2453
Western blot experiments detected SMBP as a 70 kDa protein that may be further cleaved into an active 34 kDa N - terminal polypeptide .
 GENE: SMBP
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: SMBP