1963
Competitive mobility shift assays using either alphaT3 - 1 nuclear extract or recombinant SF - 1 protein clearly indicated that SF - 1 is able to interact specifically with this GSE element positioned at - 134 .
 GENE: recombinant SF - 1 protein; GENE: SF - 1; GENE: GSE element
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: recombinant SF - 1 protein; GENE: SF - 1; GENE: GSE element