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Table 2 Relative intensities of the FT-IR absorption bands of fractions 1-4 collected during the HPLC fractionation procedure.

From: Isolation and purification of Cu-free methanobactin from Methylosinus trichosporiumOB3b

 

1660 c m − 1 1030 c m − 1

1540 c m − 1 1030 c m − 1

1516 c m − 1 1030 c m − 1

( 1660 + 1540 + 1516 ) c m − 1 1030 c m − 1

Fraction 1

0.82

0.36

0.30

1.49

Fraction 2

0.73

0.37

0.37

1.47

Fraction 3

1.53

0.92

1.05

3.50

Fraction 4

0.56

0.30

0.34

1.21