5414
As an approach to elucidating dopamine transporter ( DAT ) phosphorylation characteristics , we examined in vitro phosphorylation of a recombinant rat DAT N - terminal peptide ( NDAT ) using purified protein kinases .
 Chemical: dopamine; Chemical: N
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: dopamine; Chemical: N