Gene Information
Gene NameREG3A
OrganismHomo sapiens (Human)
Gene Length175
Protein NamesRegenerating islet-derived protein 3-alpha (REG-3-alpha) (Hepatointestinal pancreatic protein) (HIP/PAP) (Human proislet peptide) (Pancreatitis-associated protein 1) (Regenerating islet-derived protein III-alpha) (Reg III-alpha) [Cleaved into: Regenerating islet-derived protein 3-alpha 16.5 kDa form; Regenerating islet-derived protein 3-alpha 15 kDa form]
Target Nameregenerating human pro-islet peptide
Target TypeClinical trial target
Gene Age680 ( ENSG00000172016 )
Evolutionary StageEumetazoa
AlphaFoldDBQ06141
Gene CardREG3A
Uniprot IDQ06141
PfamPF00059
In ASDno
Allosteric Predictionno (-0.888856434)
Ortholog in AnimalsAlpaca_ REG3A ( ortholog_one2one )
Dog_ REG3A ( ortholog_many2many )
Macaque_ REG3A ( ortholog_one2one )
OhnologsNA
ParalogsREG3G, CLEC19A, REG4, REG1B, REG1A
Tissueduodenum, small.intestine, pancreas, small.intestine.Peyers.patch
Tissue SpecificityHighly expressed in epidermal keratinocytes of psoriasis patients (at protein level). Constitutively expressed in intestine. Low expression is found in healthy pancreas. Overexpressed during the acute phase of pancreatitis and in some patients with chronic pancreatitis. {ECO:0000269|PubMed:1469087, ECO:0000269|PubMed:22727489}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1UV0  (X-ray  1.78A  2GO0  (NMR  4MTH  (X-ray  1.47A 
DBSNP NA 
Subcellular location [CC]Secreted. Note=Found in the apical region of pancreatic acinar cells.
Mouse PG classificationNA
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