Ici, une variation nous faisant passer du micocosme au macrocosme, avec vol aggravé de sucre par bandit en trompe-l'oeuil et cravate blanche.

From outside ! Dr (α) Jekyl and Mister (β) Hyde. NusG homologs regulate transcription and coupled processes in all living organisms. The Escherichia coli (E. coli) two-domain paralogs NusG and RfaH have been shown in a recent Cell paper to bear identical N-terminal domains (NTDs) but dramatically different carboxy-terminal domains (CTDs), a β barrel in NusG and an α hairpin in RfaH.