Toggle navigation
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
Search ...
Go!
CD46 [plasma membrane]
Stable Identifier
R-HSA-977362
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
plasma membrane
Synonyms
Membrane cofactor protein, MCP_HUMAN
Locations in the PathwayBrowser
Expand all
Immune System (Homo sapiens)
Innate Immune System (Homo sapiens)
Complement cascade (Homo sapiens)
Regulation of Complement cascade (Homo sapiens)
CD46 binds C3b (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CD46:Cell surface:C3b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CD46 binds C4b (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CD46:Cell surface:C4b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
Complement factor I binds to MCP, CR1:C4b, C3b (Homo sapiens)
CD46, CR1:C4b:C3b complexes [plasma membrane] (Homo sapiens)
CD46:Cell surface:C3b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CD46:Cell surface:C4b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CFI:CD46, CR1:C4b, C3b complexes [plasma membrane] (Homo sapiens)
CD46, CR1:C4b:C3b complexes [plasma membrane] (Homo sapiens)
CD46:Cell surface:C3b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CD46:Cell surface:C4b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
Factor I inactivates MCP/CR1-bound C4b/C3b (Homo sapiens)
CD46, CR1 [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CFI:CD46, CR1:C4b, C3b complexes [plasma membrane] (Homo sapiens)
CD46, CR1:C4b:C3b complexes [plasma membrane] (Homo sapiens)
CD46:Cell surface:C3b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
CD46:Cell surface:C4b [plasma membrane] (Homo sapiens)
CD46 [plasma membrane] (Homo sapiens)
External Reference Information
External Reference
UniProt:P15529 CD46
Gene Names
CD46, MCP, MIC10
Chain
signal peptide:1-34, chain:35-392
Reference Genes
BioGPS Gene:4179 CD46
COSMIC - genes:CD46 CD46
CTD Gene:4179 CD46
dbSNP Gene:4179 CD46
ENSEMBL:ENSG00000117335 CD46
HGNC:6953 CD46
KEGG:hsa:4179 CD46
Monarch:4179 CD46
NCBI Gene:4179 CD46
OMIM:120920 CD46
UCSC:P15529 CD46
Reference Transcript
RefSeq:NM_172361.3 CD46
RefSeq:NM_172350.3 CD46
RefSeq:NM_172351.3 CD46
RefSeq:XM_047420909.1 CD46
RefSeq:XM_054336646.1 CD46
RefSeq:XM_047420901.1 CD46
RefSeq:NM_172357.3 CD46
RefSeq:NM_172352.3 CD46
RefSeq:XM_054336645.1 CD46
RefSeq:NM_172355.3 CD46
RefSeq:NM_172356.3 CD46
RefSeq:NM_172353.3 CD46
RefSeq:XM_054336648.1 CD46
RefSeq:XM_054336647.1 CD46
RefSeq:XM_011509563.3 CD46
RefSeq:NM_153826.4 CD46
RefSeq:XM_047420888.1 CD46
RefSeq:XM_054336649.1 CD46
RefSeq:XM_047420894.1 CD46
RefSeq:NM_172359.3 CD46
RefSeq:NM_002389.4 CD46
Participates
as an input of
CD46 binds C4b (Homo sapiens)
CD46 binds C3b (Homo sapiens)
as a member of
CD46, CR1 [plasma membrane] (Homo sapiens)
as a component of
CD46:Cell surface:C4b [plasma membrane] (Homo sapiens)
CD46:Cell surface:C3b [plasma membrane] (Homo sapiens)
Inferred To
Cd46 [plasma membrane]
(Mus musculus)
Cd46 [plasma membrane]
(Rattus norvegicus)
LOC609365 [plasma membrane]
(Canis familiaris)
CD46 [plasma membrane]
(Bos taurus)
CD46 [plasma membrane]
(Sus scrofa)
Cross References
RefSeq
NP_758861.1
,
NP_758862.1
,
NP_758865.1
,
NP_758866.1
,
NP_758860.1
,
XP_054192624.1
,
XP_054192623.1
,
XP_047276850.1
,
NP_722548.1
,
NP_002380.3
,
NP_758871.1
,
XP_011507865.1
,
XP_047276865.1
,
XP_047276844.1
,
XP_054192620.1
,
XP_054192622.1
,
XP_054192621.1
,
NP_758869.1
,
NP_758863.1
,
XP_047276857.1
,
NP_758867.1
OpenTargets
ENSG00000117335
ENSEMBL
ENST00000480003
,
ENSP00000418471
,
ENST00000358170
,
ENST00000367047
,
ENST00000322875
,
ENST00000360212
,
ENSP00000350346
,
ENSP00000356009
,
ENSP00000356008
,
ENSP00000314664
,
ENSP00000313875
,
ENSG00000117335
,
ENSP00000353342
,
ENST00000357714
,
ENSP00000356014
,
ENSP00000350893
,
ENST00000367041
,
ENSP00000346912
,
ENST00000354848
,
ENST00000367042
,
ENST00000322918
HPA
ENSG00000117335-CD46
GeneCards
CD46
PRO
P15529
Pharos - Targets
P15529
Orphanet
CD46
GlyGen
P15529
PDB
8QK3
,
3INB
,
3L89
,
3O8E
,
2O39
,
5FO8
,
1CKL
Interactors (4)
Accession
#Entities
Entities
Confidence Score
Evidence (IntAct)
IntAct:EBI-12735745 C3B
0.761
4
UniProt:P78504 JAG1
2
Ub-JAG1 [plasma membrane]
(R-HSA-9013079)
JAG1 [plasma membrane]
(R-HSA-157098)
0.728
6
UniProt:P01024 C3
20
C3a [extracellular region]
(R-HSA-166828)
dNQ-C3(672-1663) [extracellular region]
(R-HSA-182452)
C3 beta chain [extracellular region]
(R-HSA-166821)
C3b alpha' [extracellular region]
(R-HSA-166830)
C3 alpha chain [extracellular region]
(R-HSA-166820)
C3c alpha' chain fragment 2 [plasma membrane]
(R-HSA-977594)
C3c alpha' chain fragment 1 precursor [plasma membrane]
(R-HSA-977595)
C3 beta chain [plasma membrane]
(R-HSA-977593)
C3f [extracellular region]
(R-HSA-976779)
C3d [plasma membrane]
(R-HSA-8853248)
C3dg [plasma membrane]
(R-HSA-3266505)
C3a-desArg [extracellular region]
(R-HSA-8852808)
C3c alpha' chain fragment 1 [extracellular region]
(R-HSA-3266502)
C3c alpha' chain fragment 2 [extracellular region]
(R-HSA-976818)
C3c alpha' chain fragment 1 precursor [extracellular region]
(R-HSA-976816)
C3 [endoplasmic reticulum lumen]
(R-HSA-8956774)
p-C3 [endoplasmic reticulum lumen]
(R-HSA-8957056)
C3 beta chain [azurophil granule lumen]
(R-HSA-6799159)
C3 alpha chain [azurophil granule lumen]
(R-HSA-6799161)
C3 beta chain [secretory granule lumen]
(R-HSA-6801014)
0.623
2
ChEBI:16851 1-PHOSPHATIDYL-1D-MYO-INOSITOL 3,5-BISPHOSPHATE
0.462
2
© 2026
Reactome
This website requires cookies and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our
Privacy Notice
.
I agree, dismiss this banner
Cite Us!
Cite Us!
Cite Us!
Warning!
Unable to extract citation. Please try again later.
Download As:
BibTeX
RIS
Text