gammaglobulin

https://doi.org/10.1351/goldbook.13165
One of a group of serum proteins, mostly immunoglobulins (Ig), which have the greatest mobility towards the cathode during electrophoresis.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1168 [Terms] [Paper]