PGA5

pepsinogen A5

Summary

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]

Known Variants20 total

rsidPosition (GRCh37)AllelesClassClinVar
rs18651312811:61,014,583G/Aintron variant—
rs19257216411:61,015,068T/Cintron variant—
rs19286581311:61,015,846T/Cintron variant—
rs14704903811:61,015,892G/A—likely benign
rs20005399811:61,015,898A/C—likely benign
rs75705505911:61,015,979G/A—uncertain significance
rs77966201511:61,015,988T/C—uncertain significance
rs19973904311:61,016,000G/A—uncertain significance
rs54156766511:61,016,120G/A——
rs13882348611:61,016,506C/Tdownstream gene variant—
rs37649043111:61,017,166G/A—uncertain significance
rs76191073111:61,017,182G/T—uncertain significance
rs120407718811:61,017,223C/G—uncertain significance
rs19989062811:61,017,251G/A—uncertain significance
rs76356630211:61,017,283G/A—uncertain significance
rs102958122311:61,017,427A/G—uncertain significance
rs77608112711:61,017,484C/A—uncertain significance
rs18263168011:61,017,796G/A——
rs1123064411:61,018,067A/Tdownstream gene variant—
rs185413757811:61,018,722A/C—uncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.