12198
Here , we found that expression of the PLP1 - A243V mutant , which causes severe disease , depletes some ER chaperones with a KDEL ( Lys - Asp - Glu - Leu ) motif , in HeLa cells , MO3 . 13 oligodendrocytic cells , and primary oligodendrocytes .
 Chemical: Lys - Asp - Glu - Leu
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Lys - Asp - Glu - Leu