Rab2 interacts directly with atypical protein kinase C (aPKC) iota/lambda and inhibits aPKCiota/lambda-dependent glyceraldehyde-3-phosphate dehydrogenase phosphorylation.

Abstract excerpt

Atypical protein kinase C iota/lambda (PKCiota/lambda) is essential for protein transport in the early secretory pathway. The small GTPase Rab2 selectively recruits the kinase to vesicular tubular clusters (VTCs) where PKCiota/lambda phosphorylates glyceraldehyde-3-phosphate dehydrogenase (GAPDH). VTCs are composed of small vesicles and tubules and serve as transport intermediates that shuttle cargo from the...

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