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- Table of Contents
Facts about Marginal zone B- and B1-cell-specific protein.
Isoform 2 may be involved in regulation of apoptosis. Helps to diversify peripheral B-cell functions by regulating Ca(2+) stores, antibody secretion and integrin activation.
Human | |
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Gene Name: | MZB1 |
Uniprot: | Q8WU39 |
Entrez: | 51237 |
Belongs to: |
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MZB1 family |
caspase-2 binding protein; FLJ32987; HSPC190; marginal zone B and B1 cell-specific protein; MGC29506; PACAP; pERp1; plasma cell-induced ER protein 1; plasma cell-induced resident endoplasmic reticulum protein; Plasma cell-induced resident ER protein; Proapoptotic caspase adapter protein; proapoptotic caspase adaptor protein
Mass (kDA):
20.694 kDA
Human | |
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Location: | 5q31.2 |
Sequence: | 5; NC_000005.10 (139387467..139389913, complement) |
Widely expressed with highest levels in adult brain, small intestine and lymphoid tissues such as thymus and spleen. Expression is frequently lower in intestinal-type gastric cancer. In obese patients, more abundant in omental than in subcutaneous fat.
[Isoform 1]: Endoplasmic reticulum lumen. Secreted.; [Isoform 2]: Cytoplasm. Diffuse granular localization in the cytoplasm surrounding the nucleus (PubMed:11350957).
PMID: 11350957 by Bonfoco E., et al. Characterization of a novel proapoptotic caspase-2- and caspase-9- binding protein.
PMID: 19805157 by Shimizu Y., et al. pERp1 is significantly up-regulated during plasma cell differentiation and contributes to the oxidative folding of immunoglobulin.