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visits member for 2 years, 9 months
seen 6 hours ago

Nov
9
answered JMol “calculate HBONDS”: which atom is the donor/acceptor?
Oct
16
awarded  Revival
Oct
11
accepted How are memories stored in the brain?
Oct
11
answered How do I prepare a PDB for submission to the Protein Data Bank?
Sep
25
awarded  Commentator
Sep
25
comment Why did mammals evolve to have two testes?
I guess the same could be asked of ovaries
Sep
21
asked How are memories stored in the brain?
Sep
20
accepted In the vacuum of space would death be instantaneous?
Sep
20
asked In the vacuum of space would death be instantaneous?
Sep
5
awarded  Nice Question
Aug
30
accepted Is there a biological basis for different accents?
Aug
30
accepted What Defines a Food as Edible?
Aug
28
asked What Defines a Food as Edible?
Aug
22
accepted Determining if a Protein Model Contains a Backbone Clash
Aug
22
comment Determining if a Protein Model Contains a Backbone Clash
I am assuming that the variables a and b represent atomic radii of the two respective atoms. So a_x is the atomic radii of a * the x co-ordinate? Wont this equation return an error if I try to square root a -ve number? To determine a steric clash I add the radii of atoms a and b and if this value is greater than the value from the equation I have a clash?
Aug
22
asked Determining if a Protein Model Contains a Backbone Clash
Jul
22
comment What role does a protein's size have on protein-protein interactions?
Do you mean size in 3D space or mass?
Jul
11
comment Calculating Protein Concentration from Kilo Units (KU)
After some serious thinking it is possible to calculate the mg. On the website it states there is 350-600 units/mg protein. So if I bought the 1KU to work out the mg and assuming I receive 600 units I would divide 600/1000 = 0.6 mg. I completely missed the obvious here.
Jul
11
comment Calculating Protein Concentration from Kilo Units (KU)
What about in the paper I referenced? They calculated the concentration of calmodulin to be approximately 75um.
Jul
11
revised Calculating Protein Concentration from Kilo Units (KU)
edited body