Recombinant Rat Estrogen Receptor Alpha (ERa) is a purified Prokaryotic Protein. Purity: >97% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Rat (Rattus norvegicus). Target Name: Estrogen Receptor Alpha (ERa). Target Synonyms: ER-A1, ER, ESR, ESR1, ESRA, NR3A1, NR3-A1, Estrogen Receptor 1, Nuclear Receptor Subfamily 3,Group A,Member 1. Accession Number: P06211. Gene ID: 24890. Expression Region: Arg248~Leu484. Tag Info: N-terminal His and GST Tag. Theoretical MW: 57kDa. Buffer: PBS, pH7.4, containing 0.01% SKL, 5% Trehalose. Storage: -20C. Avoid repeated freeze/thaw cycles. Restrictions: For Research Use Only. Not for use in diagnostic procedures.