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. Author manuscript; available in PMC: 2013 Apr 18.
Published in final edited form as: J Am Chem Soc. 2012 Apr 10;134(15):6552–6555. doi: 10.1021/ja301723p

Figure 1.

Figure 1

Left: The polymerase GlfT2 transfers the donor nucleotide sugar UDP-Galf (1) to synthetic acceptor substrates to generate galactan. An alternating Galf-β-(1,5)-Galf-β-(1,6) pattern is generated. Right: Donors 2 and 3, bearing fluorine atoms in place of key hydroxyl groups, can be used as chain termination agents to determine the fidelity of pattern generation for carbohydrate polymerases such as GlfT2.