Finding intermodel H-bonds
Finding intramodel H-bonds
Constraints relaxed by 0.4 angstroms and 20 degrees
Models used:
	#0 3p4k_A.cif

H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist):
ARG 2.A NH1    PRO 89.A O     no hydrogen  2.209  N/A
TYR 6.A N      VAL 17.A O     no hydrogen  2.937  N/A
TYR 6.A OH     TYR 21.A O     no hydrogen  2.764  N/A
GLN 8.A N      TRP 15.A O     no hydrogen  2.933  N/A
LEU 10.A N     THR 13.A O     no hydrogen  3.195  N/A
THR 13.A N     LEU 10.A O     no hydrogen  3.355  N/A
THR 13.A OG1   LEU 10.A O     no hydrogen  3.315  N/A
TRP 15.A N     GLN 8.A O      no hydrogen  2.978  N/A
TRP 15.A NE1   THR 13.A OG1   no hydrogen  2.755  N/A
GLU 16.A N     TYR 100.A OH   no hydrogen  3.034  N/A
VAL 17.A N     TYR 6.A O      no hydrogen  3.237  N/A
GLU 19.A N     THR 4.A O      no hydrogen  2.817  N/A
ARG 20.A NE    ASP 40.A OD1   no hydrogen  2.940  N/A
ARG 20.A NH2   ASP 40.A OD2   no hydrogen  2.726  N/A
TYR 21.A N     PRO 18.A O     no hydrogen  3.073  N/A
TYR 21.A OH    ASP 85.A OD2   no hydrogen  2.753  N/A
GLN 22.A N     PHE 39.A O     no hydrogen  2.875  N/A
GLN 22.A NE2   GLU 19.A O     no hydrogen  2.754  N/A
ALA 25.A N     ALA 37.A O     no hydrogen  2.816  N/A
VAL 27.A N     VAL 35.A O     no hydrogen  2.873  N/A
CYS 36.A N     VAL 49.A O     no hydrogen  2.850  N/A
ALA 37.A N     ALA 25.A O     no hydrogen  2.875  N/A
ALA 38.A N     VAL 47.A O     no hydrogen  2.873  N/A
PHE 39.A N     GLN 22.A O     no hydrogen  2.808  N/A
ASP 40.A N     HIS 45.A O     no hydrogen  2.793  N/A
THR 41.A N     ARG 20.A O     no hydrogen  2.937  N/A
THR 41.A OG1   ARG 20.A O     no hydrogen  2.790  N/A
LYS 42.A N     ASP 40.A OD1   no hydrogen  2.818  N/A
THR 43.A N     ASP 40.A O     no hydrogen  3.336  N/A
THR 43.A OG1   ASP 40.A OD2   no hydrogen  2.963  N/A
GLY 44.A N     ASP 40.A O     no hydrogen  2.735  N/A
VAL 47.A N     ALA 38.A O     no hydrogen  2.820  N/A
ALA 48.A N     THR 103.A O    no hydrogen  2.895  N/A
VAL 49.A N     CYS 36.A O     no hydrogen  2.731  N/A
LYS 50.A N     LEU 101.A O    no hydrogen  2.727  N/A
LYS 51.A N     SER 34.A O     no hydrogen  2.857  N/A
LYS 51.A NZ    ILE 14.A O     no hydrogen  2.726  N/A
LEU 52.A N     VAL 99.A O     no hydrogen  2.854  N/A
SER 53.A N     TYR 32.A O     no hydrogen  2.915  N/A
SER 53.A OG    ALA 31.A O     no hydrogen  3.118  N/A
SER 58.A OG    HIS 61.A ND1   no hydrogen  2.751  N/A
HIS 61.A N     SER 58.A OG    no hydrogen  3.282  N/A
HIS 61.A ND1   SER 58.A OG    no hydrogen  2.751  N/A
ALA 62.A N     SER 58.A O     no hydrogen  3.060  N/A
LYS 63.A N     ILE 59.A O     no hydrogen  3.063  N/A
LYS 63.A NZ    GLU 313.A O    no hydrogen  2.592  N/A
ARG 64.A N     ILE 60.A O     no hydrogen  3.048  N/A
