Cy3 supplier

[R. John Lye]

Neil McKenna wrote:

> I am having difficulty finding a supplier of the cyanine dye Cy3 with
> which I would like to label monoclonals.

The Cy dyes are a product of Amersham.

> I am wondering if anyone out
> there knows of a supplier and/or a simple way to covalently attach the
> dye which doesn't use an expensive kit (!), I would be very
> appreciative!

Amersham sells kits for labelling proteins with their Cy dyes, but
I don't know what you consider expensive.

Hope that helps,
John