10364
Furthermore , analyses of bsta gene - trap murine embryonic stem cells revealed an essential function for BSTA and phosphorylation of Akt1 at Ser 4 7 (3) in promoting adipocyte differentiation , which required suppression of the expression of the gene encoding the transcription factor FoxC2 .
 Chemical: Ser
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: Ser