6juh

structure of CavAb in complex with efonidipine

spinqualitylabelsall models 6juh, resolution 3.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6juh is a 4 chain structure with sequence from Aliarcobacter butzleri RM4018. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 3Å Ligands: C9X, CA, G3P, MC3, PX4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function A8EVM5_ALIB4 Publication Abstract from PubMed Efonidipine is a dual L-/T- type calcium channel blocker with a slow onset of action and a long lasting effect that exibihits antihypertensive and nephroprotective effects. differs from most other DHPs which can induce reflex tachycardia. Efonidipine reduces blood pressure without decreasing cardiac output and exerts organ-protective effects on the heart and kidney. In order to investigate how efonidipine block voltage-gated Ca(2+) channel, we determined the crystal structure of CaVAb in complex with efonidipine at atomic resolution using x-ray crystallography. Our results reveal that efonidipine targets the central cavity of a model voltage-gated calcium channel underneath its selectivity filter and occlude the channel in an inactivated state. Binding of efonidipine does not break down the fourfold symmetry of the quaternary structure and its pore structure. Our work provides the structural basis for efonidipine block of a voltage-gated Ca(2+) channel at the molecular level. Structural basis for efonidipine block of a voltage-gated Ca(2+) channel.,Xu F, Xiong W, Huang Y, Shen J, Zhou D, Tang L Biochem Biophys Res Commun. 2019 Jun 4;513(3):631-634. doi:, 10.1016/j.bbrc.2019.03.176. Epub 2019 Apr 10. PMID:30981510 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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