24603
Therefore , in addition to its previously described functions , synaptotagmin - 1 is involved in a rapid vesicular Ca ( 2 + ) sequestration through a Ca ( 2 + ) / H ( + ) antiport .
 Chemical: Ca ( 2 + ); Chemical: Ca ( 2 + ); Chemical: H ( + )
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: Ca ( 2 + ); Chemical: Ca ( 2 + ); Chemical: H ( + )