http://www.cnr.it/ontology/cnr/individuo/prodotto/ID61980
Crystallization, X-ray Diffraction Analysis and Phasing of 17beta-Hydroxysteroid Dehydrogenase from fungus Cochliobolus lunatus (Articolo in rivista)
- Type
- Label
- Crystallization, X-ray Diffraction Analysis and Phasing of 17beta-Hydroxysteroid Dehydrogenase from fungus Cochliobolus lunatus (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
Cassetta A., Büdefeld T., Lanisnik Riner T., Kristan K., Stojan J., Lamba D. (2005)
Crystallization, X-ray Diffraction Analysis and Phasing of 17beta-Hydroxysteroid Dehydrogenase from fungus Cochliobolus lunatus
in Acta crystallographica. Section F
(literal)
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- Cassetta A., Büdefeld T., Lanisnik Riner T., Kristan K., Stojan J., Lamba D. (literal)
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- Scopu (literal)
- ISI Web of Science (WOS) (literal)
- PubMe (literal)
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- Büdefeld T., Lanisnik Riner T., Kristan K., Stojan J., Institute of Biochemistry, Medical Faculty Ljubljana, Slovenia
Cassetta A. IC-CNR, Trieste
Lamba D. IC-CNR, Trieste (literal)
- Titolo
- Crystallization, X-ray Diffraction Analysis and Phasing of 17beta-Hydroxysteroid Dehydrogenase from fungus Cochliobolus lunatus (literal)
- Abstract
- 17?-Hydroxysteroid dehydrogenase from the filamentous fungus Cochliobolus
lunatus (17?-HSDcl) is an NADP(H)-dependent enzyme that preferentially
catalyses the oxidoreduction of oestrogens and androgens. The enzyme belongs
to the short-chain dehydrogenase/reductase superfamily and is the only fungal
hydroxysteroid dehydrogenase known to date. 17?-HSDcl has recently been
characterized and cloned and has been the subject of several functional studies.
Although several hypotheses on the physiological role of 17?-HSDcl in fungal
metabolism have been formulated, its function is still unclear. An X-ray
crystallographic study has been undertaken and the optimal conditions for
crystallization of 17?-HSDcl (apo form) were established, resulting in well
shaped crystals that diffracted to 1.7 A resolution. The space group was
identified as I4(1)22, with unit-cell parameters a = b = 67.14, c = 266.77 A. Phasing
was successfully performed by Patterson search techniques. A catalytic inactive
mutant Tyr167Phe was also engineered, expressed, purified and crystallized for
functional and structural studies. (literal)
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