Finding intermodel H-bonds
Finding intramodel H-bonds
Constraints relaxed by 0.4 angstroms and 20 degrees
Models used:
	#0 7u36_A.cif

H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist):
THR 3.A N      TYR 21.A O     no hydrogen  2.964  N/A
THR 4.A OG1    SER 20.A OG    no hydrogen  2.502  N/A
VAL 5.A N      VAL 19.A O     no hydrogen  2.846  N/A
ALA 7.A N      GLN 17.A O     no hydrogen  2.951  N/A
THR 8.A N      PHE 80.A O     no hydrogen  3.026  N/A
GLY 10.A N     ARG 78.A O     no hydrogen  2.984  N/A
GLN 17.A N     ALA 7.A O      no hydrogen  2.969  N/A
VAL 19.A N     VAL 5.A O      no hydrogen  2.876  N/A
SER 20.A OG    THR 4.A OG1    no hydrogen  2.502  N/A
TYR 21.A N     THR 3.A O      no hydrogen  2.902  N/A
THR 22.A N     LYS 39.A O     no hydrogen  2.870  N/A
THR 22.A OG1   LYS 1.A O      no hydrogen  2.252  N/A
ASP 23.A N     THR 22.A OG1   no hydrogen  2.763  N/A
LYS 25.A N     GLN 37.A O     no hydrogen  2.926  N/A
ILE 27.A N     VAL 35.A O     no hydrogen  2.815  N/A
GLY 33.A N     GLY 30.A O     no hydrogen  2.671  N/A
VAL 35.A N     GLY 28.A O     no hydrogen  3.144  N/A
TYR 36.A N     ILE 49.A O     no hydrogen  2.843  N/A
GLN 37.A N     LYS 25.A O     no hydrogen  3.311  N/A
ALA 38.A N     VAL 47.A O     no hydrogen  2.897  N/A
LYS 39.A N     THR 22.A O     no hydrogen  2.760  N/A
LYS 39.A NZ    ASP 23.A OD2   no hydrogen  2.718  N/A
LEU 40.A N     GLU 45.A O     no hydrogen  2.945  N/A
CYS 41.A N     SER 20.A O     no hydrogen  2.959  N/A
SER 43.A OG    GLU 45.A OE1   no hydrogen  3.007  N/A
GLY 44.A N     LEU 40.A O     no hydrogen  2.811  N/A
VAL 47.A N     ALA 38.A O     no hydrogen  2.865  N/A
ALA 48.A N     LEU 97.A O     no hydrogen  2.832  N/A
ILE 49.A N     TYR 36.A O     no hydrogen  2.871  N/A
LYS 50.A N     LEU 95.A O     no hydrogen  3.006  N/A
LYS 50.A NZ    GLU 62.A OE1   no hydrogen  3.513  N/A
LYS 50.A NZ    GLU 62.A OE2   no hydrogen  3.019  N/A
LYS 50.A NZ    ASP 165.A OD1  no hydrogen  3.007  N/A
LYS 51.A N     VAL 34.A O     no hydrogen  2.838  N/A
VAL 52.A N     LEU 93.A O     no hydrogen  2.921  N/A
GLN 54.A N     VAL 91.A O     no hydrogen  2.622  N/A
GLN 54.A NE2   TYR 82.A OH    no hydrogen  3.272  N/A
ASP 55.A N     GLN 54.A OE1   no hydrogen  3.008  N/A
LYS 56.A NZ    ASP 89.A O     no hydrogen  3.497  N/A
LEU 63.A N     ASN 60.A OD1   no hydrogen  3.096  N/A
GLN 64.A N     ASN 60.A O     no hydrogen  3.095  N/A
ILE 65.A N     ARG 61.A O     no hydrogen  3.116  N/A
MET 66.A N     GLU 62.A O     no hydrogen  2.852  N/A
ARG 67.A N     LEU 63.A O     no hydrogen  3.122  N/A
LEU 69.A N     MET 66.A O     no hydrogen  3.386  N/A
ASP 70.A N     TYR 136.A OH   no hydrogen  3.072  N/A
HIS 71.A NE2   GLU 331.A OE2  no hydrogen  2.811  N/A
