期刊
CURRENT OPINION IN CELL BIOLOGY
卷 13, 期 4, 页码 431-437出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/S0955-0674(00)00233-7
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The process of 'quality control' in the endoplasmic reticulum (ER) involves a variety of mechanisms that collectively ensure that only correctly folded, assembled and modified proteins are transported along the secretory pathway. In contrast, nonnative proteins are retained and eventually targeted for degradation. Recent work provides the first structural insights into the process of glycoprotein folding in the ER involving the lectin chaperones calnexin and calreticulin. Underlying principles governing the choice of chaperone system engaged by different proteins have also been discovered.
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