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Apta-Index™: Human Neutrophil Elastase (DNA I) (ID# 175)

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Human Neutrophil Elastase (DNA I) (ID# 175)

Human Neutrophil Elastase (DNA I)
* The secondary structure may not be accurate because of MFOLD limitations on chemistries other than RNA/DNA.
DNA Human Neutrophil Elastase (HNE) Protein 17 nM (reported value) Binding buffer: 150 mM NaCl, 100 mM Tris HCl (pH 7.0), 2 mM MgCl2, 6 mM KCl N/A If the oligo is a known aptamer sequence: For binding studies, perform a refolding program to ensure proper function (i.e. binding to antigen or target). Refer to the aptamer reference source for the appropriate refolding parameters and binding conditions. Note: it is unknown whether aptamer functions properly without refolding. This truncated sequence forms a G-quartet.

Neither the full-length, nor the truncated sequence inhibited HNE enzymatic activity, as the aptamer binding site differs from the active site and the substrate binding site.
5'-dTpdApdGpdCpdGpdApdTpdApdCpdTpdGpdCpdGpdTpdGpdGpdGpdTpdTpdGpdGpdGpdGpdCpdGpdGpdGpdTpdApdGpdGpdGpdCpdCpdApdGpdCpdApdGpdTpdCpdTpdCpdGpdTp-3'
45 14046.12 g/mole 428800.00 L/(mole·cm) 64.44% 2.33 32.76

Note: Information on this aptamer oligo was obtained from the literature and hasn't been validated by Aptagen.

Lin et al. "Peptide conjugation to an in vitro-selected DNA ligand improves enzyme inhibition." PNAS, 92(1995): 11044-11048.

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