بحسب سياسة يوتيوب لا يسمح رفع مقاطع تحتوي حقوق نشر محفوظة، أو ملفات الأفلام التي تسيء لشخصية معينة، أو الفيديوهات الفاضحة أو المواضيع التي تشجع على الإجرام.
● الاطّلاع على أحدث الفيديوهات من القنوات المفضّلة لديك على علامة التبويب "الاشتراكات"
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محتويات ١ طريقة مشاركة حساب الإنستغرام١.١ نسخ رابط حساب أحد المستخدمين باستخدام الهواتف المحمولة١.٢ نسخ...
This characteristic formation of the SLC23 dimer interface may lead to the unique state exchange mechanism employing the distinct motions of the core and gate domains, which have hamiş yet been observed in SLC4 or 26 family transporters.
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طريقة حذف شخصية السناب شات عبر تطبيق السناب شات يمكنك حذف شخصية السناب شات التي تعبّر عن المستخدم، وشكله...
An independent sınav in 2009 uploaded multiple versions of the same song to YouTube and concluded that while the system was "surprisingly resilient" in finding copyright violations in the audio tracks of videos, it was not infallible.
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To examine the functional importance of the residues comprising the substrate binding pocket, we measured the transport activities of hSVCT1 mutants by a cellular ascorbic acid uptake assay, based on its reducing ability (Fig. 3e). The results demonstrated that the alanine mutations of the residues involved in the coordination of two sodium ions significantly decreased the transport activity, confirming the sodium-dependent binding manner of the substrate suggested from the structure.
Zhongbo Wu analyzed and interpreted the data and wrote the paper. Jun Zhu analyzed elektrikli su alti scooter and interpreted the data.All authors reviewed the manuscript.
Here, we report the cryo-EM structures of human SVCT1 in different states at 2.5–3.5 Å resolutions. The binding manner of vitamin C together with two sodium ions reveals the counter ion-dependent substrate recognition mechanism. Furthermore, comparisons of the inward-open and occluded structures support a transport mechanism combining elevator and distinct rotational motions. Our results demonstrate the molecular mechanism of vitamin C transport with its underlying conformational cycle, potentially leading to future industrial and medical applications.
When a video is uploaded, it is checked against the database, and flags the videoteyp as a copyright violation if a match is found.[146] When this occurs, the content owner saf the choice of blocking the videoteyp to make it unviewable, tracking the viewing statistics of the video, or adding advertisements to the video.