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- Table of Contents
Facts about ProSAAS.
It lowers the action of the 84 kDa form but not the autocatalytically derived 66 kDa form of PCSK1. Subsequent processing of proSAAS may eliminate the inhibition.
Human | |
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Gene Name: | PCSK1N |
Uniprot: | Q9UHG2 |
Entrez: | 27344 |
Belongs to: |
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No superfamily |
granin-like neuroendocrine peptide; Proprotein convertase 1 inhibitor; proprotein convertase subtilisin/kexin type 1 inhibitorPROSAAS; proSAAS; pro-SAAS; SAAS
Mass (kDA):
27.372 kDA
Human | |
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Location: | Xp11.23 |
Sequence: | X; NC_000023.11 (48831096..48835610, complement) |
Expressed in brain and pancreas.
Secreted. Golgi apparatus, trans-Golgi network. A N-terminal processed peptide, probably Big SAAS or Little SAAS, is accumulated in cytoplasmic protein tau deposits in frontotemporal dementia and parkinsonism linked to chromosome 17 (Pick disease), Alzheimer disease and amyotrophic lateral sclerosis-parkinsonism/dementia complex 1 (Guam disease).
PMID: 10632593 by Fricker L., et al. Identification and characterization of proSAAS, a granin-like neuroendocrine peptide precursor that inhibits prohormone processing.
PMID: 11435430 by Basak A., et al. Inhibitory specificity and potency of proSAAS-derived peptides toward proprotein convertase 1.