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Axial Helical Projection of the GCN4-pVe and GCN4-pVg Sequences
GCN4-pVe differs from GCN4-pVg only at the three charged e and g positions (bold). The view is from the N termini. Heptad-repeat positions are labeled a–g. The sequence of GCN4-pVe is MK VKQLVDK VEELLSK NYHLVNE VARLVKL VGER; the sequence of GCN4-pVg is MK VKQLEDV VEELLSV NYHLENV VARLKKL VGER.