THR 65.A N     HIS 61.A O     no hydrogen  2.804  N/A
THR 65.A OG1   PRO 55.A O     no hydrogen  2.972  N/A
THR 65.A OG1   HIS 61.A O     no hydrogen  2.801  N/A
TYR 66.A N     ALA 62.A O     no hydrogen  3.019  N/A
ARG 67.A N     LYS 63.A O     no hydrogen  2.920  N/A
ARG 67.A NE    GLU 313.A OE2  no hydrogen  2.572  N/A
ARG 67.A NH2   GLU 313.A OE1  no hydrogen  2.740  N/A
ARG 67.A NH2   GLU 313.A OE2  no hydrogen  3.418  N/A
GLU 68.A N     ARG 64.A O     no hydrogen  3.021  N/A
LEU 69.A N     THR 65.A O     no hydrogen  3.056  N/A
ARG 70.A N     TYR 66.A O     no hydrogen  2.845  N/A
ARG 70.A NH1   TYR 66.A OH    no hydrogen  2.906  N/A
ARG 70.A NH2   ASP 309.A O    no hydrogen  2.890  N/A
LEU 71.A N     ARG 67.A O     no hydrogen  2.947  N/A
LEU 72.A N     GLU 68.A O     no hydrogen  2.838  N/A
LYS 73.A N     LEU 69.A O     no hydrogen  2.972  N/A
LYS 73.A NZ    GLU 329.A O    no hydrogen  2.789  N/A
LYS 73.A NZ    GLU 329.A OE1  no hydrogen  2.748  N/A
HIS 74.A N     ARG 70.A O     no hydrogen  3.213  N/A
HIS 74.A NE2   PRO 307.A O    no hydrogen  3.153  N/A
MET 75.A N     LEU 71.A O     no hydrogen  3.296  N/A
LYS 76.A N     TYR 137.A OH   no hydrogen  2.798  N/A
ASN 79.A ND2   LEU 161.A O    no hydrogen  2.927  N/A
VAL 80.A N     HIS 77.A O     no hydrogen  3.270  N/A
ILE 81.A N     ILE 163.A O    no hydrogen  3.021  N/A
LEU 84.A N     VAL 102.A O    no hydrogen  2.760  N/A
ASP 85.A N     VAL 102.A O    no hydrogen  3.259  N/A
PHE 87.A N     TYR 100.A O    no hydrogen  2.996  N/A
THR 88.A OG1   ASP 98.A O     no hydrogen  2.769  N/A
ALA 90.A N     THR 88.A OG1   no hydrogen  3.199  N/A
ARG 91.A N     GLU 95.A OE1   no hydrogen  2.292  N/A
SER 92.A OG    GLU 94.A O     no hydrogen  2.098  N/A
PHE 96.A N     LEU 93.A O     no hydrogen  3.212  N/A
TYR 100.A N    PHE 87.A O     no hydrogen  3.029  N/A
LEU 101.A N    LYS 50.A O     no hydrogen  2.852  N/A
VAL 102.A N    ASP 85.A O     no hydrogen  2.751  N/A
THR 103.A N    ALA 48.A O     no hydrogen  3.083  N/A
LEU 110.A N    PRO 150.A O    no hydrogen  3.345  N/A
ASN 112.A N    ASP 109.A OD1  no hydrogen  2.967  N/A
ILE 113.A N    ASP 109.A O    no hydrogen  3.258  N/A
VAL 114.A N    LEU 110.A O    no hydrogen  3.099  N/A
LYS 115.A N    ASN 111.A O    no hydrogen  2.932  N/A
CYS 116.A N    ASN 112.A O    no hydrogen  3.287  N/A
CYS 116.A N    ILE 113.A O    no hydrogen  3.197  N/A
CYS 116.A SG   ASN 112.A O    no hydrogen  3.413  N/A
THR 120.A N    HIS 123.A ND1  no hydrogen  2.833  N/A
THR 120.A OG1  HIS 123.A ND1  no hydrogen  2.962  N/A
HIS 123.A N    THR 120.A OG1  no hydrogen  3.259  N/A
VAL 124.A N    THR 120.A O    no hydrogen  3.168  N/A
GLN 125.A N    ASP 121.A O    no hydrogen  2.931  N/A
GLN 125.A NE2  ASP 121.A OD2  no hydrogen  2.793  N/A
