CR2 and CD19

Number of citations of the paper that reports this interaction (PubMedID 1702139)
51

Data Source:
HPRD (in vivo)

		CR2	CD19
Description		complement C3d receptor 2	CD19 molecule
Image
GO Annotations	Cellular Component	Extracellular Space Plasma Membrane Membrane Receptor Complex Extracellular Exosome	Plasma Membrane External Side Of Plasma Membrane Membrane Protein-containing Complex Membrane Raft Extracellular Exosome
	Molecular Function	Virus Receptor Activity Complement Binding DNA Binding Complement Receptor Activity Transmembrane Signaling Receptor Activity Protein Binding Immunoglobulin Receptor Binding Protein Homodimerization Activity
	Biological Process	Immune System Process Complement Receptor Mediated Signaling Pathway T Cell Mediated Immunity Immune Response Complement Activation, Alternative Pathway Complement Activation, Classical Pathway B Cell Differentiation B Cell Proliferation B Cell Activation Innate Immune Response Negative Regulation Of Complement Activation, Classical Pathway Symbiont Entry Into Host Cell Type I Interferon-mediated Signaling Pathway Antiviral Innate Immune Response	B-1 B Cell Differentiation Adaptive Immune Response B Cell Proliferation Involved In Immune Response Immune System Process Immunoglobulin Mediated Immune Response B Cell Mediated Immunity B Cell Proliferation Antigen Receptor-mediated Signaling Pathway B Cell Receptor Signaling Pathway Regulation Of B Cell Receptor Signaling Pathway Regulation Of B Cell Activation Positive Regulation Of Release Of Sequestered Calcium Ion Into Cytosol Positive Regulation Of Phosphatidylinositol 3-kinase/protein Kinase B Signal Transduction
Pathways		Regulation of Complement cascade	PIP3 activates AKT signaling Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell Constitutive Signaling by Aberrant PI3K in Cancer PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling Regulation of Complement cascade Antigen activates B Cell Receptor (BCR) leading to generation of second messengers Antigen activates B Cell Receptor (BCR) leading to generation of second messengers
Drugs			Coltuximab ravtansine Blinatumomab Depatuxizumab mafodotin Inebilizumab Tisagenlecleucel Axicabtagene ciloleucel Tafasitamab Brexucabtagene autoleucel Loncastuximab tesirine Lisocabtagene maraleucel
Diseases			Common variable immunodeficiency (CVID), including the following four diseases: Inducible T Cell costimulator (ICOS) defect; TACI defect; CD19 defect; BAFFR defect
GWAS		Alzheimer's disease or fasting insulin levels (pleiotropy) ( 30805717) Refractive error ( 32231278) Systemic sclerosis ( 29293537) Type 2 diabetes ( 21490949)	Body fat distribution (arm fat ratio) ( 30664634) Body fat distribution (leg fat ratio) ( 30664634) Body fat distribution (trunk fat ratio) ( 30664634) Body mass index ( 29273807) Brain morphology (MOSTest) ( 32665545) Crohn's disease ( 21102463 28067908) Inflammatory bowel disease ( 28067908) Intelligence (MTAG) ( 29326435) Parkinson's disease or first degree relation to individual with Parkinson's disease ( 31701892) Waist circumference adjusted for body mass index ( 34021172)
Interacting Genes		11 interacting genes: ANXA6 C3 CD19 CR1 FCER2 FHOD1 HNRNPU IFITM1 IFNA1 NCOA1 TP53	21 interacting genes: ABL1 BTK CBL CD22 CD79A CD79B CD81 CD82 CD9 CR2 ECT2 FYN GRB2 LYN MAPK1 PIK3R1 PLCG2 SOS1 SYK VAV1 VAV2
Entrez ID		1380	930
HPRD ID		00399	00113
Ensembl ID		ENSG00000117322	ENSG00000177455
Uniprot IDs		P20023	P15391
PDB IDs		1GHQ 1LY2 1W2R 1W2S 2ATY 2GSX 3OED 8SM0 8ZNI	6AL5 7JIC 7URV 7URX
