23532
Evaluation and comparison of the specific activities of the enzymes ( WT , WTcat , W40A , and W40Acat ) adsorbed on crystalline cellulose indicated that Trp40 is involved in recruiting individual substrate chains into the active site tunnel to initiate processive hydrolysis .
 Chemical: Trp40
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: Trp40