3N5A:
reference: Structural and mutational analysis of functional differentiation between synaptotagmins-1 and -7., Xue M, Craig TK, Shin OH, Li L, Brautigam CA, Tomchick DR, Sudhof TC, Rosenmund C, Rizo J, PLoS One. 2010 Sep 2;5(9). pii: e12544. PMID: 20824061

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