19718
beta - Sheet Nanocrystalline Domains Formed from Phosphorylated Serine - Rich Motifs in Caddisfly Larval Silk : A Solid State NMR and XRD Study .
 Chemical: Phosphorylated Serine
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: Phosphorylated Serine