29559
Interestingly , SB203580 , a selective inhibitor of p38 MAPK , blocked STIM1 phosphorylation and led to sustained STIM1 - puncta formation and Ca2 + entry .
 Chemical: SB203580; Chemical: Ca2 +
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: SB203580; Chemical: Ca2 +