Sandbox: Difference between revisions
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:*Olmesartan is surrounded by residues from multiple transmembrane helices (TM1, TM4, TM5, TM7, TM10, TM11) within a 5 Å distance. The critical interactions involve: | :*Olmesartan is surrounded by residues from multiple transmembrane helices (TM1, TM4, TM5, TM7, TM10, TM11) within a 5 Å distance. The critical interactions involve: | ||
*'''Aromatic and Hydrophobic Cage:''' | |||
:*The biphenyl group of olmesartan is nestled near residue F438. | ::*The biphenyl group of olmesartan is nestled near residue F438. | ||
:*The tetrazole ring is positioned between the bottom-gate residues M207 and F442. | ::*The tetrazole ring is positioned between the bottom-gate residues M207 and F442. | ||
:*The imidazole moiety is located close to Y354. | ::*The imidazole moiety is located close to Y354. | ||
*'''Critical Role of Y230:''' | *'''Critical Role of Y230:''' | ||
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''' Chloride Ion Coordination is Essential''' | ''' Chloride Ion Coordination is Essential''' | ||
A key finding is the role of a chloride ion in stabilizing the olmesartan-bound state. | |||
:*'''The Chloride-Binding Site:''' A chloride ion (or bromide, used for confirmation) is observed coordinated between residues S203, Y230, and R466. | :*'''The Chloride-Binding Site:''' A chloride ion (or bromide, used for confirmation) is observed coordinated between residues S203, Y230, and R466. | ||