CYS 72.A SG    ASN 73.A OD1   no hydrogen  3.422  N/A
ASN 73.A N     HIS 71.A ND1   no hydrogen  2.874  N/A
ASN 73.A ND2   GLN 129.A OE1  no hydrogen  2.959  N/A
ASN 73.A ND2   LEU 161.A O    no hydrogen  2.849  N/A
ILE 74.A N     HIS 71.A O     no hydrogen  3.237  N/A
VAL 75.A N     LEU 163.A O    no hydrogen  3.249  N/A
ARG 78.A N     VAL 96.A O     no hydrogen  2.821  N/A
ARG 78.A NE    ASP 98.A OD1   no hydrogen  2.847  N/A
ARG 78.A NH1   TYR 79.A OH    no hydrogen  3.553  N/A
TYR 79.A N     VAL 96.A O     no hydrogen  3.498  N/A
PHE 80.A N     THR 8.A O      no hydrogen  2.974  N/A
PHE 81.A N     ASN 94.A O     no hydrogen  3.067  N/A
SER 83.A N     TYR 92.A O     no hydrogen  3.096  N/A
SER 83.A OG    ASN 94.A OD1   no hydrogen  3.455  N/A
LYS 88.A NZ    GLY 85.A O     no hydrogen  3.066  N/A
LYS 88.A NZ    TYR 92.A OH    no hydrogen  2.933  N/A
ASP 89.A N     LYS 87.A O     no hydrogen  2.461  N/A
TYR 92.A N     SER 83.A O     no hydrogen  2.840  N/A
LEU 93.A N     VAL 52.A O     no hydrogen  2.731  N/A
ASN 94.A N     PHE 81.A O     no hydrogen  2.809  N/A
ASN 94.A ND2   PHE 81.A O     no hydrogen  3.276  N/A
ASN 94.A ND2   SER 83.A OG    no hydrogen  3.137  N/A
LEU 95.A N     LYS 50.A O     no hydrogen  2.858  N/A
VAL 96.A N     TYR 79.A O     no hydrogen  2.909  N/A
LEU 97.A N     ALA 48.A O     no hydrogen  2.790  N/A
ASP 98.A N     ARG 76.A O     no hydrogen  3.200  N/A
TYR 99.A N     LEU 46.A O     no hydrogen  3.298  N/A
GLU 102.A N    LEU 154.A O    no hydrogen  3.050  N/A
VAL 104.A N    LEU 152.A O    no hydrogen  2.781  N/A
TYR 105.A N    PRO 149.A O    no hydrogen  3.243  N/A
ARG 106.A N    THR 103.A OG1  no hydrogen  3.159  N/A
ARG 106.A NE   GLU 102.A OE1  no hydrogen  2.948  N/A
ARG 106.A NH2  GLU 102.A OE2  no hydrogen  3.173  N/A
VAL 107.A N    THR 103.A O    no hydrogen  3.072  N/A
ALA 108.A N    VAL 104.A O    no hydrogen  2.681  N/A
ARG 109.A N    TYR 105.A O    no hydrogen  3.117  N/A
HIS 110.A N    ARG 106.A O    no hydrogen  3.028  N/A
TYR 111.A N    VAL 107.A O    no hydrogen  3.242  N/A
SER 112.A N    ALA 108.A O    no hydrogen  3.133  N/A
SER 112.A OG   GLY 218.A O    no hydrogen  2.768  N/A
ARG 113.A N    ARG 109.A O    no hydrogen  2.909  N/A
ALA 114.A N    HIS 110.A O    no hydrogen  3.245  N/A
LYS 115.A N    SER 112.A O    no hydrogen  3.061  N/A
GLN 116.A N    TYR 111.A O    no hydrogen  2.786  N/A
TYR 122.A N    PRO 119.A O    no hydrogen  2.887  N/A
VAL 123.A N    PRO 119.A O    no hydrogen  3.460  N/A
LYS 124.A N    VAL 120.A O    no hydrogen  2.915  N/A
LYS 124.A NZ   PHE 304.A O    no hydrogen  3.436  N/A
LYS 124.A NZ   GLU 307.A OE1  no hydrogen  3.095  N/A
LEU 125.A N    ILE 121.A O    no hydrogen  3.037  N/A
TYR 126.A N    TYR 122.A O    no hydrogen  2.972  N/A
