| 3RG1: reference: An unusual dimeric structure and assembly for TLR4 regulator RP105-MD-1., Yoon SI, Hong M, Wilson IA, Nat Struct Mol Biol. 2011 Aug 21;18(9):1028-35. doi: 10.1038/nsmb.2106. PMID: 21857663 |
This OCA 
Structure page
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(documentation).