Complement C4a
The smaller fragment formed when complement C4 is cleaved by COMPLEMENT C1S. It is an anaphylatoxin that causes symptoms of immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE) but its activity is weaker than that of COMPLEMENT C3A or COMPLEMENT C5A.
Year introduced: 2006 (1990)
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Subheadings:
Tree Number(s): D12.776.124.486.274.024.260, D12.776.124.486.274.350.250
MeSH Unique ID: D015934
Registry Number: 80295-49-4
Entry Terms:
- C4a, Complement
- Complement Component 4a
- Component 4a, Complement
- C4a Complement
- Complement, C4a
- Complement 4a
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