CD19

Name	CD19 molecule
Structure
Novel Interactors	1 novel interactors: RASGRP1
Interactors	21 interactors: ABL1 BTK CBL CD22 CD79A CD79B CD81 CD82 CD9 CR2 ECT2 FYN GRB2 LYN MAPK1 PIK3R1 PLCG2 SOS1 SYK VAV1 VAV2
GO Annotations	Cellular Component	Plasma Membrane External Side Of Plasma Membrane Membrane Protein-containing Complex Membrane Raft Extracellular Exosome
	Biological Process	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	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	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 )
Entrez ID	930
HPRD ID	00113
Ensembl ID	ENSG00000177455
Uniprot IDs	P15391
PDB IDs	6AL5 7JIC 7URV 7URX
GO Terms Enriched among Interactors ?	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