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Structures of microviridin J and microviridin B together with microviridin J‐ and microviridin B‐type chemical probes employing either the affinity tag N ϵ ‐biotinyl‐l‐lysine (2; 5), O‐propargyl‐l‐tyrosine as a clickable handle (3) or a dansyl moiety as a fluorophore (6).