PHE 126.A N    ASP 122.A O    no hydrogen  3.028  N/A
LEU 127.A N    HIS 123.A O    no hydrogen  2.917  N/A
ILE 128.A N    VAL 124.A O    no hydrogen  2.952  N/A
TYR 129.A N    GLN 125.A O    no hydrogen  2.950  N/A
TYR 129.A OH   GLU 302.A OE2  no hydrogen  2.591  N/A
GLN 130.A N    PHE 126.A O    no hydrogen  3.009  N/A
GLN 130.A NE2  PHE 126.A O    no hydrogen  2.966  N/A
GLN 130.A NE2  CYS 159.A O    no hydrogen  2.929  N/A
ILE 131.A N    LEU 127.A O    no hydrogen  3.079  N/A
LEU 132.A N    ILE 128.A O    no hydrogen  3.051  N/A
ARG 133.A N    TYR 129.A O    no hydrogen  2.889  N/A
ARG 133.A NE   ASP 301.A O    no hydrogen  2.817  N/A
ARG 133.A NH1  GLU 78.A OE1   no hydrogen  2.821  N/A
ARG 133.A NH1  ASN 79.A OD1   no hydrogen  2.934  N/A
ARG 133.A NH2  GLU 78.A OE1   no hydrogen  3.210  N/A
ARG 133.A NH2  ASP 301.A O    no hydrogen  2.927  N/A
ARG 133.A NH2  ASP 301.A OD1  no hydrogen  3.173  N/A
GLY 134.A N    GLN 130.A O    no hydrogen  2.937  N/A
LEU 135.A N    ILE 131.A O    no hydrogen  2.829  N/A
LYS 136.A N    LEU 132.A O    no hydrogen  2.702  N/A
LYS 136.A NZ   GLU 302.A O    no hydrogen  2.644  N/A
TYR 137.A N    ARG 133.A O    no hydrogen  3.434  N/A
TYR 137.A OH   HIS 74.A O     no hydrogen  3.305  N/A
ILE 138.A N    GLY 134.A O    no hydrogen  3.066  N/A
HIS 139.A N    LEU 135.A O    no hydrogen  2.888  N/A
HIS 139.A NE2  ASP 190.A OD2  no hydrogen  2.782  N/A
SER 140.A N    LYS 136.A O    no hydrogen  3.045  N/A
SER 140.A OG   LYS 136.A O    no hydrogen  3.520  N/A
SER 140.A OG   TYR 137.A O    no hydrogen  2.635  N/A
ALA 141.A N    ILE 138.A O    no hydrogen  3.006  N/A
ASP 142.A N    HIS 139.A O    no hydrogen  2.935  N/A
ILE 143.A N    ILE 138.A O    no hydrogen  3.233  N/A
HIS 145.A N    ASP 190.A OD2  no hydrogen  2.816  N/A
HIS 145.A NE2  LEU 164.A O    no hydrogen  2.751  N/A
ARG 146.A N    ASP 190.A OD1  no hydrogen  2.941  N/A
ARG 146.A NH1  TYR 185.A OH   no hydrogen  2.786  N/A
ASP 147.A N    HIS 145.A ND1  no hydrogen  2.972  N/A
LYS 149.A NZ   ASP 147.A OD2  no hydrogen  3.552  N/A
LYS 149.A NZ   ALA 169.A O    no hydrogen  2.715  N/A
ASN 152.A N    LYS 149.A O    no hydrogen  2.966  N/A
LEU 153.A N    PRO 150.A O    no hydrogen  3.185  N/A
ALA 154.A N    LYS 162.A O    no hydrogen  2.948  N/A
VAL 155.A N    ALA 108.A O    no hydrogen  2.954  N/A
ASN 156.A N    GLU 160.A O    no hydrogen  3.006  N/A
ASN 156.A ND2  GLU 160.A OE1  no hydrogen  3.202  N/A
GLU 157.A N    GLU 157.A OE2  no hydrogen  2.815  N/A
ASP 158.A N    ASN 156.A OD1  no hydrogen  2.858  N/A
CYS 159.A N    ASN 156.A O    no hydrogen  2.935  N/A
GLU 160.A N    ASN 156.A OD1  no hydrogen  3.129  N/A
LEU 161.A N    GLN 130.A OE1  no hydrogen  2.834  N/A
LYS 162.A N    ALA 154.A O    no hydrogen  3.008  N/A
