1582
However , by immobilized metal affinity chromatography assay , self - association of PR - A was 3 . 5 - fold more efficient than that of either the DhLBD or hLBD constructs .
 GENE: PR - A
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: PR - A