Protein Summary
Shows particularly broad specificity; although bonds involving phenylalanine and leucine are preferred, many others are also cleaved to some extent. This gene encodes a protein precursor of the digestive enzyme pepsin, a member of the peptidase A1 family of endopeptidases. The encoded precursor is secreted by gastric chief cells and undergoes autocatalytic cleavage in acidic conditions to form the active enzyme, which functions in the digestion of dietary proteins. This gene is found in a cluster of related genes on chromosome 11, each of which encodes one of multiple pepsinogens. Pepsinogen levels in serum may serve as a biomarker for atrophic gastritis and gastric cancer. [provided by RefSeq, Jul 2015]
- ENST00000312403
- ENSP00000309542
- ENSG00000256713
- Pg5
Most Knowledge About | Knowledge Value
(0 to 1 scale) | ||
|---|---|---|---|
cell type or tissue | 0.67 | ||
PubMedID | 0.67 | ||
protein domain | 0.58 | ||
cellular component | 0.56 | ||
tissue sample | 0.51 | ||
Protein Classes
IDG Development Level Summary
These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:
Pubmed score: 139.06 (req: < 5)
Gene RIFs: 4 (req: <= 3)
Antibodies: 174 (req: <= 50)
These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:
Pubmed score: 139.06 (req: >= 5)
Gene RIFs: 4 (req: > 3)
Antibodies: 174 (req: > 50)
- OR - satisfy the following criterion:
Gene Ontology Terms: 6
Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions
Active Ligands: 18
Target has at least one approved drug - AND - satisfies the preceding conditions
Active Drug: 1