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Comparison of the footprint patterns of the mouse and human HPRT genes demonstrated that the in vivo binding of regulatory proteins between these species is generally conserved but not identical .
 GENE: mouse and human HPRT genes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: mouse and human HPRT genes