549
This includes a very low apparent dissociation constant ( Kd ) of 0.1 nM for both aldosterone and the effect on the Na(+)-H(+)-antiport , a high turnover rate, and the almost exclusive binding selectivity for aldosterone .
 protein: Na(+)-H(+)-antiport
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Na(+)-H(+)-antiport