Vacaville, Calif. is home to a burgeoning biotech hub. And there’s more to Vacaville’s biomanufacturing industry than Genentech’s presence there. “Genentech is just one of the biotech companies to open in Vacaville,” said Don Burrus, the city’s director of economic development services. “We’ve had biomanufacturers here for almost 30 years.” Genentech set up shop in…