look for E.coli DB3.1 bacteria - (Sep/24/2009 )

I need E.coli DB3.1 bacteria to do experiments , But I can not find it ，who have this bacteria, please help
me . I need your help.
Thanks

You'll probably get a better response if you post this over in the molecular cloning section of the forum.

Invitrogen do not sell DB3.1 any more, they have a replacement for DB3.1
http://products.invitrogen.com/ivgn/produc...=Search-Product