"1991Z"^^ . . "1991-09-09Z"^^ . . . . "American biochemsit" . . "1913Z"^^ . "Efraim Racker"@en . "Racker, Efraim"@en . "Efraim Racker (June 28, 1913 \u2013 September 9, 1991) was an Austrian biochemist who was responsible for identifying and purifying Factor 1 (F1), the first part of the ATP synthase enzyme to be characterised. F1 is only a part of a larger ATP synthase complex known as Complex V. It is a peripheral membrane protein attached to component Fo, which is integral to the membrane."@en . "1913-06-28Z"^^ . . . .