15046
Prevention of the phosphorylation of Ser ( 777 ) in FGFR1 or mutation of Ser ( 777 ) to alanine enhanced FGF - stimulated receptor tyrosine phosphorylation and increased cell proliferation , cell migration , and axonal growth .
 Chemical: Ser; Chemical: Ser; Chemical: alanine; Chemical: tyrosine
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; Chemical: Ser; Chemical: alanine; Chemical: tyrosine