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Hello,
how did you express your protein? Maybe the Se is only partially occupied
(and partially by S), causing this effect.
Tim
--
Tim Gruene
Institut fuer anorganische Chemie
Tammannstr. 4
D-37077 Goettingen
GPG Key ID = A46BEE1A
On Sat, 23 Dec 2006, Page, Rebecca wrote:
CCP4ers,
I am refining a structure with a selenomethionine residue in refmac.
The b-factor for the SeMet CE atom is a factor of 10 less than that of
the Se (Se ~40, Ce ~4).
Has anyone seen this or know where it comes from. I checked the MSE
definition file, and the atoms are defined properly.
Thanks in advance,
Rebecca
email: [EMAIL PROTECTED]