3627
Specifically , alpha 6 beta 4 integrin localizes to large lamellipodial extensions , displays reduced dynamics , and fails to recruit its bullous pemphigoid antigen binding partners .
 None
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:  
Answer:
 None