Imugex

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Categories: Peptides & Proteins / Proteins

Product name			TFF2, Recombinant, Human (SP, SML1, TFF-2, Trefoil Factor 2, Trefoil Factor peptide, pS2 protein, HP1.A, Breast Cancer Estrogen-Inducible protein, BCEI, PNR2)
Catalog No			USB-220316
Supplier’s Catalog No			220316
Supplier			US Biologicals
Source antigen			Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight			12

Storage			-20°C
Other names
Grade			Highly Purified
Purity			~98% (SDS-PAGE, HPLC)
Form			Supplied as a lyophilized powder. No preservative added. Reconstitute with sterile ddH2O to 0.1-1ug/ul.
Reactivity life			12 months
Note			For reserch purpose only
Purity			~98% (SDS-PAGE, HPLC)
Description			The Trefoil Factor peptides (TFF1, TFF2 and TFF3) are expressed in the gastrointestinal tract, and appear to play an important role in intestinal mucosal defense and repair. TFF2 has been shown to inhibit gastrointestinal motility and gastric acid secretion. Recent data suggests a potential role for TFF2 in acute and chronic asthma. Recombinant human TFF2 is a polypeptide of 106aa residues, which includes a 40aa trefoil motif containing three conserved intramolecular disulfide bonds. Source: Recombinant protein corresponding to human TFF2, expressed in E. coli. Molecular Weight: ~12.0kD Biological Activity: Determined by its ability to chemoattract human monocytes using a concentration range of 1.0-10.0ug/ml. Endotoxin: <0.1ng/ug Storage and Stability: Lyophilized powder may be stored at -20°C. Reconstitute with sterile dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.