نتایج جستجو برای: substrate binding site
تعداد نتایج: 820167 فیلتر نتایج به سال:
اهمیت بالای کلسیم ترانسپورترها و عدم وجود مطالعات وسیع بر روی خصوصیات پروتئینی آنها، منجر به انجام این تحقیق شد. حدود 3000 خصوصیات پروتیئنی از 349 کلسیم ترانسپوتر با استفاده از روش های بیوانفورماتیکی استخراج گردید و به وسیلهfeature selection، مدلینگ و آنالیزهای آماری برای مشخص کردن خصوصیات اسیدآمینه های ساختاری در عملکرد کلسیم ترانسپورترها بررسی شد. این نتایج اهمیت میزان اسیدآمینه های آبگریز را...
Using the crystal structure of the uracil transporter UraA of Escherichia coli, we constructed a 3D model of the Aspergillus nidulans uric acid-xanthine/H(+) symporter UapA, which is a prototype member of the Nucleobase-Ascorbate Transporter (NAT) family. The model consists of 14 transmembrane segments (TMSs) divided into a core and a gate domain, the later being distinctly different from that ...
The eukaryotic chaperonin TRiC (also called CCT) is the obligate chaperone for many essential proteins. TRiC is hetero-oligomeric, comprising two stacked rings of eight different subunits each. Subunit diversification from simpler archaeal chaperonins appears linked to proteome expansion. Here, we integrate structural, biophysical, and modeling approaches to identify the hitherto unknown substr...
S imilarities in binding cavities attract attention for the prediction and doptimization of ligand selectivity. Glinca and Klebe propose a clustering based on physicochemical properties of the binding site analyzed with Cavbase and conclude that their novel cavity-based method tells more than sequences. 5 We agree that protein structures are key in understanding of ligand recognition. Still, we...
Dehydroepiandrosterone sulphotransferase (DHEA-ST) is an enzyme that converts dehydroepiandrosterone (DHEA), and some other steroids, into their sulphonated forms. The enzyme catalyses the sulphonation of DHEA on the 3alpha-oxygen, with 3'-phosphoadenosine-5'-phosphosulphate contributing the sulphate. The structure of human DHEA-ST in complex with its preferred substrate DHEA has been solved he...
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