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Categories: Peptides & Proteins / Proteins

Product name			Trefoil Factor 1, Recombinant, Human, aa25-84, His-Tag (TFF1, Bcei, Ps2, Protein pS2)
Catalog No			USB-T8269-73D
Supplier’s Catalog No			T8269-73D
Supplier			US Biologicals
Source antigen			Recombinant, E.coli
Reactivity
Cross reactivity
Applications
Molecular weight			9

Storage			-20°C
Other names
Grade			Highly Purified
Purity			~90% (SDS-PAGE)
Form			Supplied as a liquid in 20mM Tris-HCl buffer, pH 8, 1mM DTT, 100mM sodium chloride, 0.1mM PMSF, 20% glycerol.
Reactivity life			6 months
Note			For reserch purpose only
Purity			~90% (SDS-PAGE)
Description			TFF1 (Trefoil factor 1) is member of trefoil family, characterized by having at least one copy of the trefoil motif, a 40-amino acid domain that contains three conserved disulfides. Trefoil peptides are protease resistant molecules secreted throughout the gut that play a role in mucosal healing. TFF1 has also been detected in a number of carcinomas including cancers of the breast, pancreas and stomach. Purified by using conventional chromatography techniques. Source: Recombinant corresponding to aa25-84 of human TFF1, fused to His-tag at N-terminal, expressed in E.coli. AA Sequence: MGSSHHHHHH SSGLVPRGSH MEAQTETCTV APRERQNCGF PGVTPSQCAN KGCCFDDTVR GVPWCFYPNT IDVPPEEECE F Molecular Weight: ~9kD (81aa), confirmed by MALDI-TOF Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for at least 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.