BibTex format
@article{1988:10.1038/335745a0,
doi = {10.1038/335745a0},
journal = {Nature},
pages = {745--746},
title = {A protein sequence/structure database. Protein Engineering Club Database Group.},
url = {http://dx.doi.org/10.1038/335745a0},
volume = {335},
year = {1988}
}