structure

Calculated M.W

Calculated

M.W +Na

Experimental

peak

Peak relative

proportion (%)

G -5H

Monomer

177

200

200

85

G -4H

Monomer

193

216

216

8

H-G + 12H

dimer

257

280

280

12

G-H + 1H

dimer

277

300

300

5

S-H-10H

dimer

339

362

362

18

S-H +4H

dimer

353

376

376

5

S-S-OH

dimer

419

442

442

5

S-S-H-1H

trimer

528

551

551

10

S-S-S-2H

trimer

628

651

651

3

H-G-H-G + 11H

tetramer

689

712

712

3

G-G-G-S + 1H

tetramer

751

774

774

65

S-S-S-S-S-S

hexamer

998

1021

1021

45

S-H-S-H-S-H-1H

hexamer

1060

1083

1083

28

S-H-S-H-S-H-4H

hexamer

1073

1096

1096

100

S-H-S-H-S-H-S-H-4H

octamer

1336

1359

1359

82

S-S-S-S-S-S-S-S-2H

heptamer

1468

1491

1491

70

S-H-S-H-S-H-S-H-S-H

decamer

1600

1623

1623

60

G-S-G-S-G-S-G-S -CH3-OH

octamer

1732

1755

1755

42

G-G-G-G-G-G-G-G-G-G + H2O

decamer

1864

1887

1887

35

H-S-H-S-H-S-H-S-H-S-H-S-H-S-1H

pentadecamer

2127

2150

2150

22

H-G-H-G-H-G-H-G-H-G-H-G-H-G + H2O

tetradecamer

2391

2414

2414

18

G-G-G-G-G-G-G-G-G-G-G-G-G-G-G-G-G-G

octadecamer

2655

2678

2678

10

S-S-S-S-S-S-S-S-S-S-S-S-S-S + CH3

tetradecamer

2918

2941

2941

10

S-H-S-H-S-H-S-H-S-H-S-H-S-H-S-H-S-H + 6H

octadecamer

3183

3206

3206

8

G-S-G-S-G-S-G-S-G-S-G-S-G-S-G-S-OH

hexadecamer

3447

3470

3470

3

G-S-G-S-G-S-G-S-G-S-G-S-G-S-G-S-G-S + Na+

octadecamer

3712

3735

3735

5