9012
Tctex - 1 binding required the first 19 amino acids of Fyn and integrity of two lysine residues within this sequence that were previously shown to be important for Fyn interactions with the immunoreceptor tyrosine - based activation motifs ( ITAMs ) of lymphocyte Ag receptors .
 GENE: Tctex - 1; GENE: Fyn; GENE: Fyn; GENE: lymphocyte Ag receptors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Tctex - 1, Fyn, Fyn, lymphocyte Ag receptors 
Answer:
 GENE: Tctex - 1; GENE: Fyn; GENE: Fyn; GENE: lymphocyte Ag receptors