Homotetramer
From Infogalactic: the planetary knowledge core
File:Beta-Glucuronidase Homotetramer.jpg
A homotetrameric complex, beta-glucuronidase (a glycosidase). Each subunit has the same amino acid sequence.
A homotetramer is a protein complex made up of four identical subunits which are associated but not covalently bound.[1] A heterotetramer is a 4-subunit complex where one or more subunits differ.[2]
Examples of homotetramers include:
- enzymes like beta-glucuronidase (pictured)
- export factors such as SecB from Escherichia coli[3]
- magnesium ion transporters such as CorA.[4]
- lectins such as Concanavalin A
See also
References
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