogen 3.047 N/A SER 214.A OG MET 210.A O no hydrogen 2.724 N/A ASN 215.A N PHE 190.A O no hydrogen 2.884 N/A ILE 216.A N PHE 190.A O no hydrogen 3.304 N/A VAL 217.A N LEU 259.A O no hydrogen 2.839 N/A PHE 218.A N PHE 192.A O no hydrogen 2.787 N/A GLY 219.A N ILE 261.A O no hydrogen 2.826 N/A ASN 220.A N GLU 223.A OE1 no hydrogen 2.941 N/A GLU 223.A N ASN 220.A OD1 no hydrogen 2.939 N/A ALA 224.A N ASN 220.A O no hydrogen 3.005 N/A GLU 225.A N GLU 221.A O no hydrogen 3.017 N/A ALA 226.A N SER 222.A O no hydrogen 3.133 N/A TYR 227.A N GLU 223.A O no hydrogen 2.812 N/A TYR 227.A OH ASP 208.A OD1 no hydrogen 2.689 N/A GLY 228.A N ALA 224.A O no hydrogen 2.889 N/A GLU 229.A N GLU 225.A O no hydrogen 2.985 N/A VAL 230.A N ALA 226.A O no hydrogen 3.236 N/A HIS 231.A N TYR 227.A O no hydrogen 3.151 N/A HIS 231.A ND1 TYR 227.A O no hydrogen 2.650 N/A HIS 231.A NE2 ASP 208.A OD2 no hydrogen 2.668 N/A GLY 232.A N GLU 229.A O no hydrogen 2.977 N/A LEU 233.A N GLY 228.A O no hydrogen 2.686 N/A THR 237.A OG1 LEU 233.A O no hydrogen 2.902 N/A ALA 240.A N ASP 236.A O no hydrogen 2.678 N/A THR 241.A N THR 237.A O no hydrogen 2.716 N/A THR 241.A OG1 ALA 224.A O no hydrogen 2.846 N/A THR 241.A OG1 THR 237.A O no hydrogen 2.790 N/A ALA 242.A N VAL 238.A O no hydrogen 3.051 N/A ARG 243.A N HIS 239.A O no hydrogen 3.061 N/A ARG 243.A NH1 ASP 247.A OD1 no hydrogen 3.031 N/A ARG 243.A NH1 ASP 273.A O no hydrogen 3.226 N/A ARG 243.A NH2 THR 272.A OG1 no hydrogen 2.502 N/A TYR 244.A N ALA 240.A O no hydrogen 2.822 N/A ILE 245.A N THR 241.A O no hydrogen 2.851 N/A ALA 246.A N ALA 242.A O no hydrogen 2.987 N/A ASP 247.A N ARG 243.A O no hydrogen 2.916 N/A ASP 247.A N TYR 244.A O no hydrogen 3.136 N/A LEU 248.A N ILE 245.A O no hydrogen 3.425 N/A ALA 251.A N SER 212.A O no hydrogen 2.851 N/A GLY 253.A N PHE 250.A O no hydrogen 2.875 N/A LYS 254.A N ASP 252.A OD1 no hydrogen 3.311 N/A LYS 254.A NZ GLU 187.A OE2 no hydrogen 3.252 N/A ARG 256.A NH2 ASP 252.A OD2 no hydrogen 2.816 N/A ARG 258.A N SER 274.A OG no hydrogen 3.080 N/A ARG 258.A NE SER 214.A O no hydrogen 2.793 N/A ARG 258.A NH1 ILE 245.A O no hydrogen 2.883 N/A ARG 258.A NH1 LEU 248.A O no hydrogen 2.596 N/A ARG 258.A NH2 LEU 248.A O no hydrogen 3.113 N/A LEU 259.A N ASN 215.A O no hydrogen 2.751 N/A VAL 260.A N THR 272.A O no hydrogen 2.843 N/A ILE 261.A N VAL 217.A O no hydrogen 2.947 N/A ILE 262.A N LEU 270.A O no hydrogen 2.789 N/A THR 263.A N GLY 219.A O no hydrogen 2.773 N/A THR 263.A OG1 GLY 219.A O no hydrogen 3.392 N/A ARG 264.A NE GLU 221.A OE2 no hydrogen 3.474 N/A ARG 264.A NH1 PRO 268.A O no hydrogen 2.789 N/A ASN 267.A N ARG 264.A O no hydrogen 3.109 N/A LEU 269.A N PHE 282.A O no hydrogen 2.908 N/A LEU 270.A N ILE 262.A O no hydrogen 2.817 N/A TYR 271.A N HIS 280.A O no hydrogen 3.069 N/A THR 272.A N VAL 260.A O no hydrogen 3.084 N/A THR 272.A OG1 ASP 273.A O no hydrogen 3.400 N/A THR 272.A OG1 GLU 278.A O no