\input zb-basic \input zb-ioport \iteman{io-port 05765808} \itemau{Percudani, Riccardo; Peracchi, Alessio} \itemti{The B6 database: a tool for the description and classification of vitamin B6-dependent enzymatic activities and of the corresponding protein families.} \itemso{BMC Bioinform. 10, 273 (2009).} \itemcc{} \itemut{} \itemli{doi:10.1186/1471-2105-10-273} \end