This is a general term for any immunoglobulin protein. It may refer to a type of immunoglobulin molecule found in blood serum which behaves in a certain way when subjected to electrophoresis - one which displays "gamma electrophoretic mobility."
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.
| 
