How to improve the expression level of small proteins, such as their MW was less than 20kD?
Does the binding pattern change if the scFv was converted into the Fab or whole antibody? What about other characteristics, such as the affinity, specificity, stability?
05 June 2018 1,674 3 View
In my experiment, the size of dot blot on the NC membrane was different. Sometimes, the coffee ring was formed, in which the signal was less in the centre part. How to resolve this question?
07 August 2017 6,786 0 View
The strain Y258 of yeast was used as the host for expressing the protein because of the deficient in proteases pep 4. Where did the yeast strain Y258 evolution from? What's it the ATCC number?
11 December 2016 1,626 0 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Is it the "elution buffer" or the "dialysis buffer"? Note: I'll be using NanoDrop OneC
01 August 2024 967 3 View
I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...
31 July 2024 225 2 View
I cannot confirm cell surface protein expression by flow cytometry even after transfection and antibiotic selection of cells. Does it take long for proteins to express on the cell surface? the...
28 July 2024 3,178 3 View
I created two potential gene expression cassettes (constitutive and inducible) for expression of a mutant PETase gene on PeptiCloud using the version tree feature, which allows users to create...
28 July 2024 7,559 1 View
I'm having problems with ion exchange chromatography. After applying my sample (a fluorescent protein), a preferential path inevitably forms. The matrix I use is DEAE-Sephacel. Could someone...
27 July 2024 6,605 0 View
I use 0.5% sarkosyl to solubilise recombinant proteins contained in Inclusion bodies of E. coli. sarkosyl very effeciently solubilizes proteins from Inclusion bodies and I am trying to use...
25 July 2024 5,001 2 View
I found that several expression constructs of published protein structures containing an N-teiminal fusion tag GAMGSGIQRPTST. What's the founction of this fusion tag?
23 July 2024 1,353 4 View
"The Correlation between Nutrition and Transport Mechanism under Abiotic Stress in Plants: A Comprehensive Review" by Muhammad Saleem, Jianhua Zhang, Muhammad Qasim, Rashid Iqbal, and Li Song,...
23 July 2024 9,109 0 View
Hello! We are using LNP to deliver circular mRNA into T cells. However, compared with linear mRNA, the transfection efficiency and protein expression duration are similar. Are LNP generation or...
21 July 2024 4,322 1 View