Recombinant Human Melatonin Receptor 1B (MTNR1B) is a purified Prokaryotic Protein. Purity: >80% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Melatonin Receptor 1B (MTNR1B). Target Synonyms: MT2, MEL-1B-R. Accession Number: P49286. Gene ID: 4544. Expression Region: Gly309~Leu362. Tag Info: N-terminal His and GST Tag. Theoretical MW: 40kDa. 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.