21555
The effect of a unique halide - stabilizing residue on the catalytic properties of haloalkane dehalogenase DatA from Agrobacterium tumefaciens C58 .
 Chemical: halide; Chemical: haloalkane
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: halide, haloalkane 
Answer:
 Chemical: halide; Chemical: haloalkane