2565
Partial N - terminal amino acid sequence analysis showed that the 43K and 42K T antigens contain methionine at residues 1 and 5 , as predicted from the DNA sequence , whereas no methionine was released from the 39K T antigen during the first six cycles of Edman degradation .
 GENE: 43K and 42K T antigens; GENE: 39K T antigen
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: 43K and 42K T antigens, 39K T antigen 
Answer:
 GENE: 43K and 42K T antigens; GENE: 39K T antigen