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- Table of Contents
Facts about DENN domain-containing protein 2B.
May be involved in cytoskeletal organization and tumorogenicity. Isoform 1 seems to be involved in a signaling transduction pathway leading to activation of MAPK1/ERK2.
| Human | |
|---|---|
| Gene Name: | DENND2B |
| Uniprot: | P78524 |
| Entrez: | 6764 |

| Belongs to: |
|---|
| No superfamily |

DENN domain-containing protein 2B
Mass (kDA):
126.485 kDA

| Human | |
|---|---|
| Location: | 11p15.4 |
| Sequence: | 11; NC_000011.10 (8693352..8910951, complement) |
Widely expressed with the exception of peripheral blood lymphocytes. Isoform 1 is expressed in several epithelial and fibroblast (including tumorigenic) but absent in lymphoid cell lines (at protein level). Isoform 3 is expressed in primary cell or weakly tumorigenic but not in tumorigenic cell lines (at protein level).
[Isoform 1]: Cytoplasm, cell cortex. Cell membrane. Recycling endosome. Colocalizes with RAB13 and ITSN1 at cytoplasmic vesicles that are most likely recycling endosomes. Colocalizes with the cortical actin cytoskeleton.


PMID: 8972856 by Lichy J.H., et al. Differential expression of the human ST5 gene in HeLa-fibroblast hybrid cell lines mediated by YY1: evidence that YY1 plays a part in tumor suppression.
PMID: 11528127 by Amid C., et al. Comparative genomic sequencing reveals a strikingly similar architecture of a conserved syntenic region on human chromosome 11p15.3 (including gene ST5) and mouse chromosome 7.