title: Biochemical Machines for the Interconversion of Mutual Information and Work.
abstract: We propose a physically realizable information-driven device consisting of an enzyme in a chemical bath, interacting with pairs of molecules prepared in correlated states. These correlations persist without direct interaction and thus store free energy equal to the mutual information. The enzyme can harness this free energy, and that stored in the individual molecular states, to do chemical work. Alternatively, the enzyme can use the chemical driving to create mutual information. A modified system can function without external intervention, approaching biological systems more closely.
authors.affiliation: Department of Mathematics, Imperial College London, London SW7 2AZ, United Kingdom.
authors.forename: Thomas
authors.initials: T
authors.lastname: McGrath
authors.affiliation: Department of Mathematics, Imperial College London, London SW7 2AZ, United Kingdom.
authors.forename: Nick S
authors.initials: NS
authors.lastname: Jones
authors.affiliation: FOM Institute AMOLF, Science Park 104, 1098 XE Amsterdam, Netherlands.
authors.forename: Pieter Rein
authors.initials: PR
authors.lastname: Ten Wolde
authors.affiliation: Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom.
authors.forename: Thomas E
authors.initials: TE
authors.lastname: Ouldridge