If you use this service, could you please send us a mail to npsang@ibcp.fr with details about your usage of the NPSA service (tools used, frequency, type of sequence, ..) ?
Could you explain what makes this service unique for you ?
Could you please add information about your country and your laboratory ?
Thanks
Amino-acid composition help
The amino-acid composition
It' a simple tool giving you the amino-acid composition of your protein, its mass (Da) and the theoretical molecular epsilon at 280 nm.