5084
Unphosphorylated phospholamban migrated with an apparent Mr = 25 , 000 in SDS gels ; maximal phosphorylation of phospholamban by cAMP - or Ca2 + - calmodulin - dependent protein kinase increased the apparent Mr to 27 , 000 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
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