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. 1990 Apr;57(4):689–696. doi: 10.1016/S0006-3495(90)82590-X

Kinetics of a multistate enzyme in a large oscillating field.

B Robertson 1, R D Astumian 1
PMCID: PMC1280771  PMID: 2344459

Abstract

A simple, general, and efficient method for calculating the response of a set of coupled first-order (or pseudo-first-order) chemical reactions to an arbitrarily large periodic field is described. The method is applied to a four-state membrane transport enzyme that is electroconformationally coupled to an ac field, i.e., the enzyme has electric charges that move concomitantly with a conformational transition. The calculation is done both for enzymes in a planar membrane and for enzymes in the spherical membrane of a cell or vesicle in suspension.

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Selected References

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