MET 127.A N    VAL 123.A O    no hydrogen  2.928  N/A
TYR 128.A N    LYS 124.A O    no hydrogen  2.974  N/A
TYR 128.A OH   LEU 324.A O    no hydrogen  2.484  N/A
GLN 129.A N    LEU 125.A O    no hydrogen  3.047  N/A
GLN 129.A NE2  LEU 125.A O    no hydrogen  3.203  N/A
GLN 129.A NE2  ALA 159.A O    no hydrogen  2.726  N/A
LEU 130.A N    TYR 126.A O    no hydrogen  2.986  N/A
PHE 131.A N    MET 127.A O    no hydrogen  2.997  N/A
ARG 132.A N    TYR 128.A O    no hydrogen  2.961  N/A
ARG 132.A NE   GLU 331.A OE2  no hydrogen  2.756  N/A
ARG 132.A NH1  ASN 326.A OD1  no hydrogen  2.900  N/A
ARG 132.A NH2  ASN 326.A OD1  no hydrogen  2.839  N/A
ARG 132.A NH2  GLU 331.A OE1  no hydrogen  3.318  N/A
ARG 132.A NH2  GLU 331.A OE2  no hydrogen  3.296  N/A
SER 133.A N    GLN 129.A O    no hydrogen  3.210  N/A
SER 133.A OG   LEU 130.A O    no hydrogen  2.674  N/A
LEU 134.A N    LEU 130.A O    no hydrogen  2.860  N/A
ALA 135.A N    PHE 131.A O    no hydrogen  2.798  N/A
TYR 136.A N    ARG 132.A O    no hydrogen  2.932  N/A
ILE 137.A N    SER 133.A O    no hydrogen  3.160  N/A
HIS 138.A N    LEU 134.A O    no hydrogen  2.769  N/A
HIS 138.A NE2  ASP 204.A OD2  no hydrogen  2.937  N/A
SER 139.A N    ALA 135.A O    no hydrogen  3.131  N/A
SER 139.A OG   TYR 136.A O    no hydrogen  2.531  N/A
PHE 140.A N    ILE 137.A O    no hydrogen  2.967  N/A
GLY 141.A N    HIS 138.A O    no hydrogen  2.682  N/A
ILE 142.A N    ILE 137.A O    no hydrogen  3.176  N/A
CYS 143.A N    LYS 170.A O    no hydrogen  3.101  N/A
CYS 143.A SG   ASP 204.A OD2  no hydrogen  3.241  N/A
HIS 144.A N    ASP 204.A OD2  no hydrogen  2.859  N/A
HIS 144.A NE2  CYS 164.A O    no hydrogen  2.851  N/A
ARG 145.A N    ASP 204.A OD1  no hydrogen  3.019  N/A
ARG 145.A NE   SER 168.A O    no hydrogen  2.700  N/A
ARG 145.A NH1  TYR 199.A OH   no hydrogen  2.580  N/A
ARG 145.A NH2  SER 168.A O    no hydrogen  2.934  N/A
ASP 146.A N    HIS 144.A ND1  no hydrogen  3.198  N/A
LYS 148.A NZ   SER 184.A OG   no hydrogen  2.738  N/A
ASN 151.A N    LYS 148.A O    no hydrogen  2.874  N/A
ASN 151.A ND2  ASP 146.A O    no hydrogen  2.890  N/A
ASN 151.A ND2  ASP 146.A OD2  no hydrogen  3.353  N/A
LEU 152.A N    PRO 149.A O    no hydrogen  3.202  N/A
LEU 153.A N    LYS 162.A O    no hydrogen  2.818  N/A
LEU 154.A N    GLU 102.A O    no hydrogen  2.886  N/A
ASP 155.A N    VAL 160.A O    no hydrogen  3.114  N/A
ASP 157.A N    ASP 155.A OD1  no hydrogen  3.297  N/A
ALA 159.A N    ASP 155.A O    no hydrogen  2.890  N/A
LEU 161.A N    GLN 129.A OE1  no hydrogen  2.862  N/A
LYS 162.A N    LEU 153.A O    no hydrogen  3.012  N/A
LYS 162.A NZ   CYS 72.A O     no hydrogen  2.939  N/A
LEU 163.A N    ASN 73.A O     no hydrogen  3.204  N/A
CYS 164.A N    ASN 151.A O    no hydrogen  3.059  N/A
