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C1QA [extracellular region]
Stable Identifier
R-HSA-173558
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)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [extracellular region] (Homo sapiens)
C1Q [extracellular region] (Homo sapiens)
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [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)
C1QA [extracellular region] (Homo sapiens)
External Reference Information
External Reference
UniProt:P02745 C1QA
Gene Names
C1QA
Chain
signal peptide:1-22, chain:23-245
Reference Genes
BioGPS Gene:712 C1QA
COSMIC (genes):C1QA C1QA
CTD Gene:712 C1QA
dbSNP Gene:712 C1QA
ENSEMBL:ENSG00000173372 C1QA
ENSEMBL:ENSG00000173372.18 C1QA
HGNC:1241 C1QA
KEGG Gene (Homo sapiens):712 C1QA
Monarch:712 C1QA
NCBI Gene:712 C1QA
OMIM:120550 C1QA
UCSC:P02745 C1QA
Reference Transcript
RefSeq:NM_001347466.1 C1QA
RefSeq:NM_015991.3 C1QA
RefSeq:NM_001347465.1 C1QA
Other Identifiers
11716416_at
16660575
218232_PM_at
218232_at
2324865
2324866
2324867
2324869
2324870
2324871
2324872
46713_at
712
7898793
A_24_P222655
GE79223
GO:0001540
GO:0001774
GO:0002376
GO:0005515
GO:0005576
GO:0005581
GO:0005602
GO:0006954
GO:0006956
GO:0006958
GO:0007267
GO:0016322
GO:0023052
GO:0030154
GO:0030312
GO:0031012
GO:0034330
GO:0045087
GO:0045202
GO:0048143
GO:0048856
GO:0050808
GO:0062023
GO:0062167
GO:0098542
GO:0098794
GO:0098883
GO:0150062
GO:0150064
GO:1901216
HMNXSV003053868
ILMN_1737918
PH_hs_0000994
TC01000285.hg
g7705752_3p_s_at
Participates
as a component of
C1Q subunit (C1QA:C1QB:C1QC heterotrimer) [extracellular region] (Homo sapiens)
Inferred To
c1qa [extracellular region]
(Xenopus tropicalis)
C1qa [extracellular region]
(Mus musculus)
C1qa [extracellular region]
(Rattus norvegicus)
ADIC [extracellular region]
(Canis familiaris)
C1QA [extracellular region]
(Bos taurus)
C1QA [extracellular region]
(Danio rerio)
C1QA [extracellular region]
(Gallus gallus)
C1QA [extracellular region]
(Sus scrofa)
Cross References
RefSeq
NP_001334394.1
,
NP_057075.1
,
NP_001334395.1
OpenTargets
ENSG00000173372
HPA
ENSG00000173372-C1QA
GeneCards
P02745
Ensembl
ENSP00000385564
,
ENST00000438241
,
ENST00000374642
,
ENSP00000363773
,
ENST00000402322
,
ENSG00000173372
,
ENST00000695740
,
ENSP00000416841
,
ENST00000695744
,
ENSP00000512137
,
ENSP00000512133
PRO
P02745
Pharos - Targets
P02745
Orphanet
18951
HMDB Protein
HMDBP07477
PDB
2WNU
,
2JG8
,
5HKJ
,
1PK6
,
2WNV
,
2JG9
,
6FCZ
,
5HZF
,
6Z6V
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