The ribose of protein-bound nucleosides and nucleotides displays preferred conformations (usually either North or South), which can be exploited to design enhanced analogs having chemically fixed conformations. We introduce a computational protocol for assembling data from the protein database (PDB) on the ribose and ribose-like conformation of small molecule ligands when complexed with purinergic signaling proteins (including receptors, enzymes and transporters, and related intracellular pathways). Some targets prefer exclusively North (adenosine and P2Y1 receptors, CD73, adenosine kinase ATP/ADP-binding site, adenosine deaminase), others prefer South (P2Y12 receptor, E-NTPDase2) or East (adenosine kinase substrates), while others (P2XRs) allow various conformations.
Survey of ribose ring pucker of signaling nucleosides and nucleotides
Salmaso V.;
2020
Abstract
The ribose of protein-bound nucleosides and nucleotides displays preferred conformations (usually either North or South), which can be exploited to design enhanced analogs having chemically fixed conformations. We introduce a computational protocol for assembling data from the protein database (PDB) on the ribose and ribose-like conformation of small molecule ligands when complexed with purinergic signaling proteins (including receptors, enzymes and transporters, and related intracellular pathways). Some targets prefer exclusively North (adenosine and P2Y1 receptors, CD73, adenosine kinase ATP/ADP-binding site, adenosine deaminase), others prefer South (P2Y12 receptor, E-NTPDase2) or East (adenosine kinase substrates), while others (P2XRs) allow various conformations.
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