BL21 and DH5alpha

[Duncan Clark]

Historians believe that in newspost 
<%KW5a.1377$XR3.40892 at news.itd.umich.edu> on Sat, 22 Feb 2003, fisher 
<foolio_j88 at yahoo.com> penned the following literary masterpiece:
>What's the difference between these two??

Genotype:

BL21
http://www.novagen.com/docs/ndis/C183-000.pdf
page 16

DH5alpha

GENOTYPE: F' Phi80dlacZ DeltaM15 Delta(lacZYA-argF)U169 deoR recA1 endA1 
hsdR17(rK-mK+)phoA supE44 lambda- thi-1

Plus BL21 is an E.coli B strain whilst DH5 is K12

Duncan
-- 
I love deadlines. I especially like the whooshing noise they make as
they go flying by.

Duncan Clark
GeneSys Ltd.