Which is true of the K⁺channel but NOT of an aquaporin? A) Selectivity is achieved through interactions with backbone NH groups. B) It contains $\alpha$-helices. C) It is an active transporter. D) Selectivity is assisted through inverted $\alpha$-helix dipoles.

Question

Quizplus · Accepted Answer

The K⁺ channel achieves selectivity through interactions with backbone NH groups, a feature that distinguishes it from aquaporins. Aquaporins typically use a different mechanism for selectivity, involving size exclusion and/or specific interactions with the pore-lining residues, rather than primarily relying on backbone NH group interactions.

Which Is True of the K+ channel but NOT of an Aquaporin

Which Is True of the K⁺channel but NOT of an Aquaporin