The process in which a protein folds into a three-dimensional shape to achieve proper functioning.

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Is it possible to isolate and analyse intermediates of protein folding?

I would like to know if there is an assay which could allow us to analyse a protein before it has assumed its 3D functional form. While studying structural biology, I only came to know the forces that ...
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84 views

Experimental techniques to measure protein-protein and protein-ligand structure and dynamics

We would like to compare our simulation results with experimentation. When one wants to follow experimentally the dynamics (and possibly structure) of protein-protein or protein-ligand docking ...
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Determine secondary structure (per residue pair) from a protein contact map

Given a protein map contact map (which for this particular case is a matrix of all Ca-Ca atoms in protein 1a3a that are less than 8 Angstroms): Question: For ...
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39 views

Protein Design - Target Structure Specification

I'm curious about how protein structures are defined in general, but in particular, I'm wondering how a target structure can be specified without knowing the amino acid sequence. For example, in ...
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37 views

His Tag location in gene circuit

I am part of an undergraduate research group and we are trying to produce a protease in an E.coli gene circuit. We are not sure where to place the His tag in our circuit. The sequence is ...
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Incremental denaturation of protein mixtures

When a protein solution is heated above the denaturation temperature, it seems that denaturation does not happen at the time the temperature is reached, but it takes some time. I assumed that ...
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40 views

Western blot extrange band

I performed a WB using plasma rats and monkeys samples with anti ubiquitin K-48 antibody. In every sample the antibody binds something and it appears a specific band that seems to be 71kDa. When I ...