@article{McCammon_1981,
title={Gated binding of ligands to proteins},
volume={293},
ISSN={1476-4687},
url={http://dx.doi.org/10.1038/293316a0},
DOI={10.1038/293316a0},
number={5830},
journal={Nature},
publisher={Springer Science and Business Media LLC},
author={McCammon,
J. Andrew and Northrup,
Scott H.},
year={1981},
month=sep,
pages={316–317} }