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TitleMechanism of SK2 channel gating and its modulation by the bee toxin apamin and small molecules
Journal, issue, pagesTo Be Published
Publish dateApr 8, 2025 (structure data deposition date)
AuthorsCassell SJ / Li W / Krautwald S / Khoshouei M / Lee YT / Hou J / Guan W / Peukert S / Wilhelm WA / Whicher JR
External linksSearch PubMed
MethodsEM (single particle)
Resolution3.1 - 3.4 Å
Structure data

70089

9o48

EMDB-70089, PDB-9o48:
Cryo-EM structure of the human SK2-4 chimera/calmodulin channel complex in the Ca2+ bound state
Method: EM (single particle) / Resolution: 3.1 Å

70120

9o51

EMDB-70120, PDB-9o51:
Cryo-EM structure of the human SK2-4 chimera/calmodulin channel complex in the Ca2+ free state
Method: EM (single particle) / Resolution: 3.4 Å

70121

9o52

EMDB-70121, PDB-9o52:
Cryo-EM structure of the human SK2-4 chimera/calmodulin channel complex bound to the bee toxin apamin
Method: EM (single particle) / Resolution: 3.18 Å

70122

9o53

EMDB-70122, PDB-9o53:
Cryo-EM structure of the human SK2-4 chimera/calmodulin channel complex bound to a small molecule inhibitor
Method: EM (single particle) / Resolution: 3.3 Å

70145

9o5o

EMDB-70145, PDB-9o5o:
Cryo-EM structure of the human SK2-4 chimera/calmodulin channel complex bound to a small molecule activator
Method: EM (single particle) / Resolution: 3.1 Å

Chemicals

ChemComp-K:
Unknown entry

ChemComp-CA:
Unknown entry

PDB-1b8d:
CRYSTAL STRUCTURE OF A PHYCOUROBILIN-CONTAINING PHYCOERYTHRIN

PDB-1b8g:
1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE

Source
  • homo sapiens (human)
  • apis mellifera (honey bee)
KeywordsTRANSPORT PROTEIN / Ion channel / Calcium / Potassium / Calmodulin / TRANSPORT PROTEIN/TOXIN / Toxin / Apamin / TRANSPORT PROTEIN-TOXIN complex / TRANSPORT PROTEIN/INHIBITOR / Inhibitor / TRANSPORT PROTEIN-INHIBITOR complex / Activator

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