1499
Cytohesin - 1 , a protein abundant in cells of the immune system , has been proposed to be a human homolog of the Saccharomyces cerevisiae Sec7 gene product , which is crucial in protein transport .
 GENE: Cytohesin - 1; GENE: Saccharomyces cerevisiae Sec7 gene product
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: Cytohesin - 1; GENE: Saccharomyces cerevisiae Sec7 gene product