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Erv41p is a conserved integral membrane protein that is known to play a role in transport between the endoplasmic reticulum and Golgi apparatus , part of the early secretory pathway of eukaryotes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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