The district administration has mooted a ‘portal-frame structure flyover’ to decongest Vyttila, the biggest and busiest junction in the State. Bearing a close resemblance to a clover-leaf structure, ...

Tailed bacteriophages and herpesviruses translocate their genome into and out of their capsid (or ‘head’) through a 12-fold symmetric portal protein assembly (or simply ‘portal’), located at a special ...