3951
The partners of nuclear ER include SRC1 - 3 , HDACs and ER beta itself as well as newly identified proteins , such as E6 - AP , LKB1 , PELP1 , PAX - 2 and FOXA1 .
 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