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Figure 3 | Biology Direct

Figure 3

From: Purine biosynthesis in archaea: variations on a theme

Figure 3

The presence of genes for the purine biosynthesis pathway in Euryarchaeota. Symbols are as in Figure 2. E indicates that the expected activity can be provided by the PurE protein (see text). L indicates that the expected protein sequence is encoded as part of the PurL protein (see text).

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