14615
However , the presence of an aspartate residue instead of Ser ( 2 ) is toxic for cells reaching the stationary phase , which show a less - pronounced protein synthesis arrest and a decreased amount of eIF5A in dense fractions of sucrose gradients .
 Chemical: aspartate; Chemical: Ser; Chemical: sucrose
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: aspartate, Ser, sucrose 
Answer:
 Chemical: aspartate; Chemical: Ser; Chemical: sucrose