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Table 4 Approximate natural abundance of selected ribose isotopologs carrying 13C.

From: Studies of the intermediary metabolism in cultured cells of the insect Spodoptera frugiperda using 13C- or 15N-labelled tracers

Isotopolog

Abundance [mol%]

[1-13C1]

1.1

[2-13C1]

1.1

[3-13C1]

1.1

[1,2-13C2]

0.012

[4,5-13C2]

0.012

[1,2,3-13C3]

0.00013

[3,4,5-13C3]

0.00013

[U-13C5]

0.000000018

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BMC Biochemistry

ISSN: 1471-2091

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