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IC50 values for an expanded set of curcumin analogues established a rank order of potencies , and analyses of IKK beta and AKT2 enzyme kinetics for 4 revealed a mixed inhibition model , ATP competition dominating .
 Chemical: curcumin; Chemical: ATP
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: curcumin; Chemical: ATP