I need to generate Fab and Fc fragment with Papain and Fab' with pepsin to check the interaction with my ligand. I need to know the protocol for the digestion with papain and pepsin?
This is a protocol for pepsin digestion of IgG.
Article A protocol for 'enhanced pepsin digestion': A step by step m...
Article Enhanced pepsin digestion: A novel process for purifying ant...
You need a book named "Antibodies: a laboratory manual"Edward Harlow, David Lane. Cold Spring Harbor Laboratory, 1988 - 726 página.
Check out FabRICATOR for a single cleavage site below the hinge!
http://www.genovis.com/fabricator
I was wondering if euthanizing mice by carbon dioxide inhalation would cause activation of NF-kB inflammatory response?
26 January 2021 4,096 2 View
I am working on experiment where i want EVA to dissolve in some solvent. can anyone suggest me solvent to use ?
06 January 2021 4,251 3 View
#autodock #virtualscreening Question1: Am I doing this right , means do setting up conda on server works for virtual screening (AUTODOCK)? Question2: How can I modify the script (submit4.py)...
06 December 2020 2,424 3 View
I am trying to express and isolate a protein in E. coli. The protein is supposed to have high prevalence of non-polar residues. Would that create problems in isolating the protein using a His tag...
08 September 2020 9,584 3 View
The protein I'm working with forms a homodimer and is a 2-domain protein. I have cloned and purified one of its domains. However, when I run the domain on SDS-PAGE, I get a single band equivalent...
19 August 2020 7,893 14 View
I want the dimeric structure of a protein (forms dimer) in .pdb format. The crystal structure of the protein is solved. However, the .pdb file at RCSB PDB is of the monomeric structure. Thanks...
09 July 2020 3,086 4 View
I have some data of radiances over latitude and longitude. When we do fft, the frequency window is from -fs/2 to fs/2. But, when we do fft2, what will be in the x axis and y axis? -spatial...
16 November 2019 8,956 3 View
Lets say, I have 10 randomly generated bits (0's and 1's) in matlab. From my other parameter calculations, I have about 5 samples, this means 1 bit/5 samples (each bit is replicated 5 times). My...
04 November 2019 6,514 3 View
I am stimulating my cultured cells and recording calcium activity as fluorescence change using live-cell calcium imaging. Though I am more concerned about the decay of the signals, for which I am...
23 October 2019 3,842 6 View
The final solution of AgNPs is pale yellow (I took the UV-Vis Spectra max) and then the solution was centrifuged thrice to obtain pure NPs i.e., dark colored (also took the UV-Vis Spectra max). So...
30 June 2019 7,758 5 View
I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...
01 March 2021 9,310 4 View
Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...
01 March 2021 2,622 3 View
I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...
28 February 2021 4,521 3 View
I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...
28 February 2021 7,127 2 View
I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...
28 February 2021 7,370 3 View
I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?
25 February 2021 9,761 1 View
I am trying to clone 2 copies of the same mammalian gene into the pSF-CMV-Ub-Puro Ascl (contains HindIII, KpnI and NheI cut sites) plasmid. This is what the final product is supposed to look like...
24 February 2021 6,310 3 View
Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...
24 February 2021 5,749 3 View
How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...
24 February 2021 166 6 View
Hello, I am running a sandwich-type ELISA where I am trying to inhibit a protein-protein interaction using small molecules. For each experiment, I determine my Z' (Z-prime) to determine the...
23 February 2021 7,429 1 View