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- Table of Contents
Facts about Integral membrane protein 2B.
Functions as a protease inhibitor by blocking access of secretases to APP cleavage websites. .
Human | |
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Gene Name: | ITM2B |
Uniprot: | Q9Y287 |
Entrez: | 9445 |
Belongs to: |
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ITM2 family |
ABRI; ABri/ADan amyloid peptide; BRI; BRI2; BRICD2B; BRICHOS domain containing 2B; BRIFBD; E25B; E3-16; FBD; integral membrane protein 2B; ITM2B; Protein E25B; Transmembrane protein BRI
Mass (kDA):
30.338 kDA
Human | |
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Location: | 13q14.2 |
Sequence: | 13; NC_000013.11 (48233206..48270357) |
Ubiquitous. Expressed in brain.
[Integral membrane protein 2B]: Golgi apparatus membrane; Single-pass type II membrane protein. Immature BRI2 (imBRI2) is cleaved by furin in the Golgi into mBRI2 and a Bri23 peptide. mBRI2 is transported to the plasma membrane and Bri23 peptide is secreted.; [BRI2, membrane form]: Cell membrane; Single-pass type II membrane protein. Endosome membrane; Single-pass type II membrane protein. Mature BRI2 (mBRI2) needs to be transported from the endoplasmic reticulum compartment to the cell membrane in order to be able to inhibit APP processing.; [Bri23 peptide]: Secreted. Detected in the cerebral
PMID: 10391242 by Vidal R., et al. A stop-codon mutation in the BRI gene associated with familial British dementia.
PMID: 10781099 by Vidal R., et al. A decamer duplication in the 3' region of the BRI gene originates an amyloid peptide that is associated with dementia in a Danish kindred.