29940
Our earlier efforts identified two structural classes of human MetAP1 ( HsMetAP1 ) - selective inhibitors ( 1 - 4 ) , but all of them failed to inhibit cellular HsMetAP1 .
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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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