Recombinant Human Trefoil Factor 1 (rHuTFF1)
Official Full Name
Recombinant Human Trefoil Factor 1 (rHuTFF1)
Synonyms
Breast Cancer Estrogen-inducible Protein, PNR-2, Polypeptide P1.A (hP1.A), Protein pS2
Squence
SDS-PAGE
Synonyms
Breast Cancer Estrogen-inducible Protein, PNR-2, Polypeptide P1.A (hP1.A), Protein pS2
Accession
Gene ID
Summary
Source
Escherichia coli.
Molecular Weight
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.
Amino Acid Sequence
EAQTETCTVA PRERQNCGFP GVTPSQCANK GCCFDDTVRG VPWCFYPNTI DVPPEEECEF
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 ug/ml, corresponding to a specific activity of ＞ 100 IU/mg.
Appearance
Sterile filtered white lyophilized (freeze-dried) powder.
Formulation
Lyophilized from a 0.2 um filtered concentrated solution in 20 mM PB, pH 7.4, 150 mM NaCl.
Endotoxin
Less than 1 EU/ug of rHuTFF1 as determined by LAL method.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Stability and 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.
References
Purity
> 97 % by SDS-PAGE and HPLC analyses.
Pack Size
5ug/100ug/500ug
Safety Data Sheet (SDS) Download
Technical Data Sheet (TDS) Download
Links
This product is branded by ChemWhat and sold through our website and here is the corresponding link Recombinant Human Trefoil Factor 1 (rHuTFF1)
