1xsw

The solid-state NMR structure of Kaliotoxin

spinqualitylabelsall models 1xsw Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1xsw is a 1 chain structure with sequence from Androctonus mauritanicus mauritanicus. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solid-state NMR, 10 models Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function KAX31_ANDMA Potent inhibitor of large conductance calcium-activated potassium channels (BK-Ca). Also binds to the dendrotoxin sensitive voltage-dependent potassium channel. It appears to block channel activity by a simple bimolecular inhibition process. Induces a transient period of fast flickering in the channel openings, followed by an almost complete blockade of the channel. Its binding affinity to rat brain synaptosomes is 5-fold higher than this of KTX-3. Binding of the toxin to the channel is associated with significant structural rearrangements in both molecules. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. See Also Potassium channel toxin 3D structures

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