کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9892166 | 1541103 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Rational proteomics IV: modeling the primary function of the mammalian 17β-hydroxysteroid dehydrogenase type 8
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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![عکس صفحه اول مقاله: Rational proteomics IV: modeling the primary function of the mammalian 17β-hydroxysteroid dehydrogenase type 8 Rational proteomics IV: modeling the primary function of the mammalian 17β-hydroxysteroid dehydrogenase type 8](/preview/png/9892166.png)
چکیده انگلیسی
Significant sequence homology has been detected between prokaryotic β-ketoacyl-[acyl carrier protein] reductases (BKR) and eukaryotic 17β-hydroxysteroid dehydrogenases type 8 (17β-HSD_8). Three-dimensional models of ternary complexes of human 17β-HSD_8 with NAD cofactor and two chemically distinct substrates, the BKR substrate {CH3-(CH2)12-CO-CH2-CO-S-[ACP]} and the HSD substrate {estradiol} have been constructed (the atomic coordinates are available on request; e-mail: pletnev@hwi.buffalo.edu). The more extensive and specific interactions of 17β-HSD_8 with the BKR substrate compared to interactions with estradiol raise a serious question about the enzyme's primary function in vivo and suggest that it is likely to be involved in the regulation of fatty acid metabolism rather than in the steroid-dependent activity that has been demonstrated in vitro.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Journal of Steroid Biochemistry and Molecular Biology - Volume 94, Issue 4, March 2005, Pages 327-335
Journal: The Journal of Steroid Biochemistry and Molecular Biology - Volume 94, Issue 4, March 2005, Pages 327-335
نویسندگان
Vladimir Z. Pletnev, William L. Duax,