Cleavage of a tail-anchored protein by signal peptidase |
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Authors: | Nilsson IngMarie Johnson Arthur E von Heijne Gunnar |
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Affiliation: | Department of Biochemistry and Biophysics, Stockholm University, SE-106 91, Stockholm, Sweden. |
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Abstract: | Tail-anchored proteins are post-translationally targeted and inserted into the endoplasmic reticulum membrane. They do not use the co-translational signal-recognition particle (SRP)-dependent pathway, but rather utilize an ill-defined, ATP-dependent mechanism. Here, we show that a tail-anchored protein can be cleaved by signal peptidase and that the sequence requirements for efficient cleavage seem to be the same as for cleavage of co-translationally targeted SRP-dependent proteins. |
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