Ligand recognition properties of the vasopressin V2 receptor studied under QSAR and molecular modeling strategies. 2017

Marlet Martínez-Archundia, and Brenda Colín-Astudillo, and Liliana M Moreno-Vargas, and Guillermo Ramírez-Galicia, and Ramón Garduño-Juárez, and Omar Deeb, and Martha Citlalli Contreras-Romo, and Andres Quintanar-Stephano, and Edgar Abarca-Rojano, and José Correa-Basurto
Laboratorio de Modelado Molecular y Diseño de Fármacos, Escuela Superior de Medicina-Instituto Politécnico Nacional, México City, Mexico.

The design of new drugs that target vasopressin 2 receptor (V2R) is of vital importance to develop new therapeutic alternatives to treat diseases such as heart failure, polycystic kidney disease. To get structural insights related to V2R-ligand recognition, we have used a combined approach of docking, molecular dynamics simulations (MD) and quantitative structure-activity relationship (QSAR) to elucidate the detailed interaction of the V2R with 119 of its antagonists. The three-dimensional model of V2R was built by threading methods refining its structure through MD simulations upon which the 119 ligands were subjected to docking studies. The theoretical results show that binding recognition of these ligands on V2R is diverse, but the main pharmacophore (electronic and π-π interactions) is maintained; thus, this information was validated under QSAR results. QSAR studies were performed using MLR analysis followed by ANN analysis to increase the model quality. The final equation was developed by choosing the optimal combination of descriptors after removing the outliers. The applicability domains of the constructed QSAR models were defined using the leverage and standardization approaches. The results suggest that the proposed QSAR models can reliably predict the reproductive toxicity potential of diverse chemicals, and they can be useful tools for screening new chemicals for safety assessment.

UI MeSH Term Description Entries
D008024 Ligands A molecule that binds to another molecule, used especially to refer to a small molecule that binds specifically to a larger molecule, e.g., an antigen binding to an antibody, a hormone or neurotransmitter binding to a receptor, or a substrate or allosteric effector binding to an enzyme. Ligands are also molecules that donate or accept a pair of electrons to form a coordinate covalent bond with the central metal atom of a coordination complex. (From Dorland, 27th ed) Ligand
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015195 Drug Design The molecular designing of drugs for specific purposes (such as DNA-binding, enzyme inhibition, anti-cancer efficacy, etc.) based on knowledge of molecular properties such as activity of functional groups, molecular geometry, and electronic structure, and also on information cataloged on analogous molecules. Drug design is generally computer-assisted molecular modeling and does not include PHARMACOKINETICS, dosage analysis, or drug administration analysis. Computer-Aided Drug Design,Computerized Drug Design,Drug Modeling,Pharmaceutical Design,Computer Aided Drug Design,Computer-Aided Drug Designs,Computerized Drug Designs,Design, Pharmaceutical,Drug Design, Computer-Aided,Drug Design, Computerized,Drug Designs,Drug Modelings,Pharmaceutical Designs
D017483 Receptors, Vasopressin Specific molecular sites or proteins on or in cells to which VASOPRESSINS bind or interact in order to modify the function of the cells. Two types of vasopressin receptor exist, the V1 receptor in the vascular smooth muscle and the V2 receptor in the kidneys. The V1 receptor can be subdivided into V1a and V1b (formerly V3) receptors. Antidiuretic Hormone Receptors,Receptors, V1,Receptors, V2,V1 Receptors,V2 Receptors,Vasopressin Receptors,8-Arg-Vasopressin Receptor,Antidiuretic Hormone Receptor,Antidiuretic Hormone Receptor 1a,Antidiuretic Hormone Receptor 1b,Arginine Vasopressin Receptor,Argipressin Receptor,Argipressin Receptors,Receptor, Arginine(8)-Vasopressin,Renal-Type Arginine Vasopressin Receptor,V1 Receptor,V1a Vasopressin Receptor,V1b Vasopressin Receptor,V2 Receptor,Vascular-Hepatic Type Arginine Vasopressin Receptor,Vasopressin Receptor,Vasopressin Receptor 1,Vasopressin Type 1A Receptor,Vasopressin V1a Receptor,Vasopressin V1b Receptor,Vasopressin V2 Receptor,Vasopressin V3 Receptor,8 Arg Vasopressin Receptor,Hormone Receptor, Antidiuretic,Hormone Receptors, Antidiuretic,Receptor, Antidiuretic Hormone,Receptor, Arginine Vasopressin,Receptor, Argipressin,Receptor, V1,Receptor, V2,Receptor, Vasopressin,Receptor, Vasopressin V1b,Receptor, Vasopressin V3,Receptors, Antidiuretic Hormone,Receptors, Argipressin,Renal Type Arginine Vasopressin Receptor,V1b Receptor, Vasopressin,Vascular Hepatic Type Arginine Vasopressin Receptor,Vasopressin Receptor, V1b
D056004 Molecular Dynamics Simulation A computer simulation developed to study the motion of molecules over a period of time. Molecular Dynamics Simulations,Molecular Dynamics,Dynamic, Molecular,Dynamics Simulation, Molecular,Dynamics Simulations, Molecular,Dynamics, Molecular,Molecular Dynamic,Simulation, Molecular Dynamics,Simulations, Molecular Dynamics
D021281 Quantitative Structure-Activity Relationship A quantitative prediction of the biological, ecotoxicological or pharmaceutical activity of a molecule. It is based upon structure and activity information gathered from a series of similar compounds. Structure Activity Relationship, Quantitative,3D-QSAR,QSAR,QSPR Modeling,Quantitative Structure Property Relationship,3D QSAR,3D-QSARs,Modeling, QSPR,Quantitative Structure Activity Relationship,Quantitative Structure-Activity Relationships,Relationship, Quantitative Structure-Activity,Relationships, Quantitative Structure-Activity,Structure-Activity Relationship, Quantitative,Structure-Activity Relationships, Quantitative
D065092 Antidiuretic Hormone Receptor Antagonists Endogenous compounds and drugs that inhibit or block the activity of ANTIDUIRETIC HORMONE RECEPTORS. Antidiuretic Hormone Antagonist,Antidiuretic Hormone Receptor Antagonist,Vasopressin Antagonist,Vasopressin Receptor Antagonist,Antidiuretic Hormone Antagonists,Vasopressin Antagonists,Vasopressin Receptor Antagonists,Antagonist, Antidiuretic Hormone,Antagonist, Vasopressin,Antagonist, Vasopressin Receptor,Antagonists, Antidiuretic Hormone,Antagonists, Vasopressin,Antagonists, Vasopressin Receptor,Hormone Antagonist, Antidiuretic,Hormone Antagonists, Antidiuretic,Receptor Antagonist, Vasopressin,Receptor Antagonists, Vasopressin

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