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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Frank L.A., Illarionova V.A., Vysotski E.S.
Заглавие : Use of proZZ-obelin fusion protein in bioluminescent immunoassay
Место публикации : Biochem. Biophys. Res. Commun.: ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS, 1996. - Vol. 219, Is. 2. - С. 475-479. - 5. - ISSN 0006-291X, DOI 10.1006/bbrc.1996.0258
Примечания : Cited References: 21
Предметные рубрики: ESCHERICHIA-COLI
EXPRESSION
AEQUORIN
PURIFICATION
SYSTEM
Аннотация: Obelin is a photoprotein that emits light by Ca2+-binding. To develop a bioluminescent immunoassay based on the light emission property of obelin, we have expressed the apoobelin fusion protein with ZZ-domain of S. aureus protein A in E. coil by recombinant DNA techniques. The pro2Z-obelin expressed was purified by one-step affinity chromatography on IgG-Agarose. The purified proZZ-obelin has both the luminescent activity of obelin and the IgG-binding ability of ZZ-domain. The specific activity of fusion protein was 8.5 x 10(15) photons per mg of protein. (C) 1996 Academic Press, Inc.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krasitskaya V. V., Bashmakova E. E., Kudryavtsev A. N., Vorobjeva M. A., Shatunova E. A., Frank L. A.
Заглавие : The Hybrid Protein ZZ-OL as an Analytical Tool for Biotechnology Research
Колич.характеристики :7 с
Коллективы : Russian FederationRussian Federation [MK-772.2020.4]; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10296]
Место публикации : Russ. J. Bioorg. Chem.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2020. - Vol. 46, Is. 6. - С. 1004-1010. - ISSN 1068-1620, DOI 10.1134/S106816202006014X. - ISSN 1608-330X(eISSN)
Примечания : Cited References:14. - The study was partially supported by a grant of the President of the Russian Federation for Young Scientists, the Candidates of Sciences (project MK-772.2020.4 in the part involving the synthesis and analysis of variants of proteins with melanoma-inhibiting activity) and a grant of the Russian Science Foundation (project no. 16-14-10296 in the part involving the bioluminescence analysis of binding of DNA aptamers to targets).
Аннотация: The gene of the hybrid protein that encodes the double synthetic fragment proZZ of the immunoglobulin-binding domain of protein A of Staphylococcus aureus and apo-obelin joined by a short linker has been cloned. The corresponding hybrid protein has been obtained by expression in Escherichia coli cells. The protein activated with a substrate (coelenterazine) possesses the bioluminescent Ca2+-dependent activity of the photoprotein close to that of recombinant wild-type obelin, and the immunoglobulin-binding ability of protein A. It has been shown that the hybrid can be used as a highly sensitive label to detect antibodies and estimate their affinity and interaction with recombinant proteins, as well as in investigations of other kinds.
WOS
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