1940
Each recombinant product was a fusion protein with a B domain of Staphylococcal protein A ( SPA ) .
 GENE: Staphylococcal protein A; GENE: SPA
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: Staphylococcal protein A; GENE: SPA