1153
Phosphorylated tyrosine residues were subsequently identified by sequencing the separated phosphopeptides by matrix assisted laser desorption ionization mass spectrometry ( MALDI - MS ) and Edman degradation .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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