Signal recognition particle( SRP)-- a particle composed of proteins and7 SL RNA that binds to signal sequences and targets polypeptide chains to the endoplasmic reticulum.

 
  • 讯息(挥)列--蛋白质末端的一段疏水性氨基酸,在细菌中引导蛋白质分泌或在真核细胞中将蛋白质并入内质网。
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