@article{articlea672e837,
title   = {Molecular determinants of improved cathepsin B inhibition by new cystatins obtained by DNA shuffling},
author = {Valadares, Napoleão F. and Dellamano, Márcia and Costa, Andréa Soares and Silva, Flávio Henrique and Garratt, Richard Charles},
year = {2010},
doi = {10.1186/1472-6807-10-30},
journal   = {BMC Structural Biology}
}