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. 1997 Aug 19;94(17):9069–9074. doi: 10.1073/pnas.94.17.9069

Figure 1.

Figure 1

Reaction scheme for formation of γ-carboxyglutamic acid and vitamin K epoxide. The vitamin K dialkoxide is the hypothetical very strong base proposed by Dowd et al. (20) that abstracts a proton from the γ-carbon of glutamic acid.