5LGK:
reference: IgE binds asymmetrically to its B cell receptor CD23., Dhaliwal B, Pang MO, Keeble AH, James LK, Gould HJ, McDonnell JM, Sutton BJ, Beavil AJ, Sci Rep. 2017 Mar 31;7:45533. doi: 10.1038/srep45533. PMID: 28361904

This OCA Structure page
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