28570
For bacterial rhomboid GlpG , it has been proposed that one of the protease ' s transmembrane helices ( S5 ) can rotate to open a lateral gate , enabling substrate to enter the protease from inside the membrane .
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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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