1B89:
reference: Clathrin self-assembly is mediated by a tandemly repeated superhelix., Ybe JA, Brodsky FM, Hofmann K, Lin K, Liu SH, Chen L, Earnest TN, Fletterick RJ, Hwang PK, Nature 1999 May 27;399(6734):371-5. PMID: 10360576

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