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IL21R IL21R IL2RG IL2RG IL5 IL5 STAT3 STAT3 IL2 IL2 IL21 IL21 GZMB GZMB FOXP3 FOXP3 PRDM1 PRDM1 BCL6 BCL6 TBX21 TBX21
"IL21" - interleukin 21 in Homo sapiens
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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protein of unknown 3D structure
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second shell of interactors
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Predicted Interactions
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IL21interleukin 21; Cytokine with immunoregulatory activity. May promote the transition between innate and adaptive immunity. Induces the production of IgG(1) and IgG(3) in B-cells (By similarity). May play a role in proliferation and maturation of natural killer (NK) cells in synergy with IL15. May regulate proliferation of mature B- and T-cells in response to activating stimuli. In synergy with IL15 and IL18 stimulates interferon gamma production in T-cells and NK cells. During T-cell mediated immune response may inhibit dendritic cells (DC) activation and maturation (162 aa)    
Predicted Functional Partners:
IL21R
interleukin 21 receptor; This is a receptor for interleukin-21 (538 aa)
        score_image score_image score_image   0.997
IL2RG
interleukin 2 receptor, gamma; Common subunit for the receptors for a variety of interleukins (369 aa)
          score_image score_image   0.935
IL5
interleukin 5 (colony-stimulating factor, eosinophil); Factor that induces terminal differentiation of late- developing B-cells to immunoglobulin secreting cells (134 aa)
          score_image score_image   0.925
IL2
interleukin 2; Produced by T-cells in response to antigenic or mitogenic stimulation, this protein is required for T-cell proliferation and other activities crucial to regulation of the immune response. Can stimulate B-cells, monocytes, lymphokine- activated killer cells, natural killer cells, and glioma cells (153 aa)
          score_image score_image   0.912
FOXP3
forkhead box P3; Probable transcription factor. Plays a critical role in the control of immune response (431 aa)
            score_image   0.912
PRDM1
PR domain containing 1, with ZNF domain; Transcriptional repressor that binds specifically to the PRDI element in the promoter of the beta-interferon gene. Drives the maturation of B-lymphocytes into Ig secreting cells (825 aa)
            score_image   0.912
STAT3
signal transducer and activator of transcription 3 (acute-phase response factor); Signal transducer and transcription activator that mediates cellular responses to interleukins, KITLG/SCF and other growth factors. May mediate cellular responses to activated FGFR1, FGFR2, FGFR3 and FGFR4. Binds to the interleukin-6 (IL-6)- responsive elements identified in the promoters of various acute- phase protein genes. Activated by IL31 through IL31RA. Cytoplasmic STAT3 represses macroautophagy by inhibiting EIF2AK2/PKR activity (770 aa)
            score_image   0.910
BCL6
B-cell CLL/lymphoma 6; Transcriptional repressor which is required for germinal center formation and antibody affinity maturation. Probably plays an important role in lymphomagenesis (706 aa)
            score_image   0.910
TBX21
T-box 21; Transcription factor that controls the expression of the TH1 cytokine, interferon-gamma. Initiates TH1 lineage development from naive TH precursor cells both by activating TH1 genetic programs and by repressing the opposing TH2 programs (535 aa)
            score_image   0.910
GZMB
granzyme B (granzyme 2, cytotoxic T-lymphocyte-associated serine esterase 1); This enzyme is necessary for target cell lysis in cell- mediated immune responses. It cleaves after Asp. Seems to be linked to an activation cascade of caspases (aspartate-specific cysteine proteases) responsible for apoptosis execution. Cleaves caspase-3, -7, -9 and 10 to give rise to active enzymes mediating apoptosis (247 aa)
            score_image   0.897
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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