1649
An unusual cysteine triplet conserved in the sequences of TB domains is localized to the hydrophobic core , at the C - terminus of an alpha - helix .
 GENE: TB domains
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: TB domains