LYS 162.A NZ   GLU 78.A O     no hydrogen  2.669  N/A
ILE 163.A N    ASN 79.A O     no hydrogen  2.839  N/A
LEU 164.A N    ASN 152.A O    no hydrogen  2.818  N/A
GLY 167.A N    HIS 145.A O    no hydrogen  3.097  N/A
ARG 171.A NH2  GLY 210.A O    no hydrogen  2.477  N/A
TRP 172.A NE1  GLY 210.A O    no hydrogen  2.828  N/A
TYR 173.A OH   GLU 200.A OE1  no hydrogen  2.563  N/A
TYR 173.A OH   GLU 200.A OE2  no hydrogen  3.399  N/A
ARG 174.A N    ARG 171.A O    no hydrogen  3.132  N/A
GLU 177.A N    GLU 177.A OE1  no hydrogen  2.611  N/A
ILE 178.A N    ALA 175.A O    no hydrogen  3.166  N/A
MET 179.A N    ALA 175.A O    no hydrogen  3.065  N/A
LEU 180.A N    PRO 176.A O    no hydrogen  3.132  N/A
ASN 181.A N    ILE 178.A O    no hydrogen  3.343  N/A
TRP 182.A N    GLU 177.A O    no hydrogen  2.796  N/A
ASN 186.A ND2  THR 188.A OG1  no hydrogen  2.519  N/A
THR 188.A OG1  SER 278.A O    no hydrogen  3.048  N/A
VAL 189.A N    ASN 186.A O    no hydrogen  3.145  N/A
ASP 190.A N    GLN 187.A O    no hydrogen  3.136  N/A
TRP 192.A N    THR 188.A O    no hydrogen  3.248  N/A
SER 193.A N    VAL 189.A O    no hydrogen  3.190  N/A
SER 193.A OG   TYR 173.A O    no hydrogen  2.604  N/A
SER 193.A OG   VAL 189.A O    no hydrogen  3.428  N/A
VAL 194.A N    ASP 190.A O    no hydrogen  2.982  N/A
GLY 195.A N    ILE 191.A O    no hydrogen  2.990  N/A
CYS 196.A N    TRP 192.A O    no hydrogen  3.067  N/A
CYS 196.A SG   TRP 172.A O    no hydrogen  3.956  N/A
CYS 196.A SG   TRP 192.A O    no hydrogen  3.503  N/A
ILE 197.A N    SER 193.A O    no hydrogen  2.946  N/A
MET 198.A N    VAL 194.A O    no hydrogen  2.849  N/A
ALA 199.A N    GLY 195.A O    no hydrogen  2.849  N/A
GLU 200.A N    CYS 196.A O    no hydrogen  3.328  N/A
LEU 201.A N    ILE 197.A O    no hydrogen  2.975  N/A
LEU 202.A N    MET 198.A O    no hydrogen  3.035  N/A
THR 203.A N    ALA 199.A O    no hydrogen  2.999  N/A
THR 203.A OG1  ALA 199.A O    no hydrogen  3.321  N/A
GLY 204.A N    GLU 200.A O    no hydrogen  2.845  N/A
ARG 205.A N    THR 203.A OG1  no hydrogen  2.972  N/A
ARG 205.A NH1  THR 203.A O    no hydrogen  3.152  N/A
GLY 210.A N    PHE 208.A O    no hydrogen  2.807  N/A
THR 211.A N    ASP 215.A OD2  no hydrogen  2.620  N/A
THR 211.A OG1  ASP 215.A OD2  no hydrogen  3.195  N/A
HIS 213.A ND1  MET 179.A O    no hydrogen  3.278  N/A
ILE 214.A N    ASP 212.A OD1  no hydrogen  2.950  N/A
ASP 215.A N    ASP 212.A OD1  no hydrogen  3.000  N/A
GLN 216.A N    ASP 212.A O    no hydrogen  3.033  N/A
GLN 216.A NE2  ARG 171.A O    no hydrogen  2.984  N/A
LEU 217.A N    HIS 213.A O    no hydrogen  3.016  N/A
LYS 218.A N    ILE 214.A O    no hydrogen  2.836  N/A
LEU 219.A N    ASP 215.A O    no hydrogen  3.033  N/A