Enriched GO Terms of Interacting Partners?		Immune Effector Process Positive Regulation Of Humoral Immune Response Positive Regulation Of Activation Of Membrane Attack Complex Regulation Of Humoral Immune Response Protein-containing Complex Positive Regulation Of Complement Activation Interferon-mediated Signaling Pathway Immune Response-activating Cell Surface Receptor Signaling Pathway Leukocyte Activation Immune Response-regulating Cell Surface Receptor Signaling Pathway Cell Activation Complement Receptor Mediated Signaling Pathway Complement Activation, Alternative Pathway Immune Response Immune System Process Regulation Of Humoral Immune Response Mediated By Circulating Immunoglobulin Immune Response-activating Signaling Pathway Lymphocyte Activation Involved In Immune Response Cell Surface Receptor Signaling Pathway Negative Regulation Of Telomere Maintenance Via Telomerase Regulation Of Complement Activation Immune Response-regulating Signaling Pathway Activation Of Immune Response Leukocyte Activation Involved In Immune Response Signal Transduction Cell Activation Involved In Immune Response Negative Regulation Of Catalytic Activity Lymphocyte Activation Negative Regulation Of Telomere Maintenance Via Telomere Lengthening Negative Regulation Of DNA Biosynthetic Process Regulation Of ATP-dependent Activity B Cell Activation Complement Activation, Classical Pathway Regulation Of Lymphocyte Mediated Immunity Regulation Of Adaptive Immune Response Based On Somatic Recombination Of Immune Receptors Built From Immunoglobulin Superfamily Domains Negative Regulation Of Telomere Maintenance Positive Regulation Of Immunoglobulin Mediated Immune Response Regulation Of Adaptive Immune Response Regulation Of Telomere Maintenance Via Telomerase Response To Other Organism Positive Regulation Of Immune Response Positive Regulation Of Immune Effector Process Innate Immune Response Complement Activation C5L2 Anaphylatoxin Chemotactic Receptor Binding Humoral Immune Response Complement Component C3b Receptor Activity Immune Complex Clearance By Erythrocytes Complement Component C4b Receptor Activity Negative Regulation Of Serine-type Endopeptidase Activity	Immune Response-activating Cell Surface Receptor Signaling Pathway B Cell Receptor Signaling Pathway Cell Activation Immune Response-regulating Cell Surface Receptor Signaling Pathway Regulation Of Immune Response Lymphocyte Activation Immune Response-activating Signaling Pathway Positive Regulation Of Immune Response B Cell Activation Phosphotyrosine Residue Binding Immune Response-regulating Signaling Pathway Activation Of Immune Response Leukocyte Activation Fc Receptor Signaling Pathway Antigen Receptor-mediated Signaling Pathway Regulation Of Immune System Process Positive Regulation Of Immune System Process Immune Effector Process Immune System Process Fc-epsilon Receptor Signaling Pathway Fc-gamma Receptor Signaling Pathway Involved In Phagocytosis Fc Receptor Mediated Stimulatory Signaling Pathway Regulation Of Intracellular Signal Transduction Fc-gamma Receptor Signaling Pathway Regulation Of Cell Activation Leukocyte Proliferation Positive Regulation Of Intracellular Signal Transduction Regulation Of Lymphocyte Activation B Cell Proliferation Plasma Membrane Cell Surface Receptor Signaling Pathway Cell Surface Receptor Protein Tyrosine Kinase Signaling Pathway B Cell Differentiation Lymphocyte Proliferation Mononuclear Cell Differentiation Mononuclear Cell Proliferation Positive Regulation Of Cell Communication Positive Regulation Of Signaling Positive Regulation Of Lymphocyte Activation Ephrin Receptor Binding Immune Response Leukocyte Differentiation Lymphocyte Differentiation Positive Regulation Of Signal Transduction Regulation Of T Cell Activation Positive Regulation Of Cell Activation Positive Regulation Of T Cell Activation Cellular Developmental Process Positive Regulation Of Leukocyte Cell-cell Adhesion Regulation Of Defense Response
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