Biomedical Engineering Reference
In-Depth Information
Table 4.8. Binding affinities of immunoglobulin subclasses from differ-
ent species to immobilized Protein A, Protein G, Protein L, and thiophilic
chromatography supports
Affinity to
Species
Antibody
Protein A
Protein G
Protein L
Thiophilic
class
medium
Chicken
IgY
++
Cow
IgG1
+
+++
Cow
IgG2
+++
+++
Cow
Total IgG
++
+++
++
Goat
IgG1
+
+++
Goat
IgG2
+++
+++
Goat
Total IgG
+
+++
++
Guinea pig
Total IgG
+++
++
Horse
IgG(ab)
+
Horse
IgG(c)
+
Horse
IgG(T)
+++
Horse
Total IgG
++
+++
++
Human
Fab
+++
Human
IgA
+
+++
Human
IgD
+++
Human
IgE
+
+++
Human
IgG1
+++
+++
+++
++
Human
IgG2
+++
+++
+++
++
Human
IgG3
+
+++
+++
++
Human
IgG4
+++
+++
+++
++
Human
IgM
+
+++
Human
ScFv
+++
Human
Total IgG
+++
+++
Mouse
IgG1
+
++
+++
++
Mouse
IgG2a
+++
+++
+++
++
Mouse
IgG2b
+++
+++
+++
++
Mouse
IgG3
++
+++
+++
++
Mouse
IgM
+++
Mouse
Total IgG
+++
+++
+++
++
Pig
Total IgG
+++
+
+++
++
Rabbit
Total IgG
+++
+++
+
++
Rat
IgG1
+
++
++
Rat
IgG2a
+++
++
Rat
IgG2b
+
Rat
IgG2c
+++
+++
Rat
Total IgG
+
++
+++
++
Sheep
IgG1
+
+++
Sheep
IgG2
+++
+++
Sheep
Total IgG
+
+++
++
Recombinant
++
++
Ab
− No binding, + weak binding, ++ medium binding, +++ strong binding
 
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