Proprotein convertase 1

Source: Wikipedia, the free encyclopedia.
PCSK1
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_001177876
NM_000439
NM_001177875

NM_013628

RefSeq (protein)

NP_000430
NP_001171346

NP_038656

Location (UCSC)Chr 5: 96.39 – 96.43 MbChr 13: 75.24 – 75.28 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse
proprotein convertase 1
Identifiers
ExPASy
NiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins

Proprotein convertase 1, also known as prohormone convertase, prohormone convertase 3, or neuroendocrine convertase 1 and often abbreviated as PC1/3 is an

pancreatic islets.[6]

Function

PC1/3 is an enzyme that performs the

kDa
proform quickly converted to an 87 kDa major active form, which itself is nearly completely cleaved to a 66 kDa active form within neuroendocrine cells.

Proprotein convertase 1 is the enzyme largely responsible for the first step in the biosynthesis of insulin. Following the action of proprotein convertase 1, a carboxypeptidase is required to remove the basic residues from the processing intermediate and generate the bioactive form of insulin. Another prohormone convertase, proprotein convertase 2 plays a more minor role in the first step of insulin biosynthesis, but a greater role in the first step of glucagon biosynthesis. The knockout of proprotein convertase 1 is not lethal in mice or humans, most likely due to the presence of the second convertase, although mice lacking proprotein convertase 1 activity show a number of defects including slow growth.[citation needed]

Proprotein convertase 1 is a calcium (Ca2+) activated

SKI1/S1P
.

Proprotein convertase 1 converts prorenin into renin.[7]

Clinical significance

Variants in the PCSK1 gene may be associated with obesity.[8]

See also

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000175426Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000021587Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. PMID 1765368
    .
  6. ^ .
  7. ^ "EC 3.4.21.93". www.qmul.ac.uk.
  8. PMID 19164386
    .

External links