- Expression in Escherichia coli of the lpdA gene, protein sequence analysis and immunological characterization of the P64k protein from Neisseria meningitidis. Guillén, G., Alvarez, A., Silva, R., Morera, V., González, S., Musacchio, A., Besada, V., Coizeau, E., Caballero, E., Nazabal, C., Carmenate, T., González, L.J., Estrada, R., Támbara, Y., Padrón, G., Herrera, L. Biotechnol. Appl. Biochem. (1998)