ILE 220.A N    GLN 216.A O    no hydrogen  2.910  N/A
LEU 221.A N    LEU 217.A O    no hydrogen  2.805  N/A
ARG 222.A N    LYS 218.A O    no hydrogen  3.036  N/A
LEU 223.A N    ILE 220.A O    no hydrogen  2.931  N/A
VAL 224.A N    ILE 220.A O    no hydrogen  2.940  N/A
GLY 225.A N    LEU 221.A O    no hydrogen  2.796  N/A
THR 226.A N    MET 250.A O    no hydrogen  2.925  N/A
THR 226.A OG1  MET 250.A O    no hydrogen  3.359  N/A
LEU 232.A N    GLY 228.A O    no hydrogen  2.966  N/A
LYS 233.A N    ALA 229.A O    no hydrogen  2.926  N/A
LYS 234.A N    LEU 231.A O    no hydrogen  2.890  N/A
LYS 234.A NZ   ASP 277.A OD1  no hydrogen  3.068  N/A
LYS 234.A NZ   ASP 277.A OD2  no hydrogen  2.904  N/A
LYS 234.A NZ   ASP 279.A OD2  no hydrogen  2.750  N/A
ILE 235.A N    LEU 232.A O    no hydrogen  3.330  N/A
SER 236.A N    TRP 182.A O    no hydrogen  3.013  N/A
SER 236.A OG   TRP 182.A O    no hydrogen  3.324  N/A
ARG 241.A N    SER 237.A O    no hydrogen  3.005  N/A
ARG 241.A NH1  ILE 235.A O    no hydrogen  3.034  N/A
ARG 241.A NH1  SER 236.A O    no hydrogen  3.352  N/A
ASN 242.A N    GLU 238.A O    no hydrogen  2.780  N/A
TYR 243.A N    SER 239.A O    no hydrogen  2.710  N/A
ILE 244.A N    ALA 240.A O    no hydrogen  2.938  N/A
GLN 245.A N    ARG 241.A O    no hydrogen  2.913  N/A
SER 246.A N    TYR 243.A O    no hydrogen  3.021  N/A
SER 246.A OG   TYR 243.A O    no hydrogen  2.690  N/A
LEU 247.A N    ILE 244.A O    no hydrogen  3.136  N/A
MET 250.A N    THR 226.A OG1  no hydrogen  2.853  N/A
LYS 252.A NZ   MET 253.A O    no hydrogen  3.276  N/A
MET 253.A N    LEU 223.A O    no hydrogen  3.047  N/A
ALA 256.A N    ASN 254.A OD1  no hydrogen  2.821  N/A
ASN 257.A N    ASN 254.A O    no hydrogen  3.079  N/A
VAL 258.A N    ASN 254.A O    no hydrogen  3.342  N/A
PHE 259.A N    PHE 255.A O    no hydrogen  2.930  N/A
ALA 262.A N    PHE 259.A O    no hydrogen  3.119  N/A
ASN 263.A ND2  ASP 121.A OD2  no hydrogen  3.082  N/A
LEU 265.A N    ASN 263.A OD1  no hydrogen  2.789  N/A
VAL 267.A N    ASN 263.A O    no hydrogen  3.081  N/A
ASP 268.A N    PRO 264.A O    no hydrogen  2.913  N/A
LEU 269.A N    LEU 265.A O    no hydrogen  3.087  N/A
LEU 270.A N    ALA 266.A O    no hydrogen  2.933  N/A
GLU 271.A N    VAL 267.A O    no hydrogen  3.028  N/A
LYS 272.A N    ASP 268.A O    no hydrogen  3.272  N/A
LYS 272.A N    LEU 269.A O    no hydrogen  2.887  N/A
MET 273.A N    LEU 269.A O    no hydrogen  3.099  N/A
MET 273.A N    LEU 270.A O    no hydrogen  3.204  N/A
LEU 274.A N    LEU 270.A O    no hydrogen  2.948  N/A
SER 278.A OG   ASN 186.A OD1  no hydrogen  3.003  N/A
ASP 279.A N    ASP 277.A OD1  no hydrogen  3.013  N/A
LYS 280.A N    ASP 277.A O    no hydrogen  3.028  N/A
LYS 280.A NZ   GLU 230.A OE1  no hydrogen  3.038  N/A
