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Complement C3d MeSH Descriptor Data 2024


MeSH Heading
Complement C3d
Tree Number(s)
D12.776.124.486.274.250.260.750
Unique ID
D015933
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D015933
Scope Note
A 302-amino-acid fragment in the alpha chain (672-1663) of C3b. It is generated when C3b is inactivated (iC3b) and its alpha chain is cleaved by COMPLEMENT FACTOR I into C3c, and C3dg (955-1303) in the presence COMPLEMENT FACTOR H. Serum proteases further degrade C3dg into C3d (1002-1303) and C3g (955-1001).
Entry Term(s)
C3d Complement
Complement 3d
Complement C3d Fragment
Complement Component 3d
Pharm Action
Immunologic Factors
Registry Number
80295-45-0
CAS Type 1 Name
Complement C3d
Previous Indexing
Complement (1973-1976)
Complement 3 (1975-1989)
See Also
Receptors, Complement 3d
Public MeSH Note
2006; see COMPLEMENT 3D 1990-2005
History Note
2006 (1990)
Date Established
1990/01/01
Date of Entry
1989/05/25
Revision Date
2005/06/30
Complement C3d Preferred
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