Biology:VPREB3

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Pre-B lymphocyte protein 3 is a protein that in humans is encoded by the VPREB3 gene.[1][2][3][4]

The VPREB3 gene product is the human homologue of the mouse VpreB3 (8HS20) protein, and is specifically expressed in cell lines representative of all stages of B-lymphocyte differentiation. It is also related to VPREB1 and other members of the immunoglobulin supergene family. The VPREB3 protein apparently associates with membrane mu heavy chains early in the course of pre-B cell receptor biosynthesis. The precise function of VPREB3 is not known, but it may contribute to mu chain transport in pre-B cells.[2][4] In humans, besides the bone marrow and secondary lymphoid tissues such as the tonsils, the VPREB3 protein is also present in Purkinje cells of the cerebellum and in the zona glomerulosa of the adrenal.[2]

References

  1. "VPREB3: cDNA characterization and expression in human and chromosome mapping in human and mouse". Cytogenet Cell Genet 87 (3–4): 205–8. Apr 2000. doi:10.1159/000015468. PMID 10702669. 
  2. 2.0 2.1 2.2 "Pre-B lymphocyte protein 3 (VPREB3) expression in the adrenal cortex: precedent for non-immunological roles in normal and neoplastic human tissues.". Endocrine Pathology [in press]. 2015. https://www.researchgate.net/publication/274075697. 
  3. "Binding of free immunoglobulin light chains to VpreB3 inhibits their maturation and secretion in chicken B cells". J Biol Chem 279 (11): 10228–36. Mar 2004. doi:10.1074/jbc.M312169-A200. PMID 14670953. 
  4. 4.0 4.1 "Entrez Gene: VPREB3 pre-B lymphocyte gene 3". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=29802. 

Further reading