4008
Changes of any cysteine residue of the hRAR alpha-LBD had no significant influence on the binding of all-trans RA or 9-cis RA .
 ( protein: hRAR alpha-LBD, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: hRAR alpha-LBD, None) 