ARG 281.A N    SER 278.A O    no hydrogen  3.455  N/A
ARG 281.A NE   VAL 275.A O    no hydrogen  2.689  N/A
ARG 281.A NH1  GLU 177.A OE2  no hydrogen  2.749  N/A
ARG 281.A NH1  THR 188.A O    no hydrogen  3.149  N/A
ARG 281.A NH2  GLU 177.A OE1  no hydrogen  3.043  N/A
ARG 281.A NH2  GLU 177.A OE2  no hydrogen  3.253  N/A
ARG 281.A NH2  VAL 275.A O    no hydrogen  3.234  N/A
ARG 281.A NH2  LEU 276.A O    no hydrogen  3.024  N/A
ILE 282.A N    LYS 272.A O    no hydrogen  3.100  N/A
THR 283.A N    GLN 286.A OE1  no hydrogen  3.100  N/A
GLN 286.A N    THR 283.A OG1  no hydrogen  3.193  N/A
ALA 287.A N    THR 283.A O    no hydrogen  2.906  N/A
LEU 288.A N    ALA 284.A O    no hydrogen  3.107  N/A
ALA 289.A N    GLN 286.A O    no hydrogen  3.146  N/A
HIS 290.A N    ALA 287.A O    no hydrogen  2.962  N/A
HIS 290.A NE2  ASP 268.A OD2  no hydrogen  2.830  N/A
TYR 292.A N    HIS 290.A ND1  no hydrogen  2.772  N/A
TYR 292.A OH   ASP 121.A OD1  no hydrogen  2.663  N/A
PHE 293.A N    HIS 290.A O    no hydrogen  2.804  N/A
ALA 294.A N    ALA 291.A O    no hydrogen  3.221  N/A
TYR 296.A N    PHE 293.A O    no hydrogen  2.719  N/A
TYR 296.A OH   ASP 122.A OD2  no hydrogen  2.429  N/A
HIS 297.A N    PHE 293.A O    no hydrogen  2.754  N/A
HIS 297.A ND1  GLU 302.A OE2  no hydrogen  2.702  N/A
ASP 298.A N    GLU 302.A OE2  no hydrogen  2.954  N/A
ASP 300.A N    ASP 298.A OD1  no hydrogen  3.020  N/A
ASP 301.A N    ASP 298.A O    no hydrogen  2.934  N/A
ALA 305.A N    SER 140.A OG   no hydrogen  2.886  N/A
GLN 310.A NE2  ASP 142.A O    no hydrogen  2.974  N/A
SER 311.A N    ASP 309.A OD1  no hydrogen  3.013  N/A
SER 311.A OG   ASP 309.A OD1  no hydrogen  2.580  N/A
GLU 313.A N    GLN 310.A O    no hydrogen  2.887  N/A
SER 314.A N    SER 311.A O    no hydrogen  3.328  N/A
ARG 315.A N    PHE 312.A O    no hydrogen  2.976  N/A
LEU 318.A N    GLU 321.A OE1  no hydrogen  2.992  N/A
TRP 322.A N    LEU 318.A O    no hydrogen  3.054  N/A
LYS 323.A N    ILE 319.A O    no hydrogen  2.903  N/A
LYS 323.A NZ   PHE 96.A O     no hydrogen  2.589  N/A
LYS 323.A NZ   ASN 97.A OD1   no hydrogen  3.566  N/A
SER 324.A N    ASP 320.A O    no hydrogen  2.962  N/A
LEU 325.A N    GLU 321.A O    no hydrogen  3.007  N/A
THR 326.A N    TRP 322.A O    no hydrogen  2.957  N/A
THR 326.A OG1  TRP 322.A O    no hydrogen  2.843  N/A
TYR 327.A N    LYS 323.A O    no hydrogen  2.990  N/A
ASP 328.A N    SER 324.A O    no hydrogen  3.001  N/A
GLU 329.A N    LEU 325.A O    no hydrogen  3.162  N/A
VAL 330.A N    THR 326.A O    no hydrogen  2.947  N/A
ILE 331.A N    TYR 327.A O    no hydrogen  2.864  N/A
SER 332.A N    ASP 328.A O    no hydrogen  2.810  N/A
SER 332.A OG   ASP 328.A O    no hydrogen  3.060  N/A
PHE 333.A N    VAL 330.A O    no hydrogen  3.262  N/A