Reactome | C3b [extracellular region]

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C3b [extracellular region] Show undefined attributes

compartment	[Compartment:984] extracellular region
componentOf	[Complex:R-XTR-174554] C3b:Bb:C3b:Properdin [plasma membrane] - Xenopus tropicalis [Complex:R-XTR-976755] CFH:C3b [extracellular region] - Xenopus tropicalis [Complex:R-XTR-173749] Cell surface:C3b:Bb [plasma membrane] - Xenopus tropicalis [Complex:R-XTR-173752] Cell surface:C3b:Bb:Properdin [plasma membrane] - Xenopus tropicalis
consumedByEvent	[Reaction:R-XTR-981539] C3b binds to cell surface - Xenopus tropicalis [Reaction:R-XTR-976768] Factor H binds to C3b - Xenopus tropicalis
created	[InstanceEdit:10651445] Weiser, Joel, 2026-03-16
dbId	10660962
displayName	C3b [extracellular region]
hasComponent	[DefinedSet:R-XTR-166821-3] Homologues of C3 beta chain [extracellular region] [DefinedSet:R-XTR-166830-3] Homologues of C3b alpha' [extracellular region]
inDisease	false
inferredFrom	[Complex:R-HSA-166832] C3b [extracellular region] - Homo sapiens
maxDepth	3
name	C3b
producedByEvent	[Reaction:R-XTR-166817] Cleavage of C3 by C3 convertases - Xenopus tropicalis [Reaction:R-XTR-183130] C3(H2O):Factor Bb cleaves C3 to C3b and C3a - Xenopus tropicalis [Reaction:R-XTR-981621] C3 convertases spontaneously dissociate - Xenopus tropicalis [Reaction:R-XTR-981621] C3 convertases spontaneously dissociate - Xenopus tropicalis [Reaction:R-XTR-981621] C3 convertases spontaneously dissociate - Xenopus tropicalis
schemaClass	Complex
species	[Species:205621] Xenopus tropicalis
stId	R-XTR-166832
summation	[Summation:9984903] This complex/polymer has been computationally inferred (based on PANTHER) from a complex/polymer involved in an event that has been demonstrated in another species.

Referrals

(output)	[Reaction:R-XTR-981621] C3 convertases spontaneously dissociate [Reaction:R-XTR-166817] Cleavage of C3 by C3 convertases [Reaction:R-XTR-183130] C3(H2O):Factor Bb cleaves C3 to C3b and C3a
(input)	[Reaction:R-XTR-976768] Factor H binds to C3b [Reaction:R-XTR-981539] C3b binds to cell surface
(hasComponent)	[Complex:R-XTR-976755] CFH:C3b [extracellular region] [Complex:R-XTR-174554] C3b:Bb:C3b:Properdin [plasma membrane] [Complex:R-XTR-173752] Cell surface:C3b:Bb:Properdin [plasma membrane] [Complex:R-XTR-173749] Cell surface:C3b:Bb [plasma membrane] [Complex:R-XTR-981542] Cell surface:C3b [plasma membrane]
(inferredTo)	[Complex:R-HSA-166832] C3b [extracellular region]

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