4QE7

Open MthK pore structure soaked in 10 mM Ba2+/100 mM Na+

Summary for 4QE7

• Entry DOI: 10.2210/pdb4qe7/pdb
• Related: 3LDC 3LDD 3LDE 4QE9
• Descriptor: Calcium-gated potassium channel MthK, BARIUM ION (3 entities in total)
• Functional Keywords: transmembrane, ion channel, open conformation, transport protein
• Biological source: Methanothermobacter thermautotrophicus
• Cellular location: Cell membrane; Multi-pass membrane protein: O27564
• Total number of polymer chains: 1
• Total formula weight: 9347.43

Authors

Guo, R.,Zeng, W.,Cui, H.,Chen, L.,Ye, S. (deposition date: 2014-05-15, release date: 2014-07-09, Last modification date: 2023-11-08)

• Primary citation: Guo, R.,Zeng, W.,Cui, H.,Chen, L.,Ye, S.; Ionic interactions of Ba2+ blockades in the MthK K+ channel; J.Gen.Physiol., 144:193-200, 2014; PubMed: 25024268; DOI: 10.1085/jgp.201411192

Experimental method

X-RAY DIFFRACTION (2.4 Å)