An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE).

The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B.

A fragment of human immunoglobulin G; 6 different sequences given with varying amino acid at position 285.

One of the types of light chains of the immunoglobulins with a molecular weight of approximately 22 kDa.