A homogeneous fluorometric assay platform based on novel synthetic proteins
Novel synthetic recombinant sensor proteins have been created to detect analytes in solution, in a rapid single-step “mix and read” noncompetitive homogeneous assay process, based on modulating the Förster resonance energy transfer (FRET) property of the sensor proteins upon binding to their targets...
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| Veröffentlicht in: | Biochemical and biophysical research communications 2007-09, Vol.361 (1), p.103-108 |
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| container_title | Biochemical and biophysical research communications |
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| creator | Vardar-Schara, Gönül Krab, Ivo M. Yi, Guohua Su, Wei Wen |
| description | Novel synthetic recombinant sensor proteins have been created to detect analytes in solution, in a rapid single-step “mix and read” noncompetitive homogeneous assay process, based on modulating the Förster resonance energy transfer (FRET) property of the sensor proteins upon binding to their targets. The sensor proteins comprise a protein scaffold that incorporates a specific target-capturing element, sandwiched by genetic fusion between two molecules that form a FRET pair. The utility of the sensor proteins was demonstrated via three examples, for detecting an anti-biotin Fab antibody, a His-tagged recombinant protein, and an anti-FLAG peptide antibody, respectively, all done directly in solution. The diversity of sensor–target interactions that we have demonstrated in this study points to a potentially universal applicability of the biosensing concept. The possibilities for integrating a variety of target-capturing elements with a common sensor scaffold predict a broad range of practical applications. |
| doi_str_mv | 10.1016/j.bbrc.2007.06.174 |
| format | Article |
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| ispartof | Biochemical and biophysical research communications, 2007-09, Vol.361 (1), p.103-108 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | 60 APPLIED LIFE SCIENCES ANTIBODIES Bacterial Proteins - genetics Biosensing Techniques Biosensor BIOTIN Carrier Proteins - genetics ENERGY TRANSFER FLUORESCENCE Fluorescence Resonance Energy Transfer - methods Fluorescent Dyes - chemistry Förster resonance energy transfer Green Fluorescent Proteins - genetics Homogeneous assay Luminescent Proteins - chemistry Luminescent Proteins - genetics Maltose-Binding Proteins PEPTIDES PROTEIN ENGINEERING Recombinant Fusion Proteins - analysis Recombinant Fusion Proteins - chemistry |
| title | A homogeneous fluorometric assay platform based on novel synthetic proteins |
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