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C4b binds to target cell surface
Stable Identifier
R-GGA-2132248
Type
Reaction [binding]
Species
Gallus gallus
Compartment
extracellular region
,
plasma membrane
ReviewStatus
5/5
Locations in the PathwayBrowser
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Innate Immune System (Gallus gallus)
Complement Cascade (Gallus gallus)
Creation of classical C3 convertase (Gallus gallus)
C4b binds to target cell surface (Gallus gallus)
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The layout of this reaction may differ from that in the pathway view due to the constraints in pathway layout
Cleavage of C4 exposes an active thioester bond on the large fragment C4b that allows it to bind covalently to hydroxyl or amino groups on target surfaces. This binding is regulated by the hydrolysis reaction that irreversibly inactivates C4b [Law SK and Dodds AW 1997; Dodds AW et al 1996]. Surface-bound C4b forms the basis for the formation of C3/C5 convertases.
This event was inferred from the curated human reaction.
Literature References
PubMed ID
Title
Journal
Year
17954581
An assay for measuring the mannan-binding lectin pathway of complement activation in chickens
Juul-Madsen, HR
,
Norup, LR
Poult Sci
2007
Participants
Input
C4b [extracellular region]
(Gallus gallus)
Cell-surface carbohydrates [plasma membrane]
Output
C4b [plasma membrane]
(Gallus gallus)
Participates
as an event of
Creation of classical C3 convertase (Gallus gallus)
Inferred From
C4b binds to cell surface (Homo sapiens)
Authored
Shamovsky, V (2012-12-20)
Reviewed
D'Eustachio, P (2012-11-07)
Jupe, S (2013-01-31)
Created
Shamovsky, V (2012-02-21)
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