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C1R
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  • C1R
PROTEIN SUMMARY SECTION OVERVIEW GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

C1R
Synonyms
Gene descriptioni

Full gene name according to HGNC.

Complement C1r
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Human disease related genes
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Intracellular
Protein evidence Evidence at transcript level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 12
Cytoband p13.31
Chromosome location (bp) 7080214 - 7092540
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

9
Ensembl ENSG00000159403 (version 109)
Entrez gene 715
HGNC HGNC:1246
UniProt
neXtProt
GeneCards C1R
Antibodypedia C1R antibodies


PROTEIN FUNCTION
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a member of the peptidase S1 protein family. The encoded protein is a proteolytic subunit in the complement system C1 complex. The complement system acts as a mediator in the innate immune response by ultimately triggering phagocytosis, inflammation, and rupturing the bacterial cell wall. Mutations in this gene are associated with Ehlers-Danlos Syndrome. [provided by RefSeq, Dec 2018]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
C1R-201
ENSP00000438636
ENST00000535233
F5H2D0
[Direct mapping] Complement subcomponent C1r
Show all
   SPOCTOPUS predicted membrane proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002376 [immune system process]
GO:0004175 [endopeptidase activity]
GO:0004252 [serine-type endopeptidase activity]
GO:0005509 [calcium ion binding]
GO:0005576 [extracellular region]
GO:0006508 [proteolysis]
GO:0006956 [complement activation]
GO:0006958 [complement activation, classical pathway]
GO:0008233 [peptidase activity]
GO:0008236 [serine-type peptidase activity]
GO:0016787 [hydrolase activity]
GO:0045087 [innate immune response]
Show all
671 aa
76.6 kDa
Yes 0
C1R-202
ENSP00000444271
ENST00000536053
B4DPQ0
[Direct mapping] Complement subcomponent C1r
Show all
   SPOCTOPUS predicted membrane proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
Predicted intracellular proteins
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002376 [immune system process]
GO:0004175 [endopeptidase activity]
GO:0004252 [serine-type endopeptidase activity]
GO:0005509 [calcium ion binding]
GO:0005576 [extracellular region]
GO:0006508 [proteolysis]
GO:0006956 [complement activation]
GO:0006958 [complement activation, classical pathway]
GO:0008233 [peptidase activity]
GO:0008236 [serine-type peptidase activity]
GO:0016787 [hydrolase activity]
GO:0045087 [innate immune response]
Show all
719 aa
81.9 kDa
Yes 0
C1R-204
ENSP00000444009
ENST00000538050
F5H1N6
[Direct mapping] Complement C1r subcomponent
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004252 [serine-type endopeptidase activity]
GO:0006958 [complement activation, classical pathway]
Show all
49 aa
5.6 kDa
No 0
C1R-205
ENSP00000442946
ENST00000540242
F5H6Y3
[Direct mapping] Complement C1r subcomponent
Show all
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004252 [serine-type endopeptidase activity]
GO:0006958 [complement activation, classical pathway]
Show all
156 aa
17.6 kDa
Yes 0
C1R-207
ENSP00000439223
ENST00000540610
F5H3A3
[Direct mapping] Complement C1r subcomponent
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004252 [serine-type endopeptidase activity]
GO:0005509 [calcium ion binding]
GO:0006958 [complement activation, classical pathway]
Show all
93 aa
10.7 kDa
No 0
C1R-208
ENSP00000441601
ENST00000541042
F5GWL0
[Direct mapping] Complement C1r subcomponent
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004252 [serine-type endopeptidase activity]
GO:0005509 [calcium ion binding]
GO:0006958 [complement activation, classical pathway]
Show all
71 aa
8.1 kDa
No 0
C1R-210
ENSP00000445285
ENST00000543835
F5H3N3
[Direct mapping] Complement C1r subcomponent
Show all
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004252 [serine-type endopeptidase activity]
GO:0005509 [calcium ion binding]
GO:0006958 [complement activation, classical pathway]
Show all
156 aa
17.9 kDa
Yes 0
C1R-214
ENSP00000497341
ENST00000647956
A0A3B3ISR2
[Direct mapping] Complement subcomponent C1r
Show all
   SPOCTOPUS predicted membrane proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002376 [immune system process]
GO:0004175 [endopeptidase activity]
GO:0004252 [serine-type endopeptidase activity]
GO:0005509 [calcium ion binding]
GO:0005576 [extracellular region]
GO:0006508 [proteolysis]
GO:0006956 [complement activation]
GO:0006958 [complement activation, classical pathway]
GO:0008233 [peptidase activity]
GO:0008236 [serine-type peptidase activity]
GO:0016787 [hydrolase activity]
GO:0045087 [innate immune response]
Show all
705 aa
80.2 kDa
Yes 0
C1R-216
ENSP00000497938
ENST00000649804
A0A3B3ITU4
[Direct mapping] Complement C1r subcomponent
Show all
   SPOCTOPUS predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of skin
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002376 [immune system process]
GO:0004252 [serine-type endopeptidase activity]
GO:0006508 [proteolysis]
GO:0006956 [complement activation]
GO:0006958 [complement activation, classical pathway]
GO:0008233 [peptidase activity]
GO:0008236 [serine-type peptidase activity]
GO:0016787 [hydrolase activity]
GO:0045087 [innate immune response]
Show all
351 aa
39.8 kDa
No 0

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