
Recombinant Human Trefoil Factor 1 (rHuTFF-1) - PR1123
Recombinant Human Trefoil Factor 1 (rHuTFF-1) Catalogue Numbers: PR1123-5, PR1123-20 Sizes: 5µg, 20µg Source: Escherichia coli Molecular Weight: 13.2 kDa homodimeric protein consisting of two 60 amino acid polypeptide chains, which includes a 40-amino acid trefoil motif containing three conserved intramolecular disulfide bonds. Purity: >97% by SDS-PAGE and HPLC analyses. Biological Activity: Fully biologically active when compared to standard.Determined by its ability to activate ERK1/2 (a MAPkinase signaling molecule) using a concentration 1.0-2.0 μg/ml, corresponding to a Specific Activity of >500 IU/mg. Physical Appearance: Sterile Filtered White lyophilized (freeze-dried) powder. Formulation: Lyophilized from a 0.2mm filtered concentrated solution in 20mM PB, pH 7.4, 150mM NaCl. AA Sequence: EAQTETCt VA PRERQNCGFP GVTPSQCANK GCCFDDt VRG VPWCFYPNTI DVPPEEECEF Endotoxin: Less than 1EU/mg of rHuTFF1 as determined by LAL method. Reconstitution: We recommend that this vial