Protein A beads

Protein A beads

Protein A beads can mainly immobilize antibodies (IgG) on beads by affinity purification.
It can be used for antibody purification and immunoprecipitation experiments using antigen-antibody reaction.
Protein A is a protein derived from the cell wall of Staphylococcus aureus (S. aureus).

Protein A beads

Protein A beads

Magnetic beads

The product lineup includes regular FG beads and highly magnetically responsive HM beads.

Beads FG beads HM beads
(High Magnetic Response Type)
Code TAS8848N1172 TAB8848N3172
Price Please contact us
Storage conditions 2-8 ℃ (no freezing)
Storage buffer 10 mM HEPES(pH7.9), 50 mM KCl,
1 mM EDTA, 10% glycerol
10 mM HEPES(pH7.9)
Magnetization Superparamagnetism (≧10 emu/g) Superparamagnetism (≧20 emu/g)
Size of beads 180±30 nm 140±20 nm
Concentration 20 mg/ml
Functional groups Protein A
Binding ability ≧35 ug Human IgG/mg of beads

Binding properties of Protein A and Protein G to IgG

※Please scroll horizontally.

Animal species Human Mouse
Subclass IgG1 IgG2 IgG3 IgG4 IgG1 IgG2a IgG2b IgG3
Protein A
Protein G
Animal species Rat Bovine Chicken Rabbit Horse
Subclass IgG1 IgG2a IgG2b IgG2c IgG1 IgG2 IgG IgY IgG IgG
Protein A × × × × ×
Protein G × ×
Animal species Goat Guinea pig Dog Cat Hamster Sheep Pig
Subclass IgG1 IgG2 IgG IgG IgG IgG IgG1 IgG2 IgG
Protein A × ×
Protein G
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