Figure 1 | Scientific Reports

Figure 1

From: Click chemistry-based tracking reveals putative cell wall-located auxin binding sites in expanding cells

Figure 1

Molecular structures of the relevant compounds. (a) The molecular structures of IAA, L-tryptophan, IPA and (b) IPA-N3. Note the differences in the C2 carbon. (b) IPA-N3 can be reacted to an alkyne-functionalized tag via Huisgen dipolar 1,3-cycloaddition. (c) Structure of the used control compounds bearing azido and carboxy group: 2-azido-3-benzyloxypropionic acid (BOPA-N3) and azido acetic acid (N3-AcOH).

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