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C1QB [extracellular region]
Stable Identifier
R-HSA-173560
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
extracellular region
Locations in the PathwayBrowser
Expand all
Immune System (Homo sapiens)
Innate Immune System (Homo sapiens)
Complement cascade (Homo sapiens)
Initial triggering of complement (Homo sapiens)
Conversion of C2 into C2a and C2b (Homo sapiens)
C4 activators [plasma membrane] (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2x Activated C1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2x Activated C1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Conversion of C4 into C4a and C4b (Homo sapiens)
C4 activators [plasma membrane] (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2x Activated C1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2x Activated C1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Creation of C4 and C2 activators (Homo sapiens)
Classical antibody-mediated complement activation (Homo sapiens)
Activation of C1r (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2xC1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2xC1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Antigen:IgG:C1Q:2xC1R:2xC1S [plasma membrane] (Homo sapiens)
C1Q:2xC1R:2xC1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
C-reactive protein pentamer:phosphocholine:C1Q [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Activation of C1s (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2x Activated C1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2x Activated C1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2xC1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2xC1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Regulation of Complement cascade (Homo sapiens)
Antigen:IgG:C1Q:2xActivated C1R:SERPING1:2xActivated C1S:SERPING1 dissociates (Homo sapiens)
Antigen:IgG:C1Q:2xActivated C1R:SERPING1:2xActivated C1S:SERPING1 [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
C1-Inh binds Antigen: antibody: C1 complex activated C1r, C1s (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2x Activated C1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2x Activated C1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Antigen:IgG:C1Q:2xActivated C1R:2xActivated C1S [plasma membrane] (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2x Activated C1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2x Activated C1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
C1-Inh binds and inactivates C1r, C1s (Homo sapiens)
Antigen:IgG:C1Q:2xActivated C1R:2xActivated C1S [plasma membrane] (Homo sapiens)
Antigen:IgG:C1Q:2x Activated C1R:2x Activated C1S [plasma membrane] (Homo sapiens)
C1Q:2x Activated C1R:2x Activated C1S [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
Antigen:IgG:C1Q:2xActivated C1R:SERPING1:2xActivated C1S:SERPING1 [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QB [extracellular region] (Homo sapiens)
External Reference Information
External Reference
UniProt:P02746 C1QB
Gene Names
C1QB
Chain
signal peptide:1-27, chain:28-253
Reference Genes
BioGPS Gene:713 C1QB
COSMIC (genes):C1QB C1QB
CTD Gene:713 C1QB
dbSNP Gene:713 C1QB
ENSEMBL:ENSG00000173369 C1QB
HGNC:1242 C1QB
KEGG Gene (Homo sapiens):713 C1QB
Monarch:713 C1QB
NCBI Gene:713 C1QB
OMIM:120570 C1QB
UCSC:P02746 C1QB
Reference Transcript
RefSeq:XM_011542059.2 C1QB
RefSeq:NM_000491.4 C1QB
Participates
as a component of
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
Inferred To
C1qb [extracellular region]
(Mus musculus)
C1qb [extracellular region]
(Rattus norvegicus)
C1QB [extracellular region]
(Bos taurus)
C1QB [extracellular region]
(Canis familiaris)
C1QB [extracellular region]
(Gallus gallus)
C1QB [extracellular region]
(Sus scrofa)
Cross References
RefSeq
NP_000482.3
,
XP_011540361.1
OpenTargets
ENSG00000173369
GeneCards
P02746
PRO
P02746
Pharos - Targets
P02746
Orphanet
18952
HMDB Protein
HMDBP07478
PDB
2JG9
,
5HZF
,
6Z6V
,
1PK6
,
2WNU
,
5HKJ
,
2WNV
,
2JG8
,
6FCZ
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