How to query domain information for a set of proteins?

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How to find the domain information for a set of proteins?

I known the Pfam database provide the domain information, and we can search a protein's domain information by using the following website, but how to obtain the domain information for a large set...

03 April 2017 1,885 4 View

Is there a biomarker database for certain disease ?

Is there a biomarker database for certain disease ? such as hepatitides , lung cancer or breast cancer ...

10 November 2015 1,657 7 View

Can I use a HisTRAP column for affinity chromatography?

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

How much Yeast should we add to fermentation media?

I have prepared a liquid broth containing Yeast (S. Cerevisiae) that i need to add from it to fermentation media of lignocellulosic hydrolysate. I need to know based on what parameters do we add...

06 August 2024 662 1 View

Does anyone have issues using Prepman Ultra reagent for MicroSeq ID bacterial, fungal and yeast sample preparation?

I have been attempting to extract DNA from Bacterial, Fungal and Yeast banked samples (>1e7 cells) using Prepman Ultra reagent and I seem to be struggling to obtain a sequence. Although the...

01 August 2024 2,079 0 View

What is the best blank for nanodrop if I want to read a recombinant protein concentration?

Is it the "elution buffer" or the "dialysis buffer"? Note: I'll be using NanoDrop OneC

01 August 2024 967 3 View

Problems with ion exchange chromatography?

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

How do regenerate Amberlite XAD 4 resin for further cycles of use for removing 0.5% Sarkosyl from recombinant protein solutions?

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

How do nutrient transporters and aquaporins interact under abiotic stress in plants?

"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

Consequences of excess bases in the MCS after digestion?

Good morning, I am trying to produce a recombinant protein. Unfortunately I one of the two restriction enzymes that I use do not cut at the end of the MCS. After the digestion 15 nucleotides of...

17 July 2024 2,787 4 View

Solvent recovery after extraction - Separation of Isopropanol + Water - how to do it best?

I want to make some yeast extractions with a protocol that uses Isopropanol and NaOH. So in the end i will have an azeotrope of Isopropanol and Water that comes from the cell and NaOH. Can you...

08 July 2024 9,201 2 View

Why my yeast colony PCR gel has one specific band , but the size is incorrect even when the plasmid DNA that is originally transformed is correct?

The plasmid that was transformed originally is correct (sequenced). I am expressing different gene targets from the yeast genome to optimize my protein. When I sequence the incorrect size, it...

01 July 2024 2,356 6 View