6SZW:
reference: Factor XII and kininogen asymmetric assembly with gC1qR/C1QBP/P32 is governed by allostery., Kaira BG, Slater A, McCrae KR, Dreveny I, Sumya UM, Mutch NJ, Searle M, Emsley J, Blood. 2020 Jun 19. pii: 461064. doi: 10.1182/blood.2020004818. PMID: 32559765

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