8404
HldA is structurally similar to members of the PfkB carbohydrate kinase family and appears to catalyze heptose phosphorylation via an in - line mechanism mediated mainly by a conserved aspartate , Asp270 .
 Chemical: carbohydrate; Chemical: heptose; Chemical: aspartate; Chemical: Asp270
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: carbohydrate; Chemical: heptose; Chemical: aspartate; Chemical: Asp270