CYS 164.A SG   ASN 151.A O    no hydrogen  3.400  N/A
PHE 166.A N    GLU 62.A OE2   no hydrogen  3.415  N/A
ALA 169.A N    PHE 166.A O    no hydrogen  3.123  N/A
LYS 170.A N    CYS 143.A O    no hydrogen  2.959  N/A
LYS 170.A NZ   ASN 178.A OD1  no hydrogen  2.944  N/A
GLN 171.A NE2  PHE 140.A O    no hydrogen  2.974  N/A
LEU 172.A N    GLY 141.A O    no hydrogen  2.899  N/A
GLU 176.A N    VAL 173.A O    no hydrogen  2.924  N/A
ASN 178.A N    THR 197.A O    no hydrogen  3.051  N/A
CYS 183.A SG   SER 184.A O    no hydrogen  4.040  N/A
CYS 183.A SG   TYR 187.A O    no hydrogen  3.356  N/A
CYS 183.A SG   SER 207.A OG   no hydrogen  3.543  N/A
SER 184.A N    ASP 146.A OD1  no hydrogen  3.234  N/A
SER 184.A OG   ASP 146.A OD1  no hydrogen  3.003  N/A
ARG 185.A NH1  GLN 150.A OE1  no hydrogen  3.306  N/A
TYR 187.A N    SER 184.A O    no hydrogen  3.286  N/A
TYR 187.A OH   GLU 214.A OE1  no hydrogen  2.858  N/A
TYR 187.A OH   GLU 214.A OE2  no hydrogen  2.958  N/A
ARG 188.A NH1  CYS 183.A O    no hydrogen  3.326  N/A
ARG 188.A NH2  SER 180.A O    no hydrogen  2.790  N/A
GLU 191.A N    GLU 191.A OE1  no hydrogen  2.885  N/A
LEU 192.A N    ALA 189.A O    no hydrogen  2.807  N/A
ILE 193.A N    ALA 189.A O    no hydrogen  3.229  N/A
PHE 194.A N    PRO 190.A O    no hydrogen  2.896  N/A
GLY 195.A N    LEU 192.A O    no hydrogen  2.974  N/A
ALA 196.A N    GLU 191.A O    no hydrogen  2.864  N/A
TYR 199.A OH   VAL 179.A O    no hydrogen  2.723  N/A
SER 202.A N    THR 200.A OG1  no hydrogen  3.030  N/A
SER 202.A OG   THR 200.A OG1  no hydrogen  2.444  N/A
SER 202.A OG   PRO 290.A O    no hydrogen  3.547  N/A
ASP 204.A N    SER 201.A O    no hydrogen  3.055  N/A
VAL 205.A N    SER 202.A O    no hydrogen  3.099  N/A
TRP 206.A N    SER 202.A O    no hydrogen  3.078  N/A
SER 207.A N    ILE 203.A O    no hydrogen  2.934  N/A
SER 207.A OG   TYR 187.A O    no hydrogen  2.849  N/A
SER 207.A OG   ILE 203.A O    no hydrogen  2.820  N/A
ALA 208.A N    ASP 204.A O    no hydrogen  2.897  N/A
GLY 209.A N    VAL 205.A O    no hydrogen  2.918  N/A
CYS 210.A N    TRP 206.A O    no hydrogen  3.027  N/A
CYS 210.A SG   TYR 186.A O    no hydrogen  3.907  N/A
CYS 210.A SG   TRP 206.A O    no hydrogen  3.604  N/A
VAL 211.A N    SER 207.A O    no hydrogen  3.198  N/A
VAL 211.A N    ALA 208.A O    no hydrogen  2.876  N/A
LEU 212.A N    ALA 208.A O    no hydrogen  2.942  N/A
ALA 213.A N    GLY 209.A O    no hydrogen  3.098  N/A
GLU 214.A N    CYS 210.A O    no hydrogen  3.258  N/A
LEU 215.A N    VAL 211.A O    no hydrogen  3.007  N/A
LEU 216.A N    LEU 212.A O    no hydrogen  3.002  N/A
LEU 217.A N    ALA 213.A O    no hydrogen  2.668  N/A
GLY 218.A N    GLU 214.A O    no hydrogen  2.790  N/A
