Hi all,
For the imaging of fine structure on the surface of spike proteins, I want to try to cleave glycans on the protein surface. Is there any enzyme/method that can be used to do it without destroying the trimer structure? Thanks!
Dear peer scientists, Ultradry storage is not suitable for recalcitrant seeds. However, theoretically, if we can stabilize the structure of the subcellular membrane, as well as glassify the...
25 February 2021 2,442 1 View
24 February 2021 3,348 2 View
23 February 2021 7,826 2 View
23 February 2021 4,014 3 View
Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...
21 February 2021 5,899 4 View
I am trying to in vitro transcribe some fluorescein labeled ssRNA. And I want to purify the ssRNA from the free NTPs and the enzymes (RNA polymerase and DNase I). Due to the characteristic of the...
18 February 2021 4,392 4 View
I can find several papers that give me a guide for choosing a suitable aptamer sequence 1. But how to find a property aptamer sequence 2(partially complementary to sequence 1)?
09 February 2021 3,511 1 View
Do anyone have a full MATLAB code for structural topology optimization using Genetic Algorithm? Such as a cantilever beam? Could you provide some MATLAB code to me , a beginner for GA. Thank...
03 February 2021 3,789 5 View
Hi Everyone: I have a question regarding to qPCR. I am trying to do RT-PCR, and I want to have equal amount of input DNA for my RT-PCR, so I normalize my DNA input based on qPCR values of a...
31 January 2021 6,977 4 View
Hi Everyone: I want to quantify the relative amount of a protein in 2 samples. I will first digest the sample with trypsin, and subject the resulting peptides to LC-MS/MS analysis. I will then...
25 January 2021 8,333 3 View
I have Heparanase III and Chondroitinase ABC which I would like to use to cleave the heparan sulfate and chondroitin sulfate chains off their core proteins before I run the samples on a western...
27 January 2020 496 1 View
I am trying to extract N-glycosylated proteins starting from 10 g of frozen plant lmaterial but I am facing a real problem with phenolics and oxidations. The protein solution is very dark...
06 January 2020 3,534 14 View
31 December 2019 1,792 1 View
31 December 2019 3,849 14 View
I am trying to purify glycosylated fibronectin from serum samples. Unfortunately, there is no specific antibody against glycosylated fibronectin. So, I want to use lectin-based affinity...
11 September 2019 1,426 3 View
Can a human recombinant glycoprotein produced in mammalian cell culture lose part of its sialic acid residues due to changing conditions in the culture or the purification of the protein? Any...
17 May 2019 9,954 3 View
04 May 2019 5,218 3 View
I have a sample of glycans which were removed via enzyme (this enzyme is glycerol-free), however my NMR spectrum showed a ton of glycerol. I want to recover the glycans, but remove the glycerol....
11 December 2018 6,890 3 View
I want to perform reductive amination of glycans using sodium cyanoborohydride as the reducing agent. Is there any advice on how to handle the reaction products, e.g. neutralise left over reducing...
31 December 2017 9,865 2 View
Mucins are rich in o-glycans. What exactly make them slimy? (The chemical nature)
01 February 2017 3,814 0 View