4838
The patient was found to be homozygous for a C - - > T transition in exon IV that results in the substitution of a highly conserved threonine residue at amino acid 274 with a methionine ( T274M ) .
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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:
 None