2687
Treatment of human erythrocytes with 10 microM sodium orthovanadate ( NaOV ), an inhibitor of plasma membrane Ca-ATPase and phosphotyrosine phosphatase , decreased parasitemia by 30%.
 plasma membrane Ca-ATPase, phosphotyrosine phosphatase, human erythrocytes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 plasma membrane Ca-ATPase, phosphotyrosine phosphatase, human erythrocytes