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Molecular determinants of ligand binding at the human histamine H₁ receptor: Site-directed mutagenesis results analyzed with ligand docking and molecular dynamics studies at H₁ homology and crystal structure models.

ABSTRACT: The human histamine H₁ G-protein coupled receptor (GPCR) is an important drug target for inflammatory, sleep, and other neuropsychiatric disorders. To delineate molecular determinants for ligand binding for drug discovery purposes, human H₁ receptor models were built by homology to the crystal structure of the human β₂ adrenoceptor (β₂AR) and from the recently reported crystal structure of the human H₁ receptor complex with doxepin at 3.1 Å (PDB code 3RZE). Ligand affinity of histamine and the H₁ antagonists mepyramine and (2S, 4R)-(-)-trans-4-phenyl-2-N, N-dimethylaminotetralin (PAT) at wild type and point-mutated (D3.32A, Y3.33A, W4.56A, F5.47A, W6.48A, Y6.51A, F6.52A, F6.55A, Y7.43A) human H₁ receptors were det

SUBMITTER: Cordova-Sintjago TC

PROVIDER: S-EPMC4085681 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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Molecular determinants of ligand binding at the human histamine H₁ receptor: Site-directed mutagenesis results analyzed with ligand docking and molecular dynamics studies at H₁ homology and crystal structure models.

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Molecular determinants of ligand binding at the human histamine H1 receptor: Site-directed mutagenesis results analyzed with ligand docking and molecular dynamics studies at H1 homology and crystal structure models.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Molecular determinants of ligand binding at the human histamine H₁ receptor: Site-directed mutagenesis results analyzed with ligand docking and molecular dynamics studies at H₁ homology and crystal structure models.