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. 2002 Jun;13(6):1953–1964. doi: 10.1091/mbc.02-02-0022.

Figure 7.

Figure 7

ER contains a significant amount of p protein. (A) Percoll gradient of PNS from melan-a cells. The dense fractions are on the left and light fractions are on the right. Immunoblotting was performed with ER marker Grp78/bip, ribophorin, p antibody, Golgi marker syntaxin 6, αPep7, and αPep13. (B) Sucrose gradient analysis of total granule fractions from melan-a cells. The lighter fractions are on the left and dense fractions are on the right. Immunoblotting was performed with ER markers Grp78/bip, ribophorin, p antibody, syntaxin 6, and αPep7.