Description：Recombinant Human AREG/AREGB Protein is produced by E. coli expression system and the target gene encoding Ser101-Lys198 is expressed.Form：Lyophilized from a 0.2 μM filtered solution of 20mM PB, 150mM NaCl, pH 7.4.Gene Symbol：AREG; AREGBAlternative Names：SDGF; Amphiregulin; AR; Colorectum cell-derived growth factor; CRDGF Entrez Gene (Human)： 374; SwissProt (Human)： P15514; Purity：Greater than 95% as determined by reducing SDS-PAGE.Chemical Structure：MSVRVEQVVK PPQNKTESEN TSDKPKRKKK GGKNGKNRRN RKKKNPCNAE FQNFCIHGEC KYIEHLEAVT CKCQQEYFGE RCGEKSMKTH SMIDSSLSKDirections for Use：Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 μg/ml. Dissolve the lyophilized protein in 1X PBS. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.Quality Control：Endotoxin: Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test.Storage/Stability：Lyophilized protein should be stored at -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at -20°C for 3 months.