ASP 229.A N    SER 226.A OG   no hydrogen  2.911  N/A
GLN 230.A N    SER 226.A O    no hydrogen  3.114  N/A
GLN 230.A NE2  ARG 185.A O    no hydrogen  2.720  N/A
LEU 231.A N    GLY 227.A O    no hydrogen  2.952  N/A
VAL 232.A N    VAL 228.A O    no hydrogen  3.032  N/A
GLU 233.A N    ASP 229.A O    no hydrogen  3.402  N/A
ILE 234.A N    GLN 230.A O    no hydrogen  2.926  N/A
ILE 235.A N    LEU 231.A O    no hydrogen  2.926  N/A
LYS 236.A N    VAL 232.A O    no hydrogen  2.728  N/A
LYS 236.A NZ   GLU 233.A OE1  no hydrogen  3.377  N/A
LYS 236.A NZ   GLU 233.A OE2  no hydrogen  3.120  N/A
VAL 237.A N    ILE 234.A O    no hydrogen  3.102  N/A
LEU 238.A N    ILE 234.A O    no hydrogen  2.764  N/A
GLY 239.A N    ILE 235.A O    no hydrogen  2.741  N/A
THR 240.A N    ILE 261.A O    no hydrogen  2.965  N/A
THR 240.A OG1  PRO 259.A O    no hydrogen  2.844  N/A
THR 240.A OG1  ILE 261.A O    no hydrogen  3.277  N/A
THR 242.A N    GLN 245.A OE1  no hydrogen  3.005  N/A
THR 242.A OG1  GLN 245.A OE1  no hydrogen  3.442  N/A
GLN 245.A N    THR 242.A OG1  no hydrogen  3.409  N/A
ILE 246.A N    THR 242.A O    no hydrogen  3.226  N/A
ARG 247.A N    ARG 243.A O    no hydrogen  3.244  N/A
ARG 247.A NE   GLU 244.A OE1  no hydrogen  3.250  N/A
ARG 247.A NE   GLU 244.A OE2  no hydrogen  3.315  N/A
ARG 247.A NH2  GLU 244.A OE2  no hydrogen  2.691  N/A
GLU 248.A N    GLU 244.A O    no hydrogen  3.091  N/A
GLU 248.A N    GLN 245.A O    no hydrogen  2.970  N/A
MET 249.A N    GLN 245.A O    no hydrogen  3.072  N/A
TYR 253.A N    ASN 250.A O    no hydrogen  3.276  N/A
ILE 261.A N    THR 240.A OG1  no hydrogen  2.718  N/A
HIS 264.A N    VAL 237.A O    no hydrogen  3.264  N/A
LYS 268.A N    PRO 265.A O    no hydrogen  2.548  N/A
LYS 268.A NZ   HIS 264.A NE2  no hydrogen  3.425  N/A
VAL 269.A N    TRP 266.A O    no hydrogen  3.238  N/A
ARG 271.A NH2  THR 117.A OG1  no hydrogen  3.268  N/A
THR 274.A N    ARG 271.A O    no hydrogen  3.349  N/A
THR 274.A OG1  ARG 271.A O    no hydrogen  2.831  N/A
ILE 279.A N    PRO 275.A O    no hydrogen  3.332  N/A
ALA 280.A N    PRO 276.A O    no hydrogen  2.904  N/A
LEU 281.A N    GLU 277.A O    no hydrogen  2.907  N/A
CYS 282.A N    ALA 278.A O    no hydrogen  3.098  N/A
CYS 282.A SG   ALA 278.A O    no hydrogen  3.856  N/A
SER 283.A N    ILE 279.A O    no hydrogen  3.304  N/A
SER 283.A N    ALA 280.A O    no hydrogen  3.089  N/A
SER 283.A OG   ALA 280.A O    no hydrogen  2.510  N/A
ARG 284.A N    LEU 281.A O    no hydrogen  3.122  N/A
ARG 284.A NH2  ALA 292.A O    no hydrogen  3.151  N/A
LEU 285.A N    CYS 282.A O    no hydrogen  3.119  N/A
LEU 286.A N    CYS 282.A O    no hydrogen  2.854  N/A
TYR 288.A OH   GLY 239.A O    no hydrogen  2.608  N/A
ALA 292.A N    THR 289.A O    no hydrogen  3.036  N/A
