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Categories: Peptides & Proteins / Proteins

Product name			Trefoil Factor 1, active (TFF1), Recombinant, Human
Catalog No			USB-348245
Supplier’s Catalog No			348245
Supplier			US Biologicals
Source antigen			Recombinant, Human, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight			6.7

Storage			-20°C
Other names
Grade			Highly Purified
Purity			≥97% as determined by SDS-PAGE and HPLC.
Form			Lyophilized from 0.2um filtered 20mM PBS, pH 7.4, 150mM NaCl
Reactivity life			6 months
Note			For reserch purpose only
Purity			≥97% as determined by SDS-PAGE and HPLC.
Description			Stabilizer of the mucous gel overlying the gastrointestinal mucosa that provides a physical barrier against various noxious agents. May inhibit the growth of calcium oxalate crystals in urine. {ECO:0000269\|PubMed:16308573}. 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 10ug/ml, corresponding to a specific activity of ＞ 100 IU/mg. Sequence: EAQTETCTVA PRERQNCGFP GVTPSQCANK GCCFDDTVRG VPWCFYPNTI DVPPEEECEF Molecular Weight: 6.7kD PubMed ID: 6324130; 3838275; 3822834; 2311759; 2185238; 10950923; 10830953; 15489334; 3146413; 15924415; 16308573; 3261981; 15340161; 3041593; 16718800; 17143957; 17242463; 8521850; 9096235; 10982763; 16697734 Gene Name: TFF1,BCEI,PS2 Swiss Prot: P04155 Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 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.