403
Native human erythrocyte NDP kinase protein inhibited the induction of erythroid differentiation of HEL , KU812 and K562 cells , but not the induction of monocytic or granulocytic differentiation of HL-60 , U937 and HEL/S cells .
 ( protein: Native human erythrocyte NDP kinase protein, None) , ( cell line: HEL/S, None) , ( cell line: HL-60, None) , ( cell line: U937, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Native human erythrocyte NDP kinase protein, None) , ( cell line: HEL/S, None) , ( cell line: HL-60, None) , ( cell line: U937, None) 