R. Yasuda et al., ROTATION OF THE GAMMA-SUBUNIT IN F1-ATPASE - EVIDENCE THAT ATP SYNTHASE IS A ROTARY MOTOR ENZYME, Journal of bioenergetics and biomembranes, 29(3), 1997, pp. 207-209
ATP-dependent, azide-sensitive rotation of the gamma subunit relative
to the alpha(3) beta(3) hexagonal ring of ATP synthase was observed wi
th a single molecule imaging system. Thus, ATP synthase is a rotary mo
tor enzyme, the first ever found.