Try here Jena Scientific or Ryan Scientific in the US
http://www.jenabioscience.com/cms/en/1/catalog/1166_tantalum_cluster_derivatization_kit.html Gabriel Birrane Beth Israel Deaconess Medical Center RN325 99 Brookline Ave Boston, MA 02215 USA -----Original Message----- From: CCP4 bulletin board on behalf of Guenter Fritz Sent: Thu 5/14/2009 1:51 PM To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] Source Ta6Br12 for phasing Hi, a follow up question: Which supplier offer Ta6Br12? Thanks, Guenter > My post-doc recently produced a splendid (for its resolution) > ~5A map of a "medium" sized protein-DNA complex using Ta6Br12 > clusters. And he's got a good toehold on a ~340kDa complex > using the same clusters. So I'm recently converted to these > little nuggets. > Phoebe > > --
