Recombinant Human Trefoil Factor 1

• Catalog Number: orb1905951
• Category: Proteins
• Description: Recombinant Human Trefoil Factor 1
• Form/Appearance: Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 150 mM NaCl.
• Purity: > 97 % by SDS-PAGE and HPLC analyses.
• MW: Approximately 13.2 kDa, a homodimer consisting of two 60 amino acid polypeptide chains, which includes a 40-amino acid trefoil motif containing three conserved intramolecular disulfide bonds.
• UniProt ID: P04155
• Protein Sequence: EAQTETCTVA PRERQNCGFP GVTPSQCANK GCCFDDTVRG VPWCFYPNTI DVPPEEECEF
• Source: Escherichia coli
• Expression System: Escherichia coli
• Biological Activity: Fully biologically active when compared to standard. The ED50 as determined by a chemotaxis bioassay using human MCF-7 cells is less than 10 μg/ml, corresponding to a specific activity of �� 100 IU/mg.
• Endotoxins: Less than 1 EU/ug of rHuTFF1 as determined by LAL method.
• Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
• Alternative names: Breast Cancer Estrogen-inducible Protein, PNR-2, P
• Note: For research use only
• Expiration Date: 6 months from date of receipt.