Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D050716
http://purl.bioontology.org/ontology/MESH/D050716
Preferred Name

Complement C4b-Binding Protein

Definitions
A serum protein that regulates the CLASSICAL COMPLEMENT ACTIVATION PATHWAY. It binds as a cofactor to COMPLEMENT FACTOR I which then hydrolyzes the COMPLEMENT C4B in the CLASSICAL PATHWAY C3 CONVERTASE (C4bC2a).
Synonyms
Complement Component 4b-Binding Protein
C4b-Binding Protein, Complement
C4bC3bINA-Cofactor
Cofactor, C4b-C3b Inactivator
Protein, Complement C4b-Binding
Complement 4b Binding Protein
Complement Component 4b Binding Protein
Complement C3b C4b Inactivator Cofactor
Complement C3b-C4b Inactivator Cofactor
C4b-Binding Protein
C4b-C3b Inactivator Cofactor
Complement C4b Binding Protein
C4b C3b Inactivator Cofactor
C4b Binding Protein
C4bC3bINA Cofactor
Protein, C4b-Binding
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Type http://www.w3.org/2002/07/owl#Class
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