For the discovery proteomics, with a bottom-up approach, the first step after the denaturation is to digest a mixture of proteins in samples to obtain a mixture of peptides. Then, the mixture of peptides is analyzed under LCMS, leading to MS and MS/MS spectrum of peptides. I wonder how we can identify the structure of proteins in the original samples because the MS and MS/MS spectrum obtained with the bottom-up approach are the spectrum of all peptides generated from all the original proteins not the spectrum of all peptides generated from a single protein.
For the discovery proteomics, with a bottom-up approach, the first step after the denaturation is to digest a mixture of proteins in samples to obtain a mixture of peptides. Then, the mixture of peptides is analyzed under LCMS, leading to MS and MS/MS spectrum of peptides. I wonder how we can identify the structure of proteins in the original samples because the MS and MS/MS spectrum obtained with the bottom-up approach are the spectrum of all peptides generated from all the original proteins not the spectrum of all peptides generated from a single protein.
This is extremely helpful. Thank you, Dr. Gao!
Awesome please make video on illumina sequencing
wow it was really helpful presentation Thanks a lot.
Wonderful