Beta globulins are a group of globular proteins in plasma that are more mobile in alkaline or electrically charged solutions than gamma globulins, but less mobile than alpha globulins.
Examples of beta globulins include: beta-2 microglobulin plasminogen angiostatins properdin sex hormone-binding globulin transferrin lactoferrin
References
External links "Examples of Protein Electrophoretograms" at ufl.edu