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Re: [ccp4bb] Protein-detergent micelle sizes |
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- Protein crystallographyMain steps:- Protein purification- Crystallisation Special:- Programs for crystallography- X-ray detectors Basic tutorials:- Chemistry- Protein - Peptide - Amino Acids Xtal community:- CCP4BB |
CCP4bb navigationCCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999Subject: Re: Protein-detergent micelle sizes From: Edward Berry eaberry {- at -} LBL {- dot -} GOV Date: 2007-11-20 In case you end up compiling your own list, here is one entry: von Jagow and co-workers (Biochim Biophys Acta. 1977 462(3):549-58.) used tritiated Triton X-100 to measure the binding to Complex III "5. In accordance with the high polarity the amount of bound detergent is relatively low, it amounts to 0.2 g Triton X-100/g protein. The amount of Triton bound to 1 mol of b-c1-dimer corresponds to the molecular weight of the Triton micelle." The bc1 dimer MW is ~480 kDa, so .2 g/g -> 96 kDa detergent Jacob Keller wrote: > Dear Crystallographers, > > I am trying to gather literature values on the size of the > detergent/micelle belts on solublized membrane proteins. Does anybody > know of a good repository of this info, whether as a database or as a > review paper, or otherwise? The rough values of 15-25kD to 35-50kD were > given in one recent BB posting, but I was looking for a more systematic > tabulation... > > Thanks, > > Jacob Keller > > ******************************************* > Jacob Pearson Keller > Northwestern University > Medical Scientist Training Program > Dallos Laboratory > F. Searle 1-240 > 2240 Campus Drive > Evanston IL 60208 > lab: 847.467.4049 > cel: 773.608.9185 > email: j-keller2@northwestern.edu > ******************************************* CCP4bb navigationCCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999 |
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