ARG 293.A NE   GLU 287.A O    no hydrogen  2.783  N/A
ARG 293.A NH1  GLU 191.A OE1  no hydrogen  3.566  N/A
ARG 293.A NH1  GLU 191.A OE2  no hydrogen  2.801  N/A
ARG 293.A NH1  SER 202.A O    no hydrogen  3.146  N/A
ARG 293.A NH2  GLU 191.A OE1  no hydrogen  2.726  N/A
ARG 293.A NH2  GLU 191.A OE2  no hydrogen  3.514  N/A
ARG 293.A NH2  GLU 287.A O    no hydrogen  3.209  N/A
LEU 294.A N    ARG 284.A O    no hydrogen  2.973  N/A
THR 295.A N    GLU 298.A OE1  no hydrogen  3.270  N/A
GLU 298.A N    THR 295.A OG1  no hydrogen  3.129  N/A
ALA 299.A N    THR 295.A O    no hydrogen  3.133  N/A
ALA 299.A N    PRO 296.A O    no hydrogen  3.087  N/A
CYS 300.A N    PRO 296.A O    no hydrogen  2.986  N/A
CYS 300.A SG   TYR 128.A O    no hydrogen  3.749  N/A
CYS 300.A SG   PRO 296.A O    no hydrogen  3.771  N/A
ALA 301.A N    LEU 297.A O    no hydrogen  3.327  N/A
HIS 302.A N    ALA 299.A O    no hydrogen  2.935  N/A
PHE 304.A N    HIS 302.A ND1  no hydrogen  3.051  N/A
PHE 305.A N    HIS 302.A O    no hydrogen  3.125  N/A
ASP 306.A N    SER 303.A O    no hydrogen  3.017  N/A
LEU 308.A N    PHE 305.A O    no hydrogen  2.901  N/A
ARG 309.A N    ASP 306.A O    no hydrogen  2.791  N/A
ARG 309.A NH1  CYS 300.A O    no hydrogen  3.090  N/A
ARG 309.A NH2  HIS 302.A O    no hydrogen  3.099  N/A
ARG 309.A NH2  ASP 306.A OD1  no hydrogen  3.045  N/A
ASP 310.A N    ASP 306.A O    no hydrogen  3.284  N/A
ASN 312.A N    ASP 310.A OD1  no hydrogen  2.769  N/A
LYS 314.A NZ   VAL 313.A O    no hydrogen  3.344  N/A
LYS 314.A NZ   ASP 320.A OD1  no hydrogen  2.721  N/A
LEU 315.A N    ARG 319.A O    no hydrogen  2.934  N/A
ASN 317.A ND2  ASP 157.A O    no hydrogen  3.368  N/A
GLY 318.A N    LEU 315.A O    no hydrogen  2.701  N/A
ARG 319.A N    ASN 317.A OD1  no hydrogen  2.966  N/A
PHE 327.A N    PHE 325.A O    no hydrogen  2.828  N/A
GLU 331.A N    THR 328.A OG1  no hydrogen  3.174  N/A
LEU 332.A N    THR 328.A O    no hydrogen  3.081  N/A
LEU 332.A N    THR 329.A O    no hydrogen  3.176  N/A
SER 333.A N    GLN 330.A O    no hydrogen  3.050  N/A
SER 333.A OG   GLN 330.A O    no hydrogen  2.352  N/A
ASN 335.A N    LEU 332.A O    no hydrogen  2.829  N/A
LEU 338.A N    ASN 335.A O    no hydrogen  3.079  N/A
ALA 339.A N    PRO 336.A O    no hydrogen  2.816  N/A
THR 340.A N    PRO 337.A O    no hydrogen  3.239  N/A
THR 340.A OG1  PRO 337.A O    no hydrogen  3.229  N/A
ILE 341.A N    LEU 338.A O    no hydrogen  2.800  N/A
LEU 342.A N    LEU 338.A O    no hydrogen  2.847  N/A
ILE 343.A N    ALA 339.A O    no hydrogen  2.927  N/A
ALA 347.A N    PRO 344.A O    no hydrogen  2.995  N/A
ARG 348.A N    PRO 345.A O    no hydrogen  2.836  N/A
ARG 348.A NE   ILE 343.A O    no hydrogen  3.226  N/A
ARG 348.A NH2  ILE 343.A O    no hydrogen  3.272  N/A