hydrogen 2.720 N/A SER 274.A N ARG 258.A O no hydrogen 3.264 N/A SER 274.A OG ALA 246.A O no hydrogen 2.638 N/A SER 275.A N ASP 273.A OD1 no hydrogen 2.960 N/A SER 275.A OG ASP 273.A OD1 no hydrogen 2.494 N/A ASP 276.A N ASP 273.A O no hydrogen 3.049 N/A GLU 278.A N ASP 276.A OD1 no hydrogen 2.891 N/A HIS 280.A N TYR 271.A O no hydrogen 2.884 N/A HIS 280.A NE2 ASP 276.A OD2 no hydrogen 2.580 N/A PHE 282.A N LEU 269.A O no hydrogen 2.917 N/A LYS 288.A N GLN 291.A OE1 no hydrogen 2.894 N/A GLN 291.A N LYS 288.A O no hydrogen 3.018 N/A ILE 292.A N ASP 289.A O no hydrogen 3.362 N/A ILE 293.A N ILE 331.A O no hydrogen 3.159 N/A ASP 294.A N ILE 331.A O no hydrogen 3.001 N/A ASN 296.A N ASP 294.A OD1 no hydrogen 2.972 N/A ALA 298.A N THR 295.A O no hydrogen 2.946 N/A ALA 301.A N GLY 297.A O no hydrogen 2.937 N/A PHE 302.A N ALA 298.A O no hydrogen 2.842 N/A ALA 303.A N GLY 299.A O no hydrogen 3.137 N/A ALA 304.A N ASP 300.A O no hydrogen 3.160 N/A GLY 305.A N ALA 301.A O no hydrogen 2.756 N/A PHE 306.A N PHE 302.A O no hydrogen 2.939 N/A ILE 307.A N ALA 303.A O no hydrogen 2.938 N/A ALA 308.A N ALA 304.A O no hydrogen 2.958 N/A ASP 309.A N PHE 306.A O no hydrogen 3.278 N/A TYR 310.A N PHE 306.A O no hydrogen 2.827 N/A ILE 311.A N ILE 307.A O no hydrogen 2.958 N/A ARG 312.A N ASP 309.A O no hydrogen 3.111 N/A ARG 312.A NE ALA 308.A O no hydrogen 2.700 N/A ARG 312.A NH2 ALA 308.A O no hydrogen 3.332 N/A ARG 312.A NH2 ASP 309.A OD1 no hydrogen 3.171 N/A GLY 313.A N TYR 310.A O no hydrogen 3.121 N/A LYS 314.A N ASP 309.A O no hydrogen 3.275 N/A SER 319.A N PRO 315.A O no hydrogen 2.870 N/A SER 319.A OG LYS 314.A O no hydrogen 3.326 N/A SER 319.A OG PRO 315.A O no hydrogen 3.146 N/A LEU 320.A N MET 316.A O no hydrogen 2.853 N/A HIS 321.A N ILE 317.A O no hydrogen 3.022 N/A ALA 322.A N THR 318.A O no hydrogen 3.105 N/A ALA 323.A N SER 319.A O no hydrogen 2.932 N/A VAL 324.A N LEU 320.A O no hydrogen 3.060 N/A LYS 325.A N HIS 321.A O no hydrogen 3.016 N/A ALA 326.A N ALA 322.A O no hydrogen 3.105 N/A ALA 327.A N ALA 323.A O no hydrogen 2.970 N/A ALA 328.A N VAL 324.A O no hydrogen 2.718 N/A TYR 329.A N LYS 325.A O no hydrogen 2.909 N/A ILE 330.A N ALA 326.A O no hydrogen 3.347 N/A ILE 331.A N ALA 327.A O no hydrogen 2.962 N/A CYS 332.A N ALA 328.A O no hydrogen 3.181 N/A CYS 332.A SG ALA 328.A O no hydrogen 3.314 N/A ARG 333.A N ILE 330.A O no hydrogen 2.934 N/A ARG 333.A NE SER 337.A O no hydrogen 2.897 N/A ARG 333.A NH2 SER 337.A OG no hydrogen 3.041 N/A GLY 335.A N ASP 294.A OD2 no hydrogen 2.892 N/A SER 337.A N GLY 335.A O no hydrogen 2.877 N/A GLY 339.A N TYR 329.A OH no hydrogen 2.780 N/A ARG 341.A NE TRP 73.A O no hydrogen 3.046 N/A ARG 341.A NH1 ARG 341.A O no hydrogen 3.052 N/A ARG 341.A NH2 ILE 74.A O no hydrogen 2.909 N/A SER 343.A N SER 340.A O no hydrogen 3.041 N/A SER 343.A OG SER 340.A OG no hydrogen 3.345 N/A TYR 344.A N ARG 341.A O no hydrogen 3.305 N/A