Human 4-1BBL / CD137L 蛋白, DDDDK tag

"Pull down assay of GTX65634-pro CD137L protein (DDDDK tagged) by hCD137-Fc.
1. hCD137-Fc + hCD137L-DDDDDK-tag
2. hCD137-Fc + hGITRL-DDDDDK-tag
3. hCD137-Fc + hGITRL-His-tag
4. hGITR-Fc + hCD137L-DDDDDK-tag
5. hGITR-Fc + hGITRL-DDDDDK-tag"