Store › SPY555-Tubulin 100 stainings SPY555-Tubulin 100 stainings $1,040.00 Quantity: Add To Cart Added! SPY555-tubulin is a bright orange, fluorogenic, cell permeable and highly specific live cell probe for fluorescence imaging of microtubules SPY555-tubulin is a bright orange, fluorogenic, cell permeable and highly specific live cell probe for fluorescence imaging of microtubules