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SPI1 SPI1 PAX2 PAX2 PAX5 PAX5 CD79A CD79A PAX8 PAX8 IL2 IL2 IGJ IGJ PGM2 PGM2 ERO1L ERO1L UTP3 UTP3 ERP44 ERP44
"IGJ" - immunoglobulin J polypeptide, linker protein for immunoglobulin alpha and mu polypeptides in Homo sapiens
Nodes:
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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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small protein node
small nodes:
protein of unknown 3D structure
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large nodes:
some 3D structure is known or predicted
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query proteins and first shell of interactors
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white nodes:
second shell of interactors
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Known Interactions
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from curated databases
experiment edge
experimentally determined
Predicted Interactions
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fusion edge
gene fusions
cooccurrence edge
gene co-occurrence
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textmining edge
textmining
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co-expression
homology edge
protein homology
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IGJimmunoglobulin J polypeptide, linker protein for immunoglobulin alpha and mu polypeptides; Serves to link two monomer units of either IgM or IgA. In the case of IgM, the J chain-joined dimer is a nucleating unit for the IgM pentamer, and in the case of IgA it induces larger polymers. It also help to bind these immunoglobulins to secretory component (159 aa)    
Predicted Functional Partners:
CD79A
CD79a molecule, immunoglobulin-associated alpha; Required in cooperation with CD79B for initiation of the signal transduction cascade activated by binding of antigen to the B-cell antigen receptor complex (BCR) which leads to internalization of the complex, trafficking to late endosomes and antigen presentation. Also required for BCR surface expression and for efficient differentiation of pro- and pre-B-cells. Stimulates SYK autophosphorylation and activation. Binds to BLNK, bringing BLNK into proximity with SYK and allowing SYK to phosphorylate BLNK. Also interacts with and increases [...] (226 aa)
        score_image score_image score_image   0.984
PAX5
paired box 5 (391 aa)
            score_image   0.869
SPI1
spleen focus forming virus (SFFV) proviral integration oncogene spi1; Binds to the PU-box, a purine-rich DNA sequence (5’- GAGGAA-3’) that can act as a lymphoid-specific enhancer. This protein is a transcriptional activator that may be specifically involved in the differentiation or activation of macrophages or B- cells. Also binds RNA and may modulate pre-mRNA splicing (By similarity) (271 aa)
            score_image   0.864
UTP3
UTP3, small subunit (SSU) processome component, homolog (S. cerevisiae); Essential for gene silencing- has a role in the structure of silenced chromatin. Plays a role in the developing brain (By similarity) (479 aa)
            score_image   0.864
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   0.854
ERP44
endoplasmic reticulum protein 44; Mediates thiol-dependent retention in the early secretory pathway, forming mixed disulfides with substrate proteins through its conserved CRFS motif. Inhibits the calcium channel activity of ITPR1. May have a role in the control of oxidative protein folding in the endoplasmic reticulum. Required to retain ERO1L and ERO1LB in the endoplasmic reticulum (406 aa)
            score_image   0.757
PAX2
paired box 2; Probable transcription factor that may have a role in kidney cell differentiation. Has a critical role in the development of the urogenital tract, the eyes, and the CNS (417 aa)
            score_image   0.741
PAX8
paired box 8; Transcription factor for the thyroid-specific expression of the genes exclusively expressed in the thyroid cell type, maintaining the functional differentiation of such cells (450 aa)
            score_image   0.611
PGM2
phosphoglucomutase 2; Catalyzes the conversion of the nucleoside breakdown products ribose-1-phosphate and deoxyribose-1-phosphate to the corresponding 5-phosphopentoses. May also catalyze the interconversion of glucose-1-phosphate and glucose-6-phosphate. Has low glucose 1,6-bisphosphate synthase activity (612 aa)
            score_image   0.610
ERO1L
ERO1-like (S. cerevisiae); Essential oxidoreductase that oxidizes proteins in the endoplasmic reticulum to produce disulfide bonds. Acts by oxidizing directly P4HB/PDI isomerase through a direct disulfide exchange. Does not act as a direct oxidant of folding substrate, but relies on P4HB/PDI to transfer oxidizing equivalent. Associates with ERP44 but not with GRP54, demonstrating that it does not oxidize all PDI related proteins and can discriminate between PDI and related proteins. Its reoxidation probably involves electron transfer to molecular oxygen via FAD. Acts independently of g [...] (468 aa)
            score_image   0.609
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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