Mononucleosomes typically have 200 bp DNA. End-trimming reduces the length of DNA first to 165 bp and then generates core particles with 146 bp.

TLS Online TPP Program

#Id: 2828

#Unit 13. Methods in Biology

Ion exchangers often use Gradient elution than isocratic elution, while Gradient elution is based on gradient of pH and ionic strength.

TLS Online TPP Program

#Id: 2829

#Unit 13. Methods in Biology

Affinity chromatography exploits the unique property of extremely specific biological interactions to achieve separation and purification.

TLS Online TPP Program

#Id: 2830

#Unit 13. Methods in Biology

Affinity chromatography used for the purification of enzymes, nucleotides, nucleic acids, immunoglobulins, membrane receptors and even to whole cells and cell fragments.

TLS Online TPP Program

#Id: 2831

#Unit 13. Methods in Biology

Principle of purification of an enzyme by affinity chromatography.

TLS Online TPP Program

#Id: 2832

#Unit 13. Methods in Biology

Examples of group-specific ligands commonly used in affinity chromatography

TLS Online TPP Program

#Id: 2833

#Unit 13. Methods in Biology

The peptide or protein (known as a ‘ tag’) can be placed at the N- or C-terminal ends and provides a means for the fusion protein to be selectively purified from the cell extract by affinity chromatography.