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However , mutation of the highly conserved serine - 994 to alanine in the ATP hydrolysis motif in the SMC6 C - terminal domain , resulted in mice with a surprisingly mild phenotype .
 Chemical: serine; Chemical: alanine; 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: serine; Chemical: alanine; Chemical: ATP