3495
The alpha 1 - protease inhibitor , or alpha - antitrypsin ( AAT ) , a major plasma inhibitor of leukocyte elastase and bacterial proteases , is encoded at the PI locus on chromosome 14 ( 14q24 . 3 - q32 . 1 ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
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