Human TFF-1

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Cat-Nr.100-288
Size20 µg
Price199 €
SourceE. coli
Formulationlyophilized
Purity Confirmation> 98% by SDS-PAGE & HPLC analyses
Length [aa]60
Molecular Weight6.7 kDa
Endotoxin Levels< 0.1 ng/µg of protein (<1EU/µg)
Biological ActivityDetermined by its ability to chemoattract human MCF-7 cells using a concentration 5-10 μg/ml.
Species ReactivityHuman
SynonymsTFF1; pS2; BCEI; HPS2; HP1.A; pNR-2; D21S21
DescriptionThe 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. TFF1 is essential for normal differentiation of the antral and pyloric gastric mucosa and functions as a gastric-specific tumor suppressor gene. Recombinant human TFF1 is a 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.
Protein SequenceEAQTETCTVA PRERQNCGFP GVTPSQCANK GCCFDDTVRG VPWCFYPNTI DVPPEEECEF
Uniprot IDP04155
Protein RefSeqNP_003216.1
mRNA RefSeqNM_003225

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