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Immunogen sequence: FSGDHSADGF EVTSRSEMSS GSEISPVSEM PSSSEPSSGA DYDYSEEYDN EPQIPGYIVD DSVRVEQVVK PPQNKTESEN TSDKPKRKKK GGKNGKNRRN RKKKNPCNAE FQNFCIHGEC KYIEHLEAVT CKCQQEYFGE RC
Amphiregulin (AR) binds to EGF-Receptor (EGFR) with lower affinity than EGF. The mature secreted form AR is an 84-amino acid residue glycosylated polypeptide growth regulator, which is generated by proteolytic processing of a 252-amino acid transmembrane precursor. Seven different polypeptide ligands, which derive from distinct genes, are capable of binding to the extracellular domain of EGFR. These ligands include EGF, TGFalpha, AR, HB-EGF, cripto-1, epiregulin, and betacellulin. All of these growth factors contain a characteristic EGF-like domain which is defined by 6 evenly spaced cysteine residues that generate 3 loops through the formation of disulfide bonds. AR protein has been localized by immunohistochemistry to the epithelium of the colon, stomach, pancreas, breast, and placenta. AR is reportedly overexpressed in human cancers of breast, colon, stomach, and pancreas.
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蛋白别名: Amphiregulin; amphiregulin B; AR; Colorectum cell-derived growth factor; CRDGF; MGC13647; schwannoma-derived growth factor
基因别名: AR; AREG; AREGB; CRDGF; SDGF
UniProt ID: (Human) P15514
Entrez Gene ID: (Human) 374