Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants.

Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants. Research Abstract Details 

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Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants. Abstract Text:

Proteins belonging to the family of DING proteins are ubiquitous in animals and several of them are associated with various diseases. Their presence in a few plant species has previously been reported and the St John's Wort DING protein was recently described as an inhibitor of HIV replication and transcription. However, data about DING protein occurrence in plants and their biochemical properties remain almost nonexistent. We describe methods for the purification of DING proteins from plants that may have general applicability since they are not dependent upon specific affinity ligands, contrary to previously described protocols. Cibacron Blue chromatography, sometimes preceded by an ion-exchange chromatographic step, is suitable for most plant extracts. DING proteins were purified from various species and cell types and their identity was confirmed immunologically and, in some cases, by N-terminal sequence analysis, indicating that they are ubiquitous in the plant kingdom. They are associated with the cell wall and sometimes secreted in the medium for in vitro grown cells. High-molecular-weight DING precursors were often observed. Internal peptides were also sequenced, as a prelude to gene cloning experiments.

Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants. Publishing Authors By Initials

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Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Phytochemistry

VOLUME: 69

Page Numbers: 865-72

Journal Abbreviation: Phytochemistry

ISSN: 0031-9422

DAY: 19

MONTH: 11

YEAR: 2007

Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants. Information

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LANGUAGE: eng

NlmUniqueID: 151434

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Grant and Affiliation Information for Proteins related to St. John's Wort p27(SJ), a suppressor of HIV-1 expression, are ubiquitous in plants.

AFFILIATION: School of Biological Sciences, University of Auckland, Auckland, New Zealand.

Country: United States

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MEDLINETA: Phytochemistry

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