File Name : fig. s1.tif Caption : figure s1. structures for cuaac reaction used in this study. File Name : fig. s2.tif Caption : figure s2. optimization of hpg incorporation concentration. File Name : fig. s3.tif Caption : figure s3. optimization of hpg incorporation time. File Name : fig. s4.tif Caption : figure s4. workflow of autophagy protein degradation. File Name : fig. s5.tif Caption : figure s5. verification of purity of secreted proteins.