MODERN METHODS in BIOCHEMISTRY

MODERN METHODS in BIOCHEMISTRY

?PROTEIN MODIFICATION ?PROTEIN CROSSLINKING ?PROTEIN STAINING ?ANTIBODY MODIFICATION ?IMMUNOPRECIPITATION ?METABOLIC LABELLING

Affinity chromatography :

? matrices ? preparation ? Coupling of Ligand ? detection of reactive groups

Affinity chromatography : Principle of method

Affinity chromatography Example

Mouse brain

Affinity Chromatography Immunoprecipitation

Gel filtration

Solubilise & homogenise

50,000 x g supernatant

eluted complexes SDS-PAGE

Affinity chromatography

matrice preparation & introduce spacer

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