Correction: Corrigendum: The PURE system for the cell-free synthesis of membrane proteins

Nat. Protoc. 10, 1328–1344 (2015); published online 13 August 2015; corrected after print 6 January 2016 In the version of this article initially published, the units for concentration of the FD component listed in Table 1 are incorrect. The correct unit should be μg/ml. The spelling of the 'PUREflex' kit was also incorrect and has been changed to PUREfrex throughout.