Crystal structure of the high-affinity Na+,K+-ATPase–ouabain complex with Mg2+ bound in the cation binding site

M Laursen, L Yatime, P Nissen… - Proceedings of the …, 2013 - National Acad Sciences
The Na+, K+-ATPase maintains electrochemical gradients for Na+ and K+ that are critical for
animal cells. Cardiotonic steroids (CTSs), widely used in the clinic and recently assigned a …

Structural insights into the high affinity binding of cardiotonic steroids to the Na+, K+-ATPase

L Yatime, M Laursen, JP Morth, M Esmann… - Journal of structural …, 2011 - Elsevier
The Na+, K+-ATPase belongs to the P-ATPase family, whose characteristic property is the
formation of a phosphorylated intermediate. The enzyme is also a defined target for …

Binding of cardiotonic steroids to Na+,K+-ATPase in the E2P state

R Kanai, F Cornelius, H Ogawa… - Proceedings of the …, 2021 - National Acad Sciences
The sodium pump (Na+, K+-ATPase, NKA) is vital for animal cells, as it actively maintains
Na+ and K+ electrochemical gradients across the cell membrane. It is a target of cardiotonic …

Structures and characterization of digoxin- and bufalin-bound Na+,K+-ATPase compared with the ouabain-bound complex

M Laursen, JL Gregersen, L Yatime… - Proceedings of the …, 2015 - National Acad Sciences
Cardiotonic steroids (CTSs) are specific and potent inhibitors of the Na+, K+-ATPase, with
highest affinity to the phosphoenzyme (E2P) forms. CTSs are comprised of a steroid core …

[HTML][HTML] Structure–function relationships of Na+, K+, ATP, or Mg2+ binding and energy transduction in Na, K-ATPase

PL Jorgensen, PA Pedersen - Biochimica Et Biophysica Acta (BBA) …, 2001 - Elsevier
The focus of this article is on progress in establishing structure–function relationships
through site-directed mutagenesis and direct binding assay of Tl+, Rb+, K+, Na+, Mg2+ or …

The physiological significance of the cardiotonic steroid/ouabain-binding site of the Na, K-ATPase

JB Lingrel - Annual review of physiology, 2010 - annualreviews.org
The Na, K-ATPase is the membrane “pump” that generates the Na+ and K+ gradients across
the plasma membrane that drives many physiological processes. This enzyme is highly …

Ouabain binding site in a functioning Na+/K+ ATPase

W Sandtner, B Egwolf, F Khalili-Araghi… - Journal of Biological …, 2011 - ASBMB
The Na+/K+ ATPase is an almost ubiquitous integral membrane protein within the animal
kingdom. It is also the selective target for cardiotonic derivatives, widely prescribed inhibitors …

Crystal structure of the sodium-potassium pump (Na+,K+-ATPase) with bound potassium and ouabain

H Ogawa, T Shinoda, F Cornelius… - Proceedings of the …, 2009 - National Acad Sciences
The sodium-potassium pump (Na+, K+-ATPase) is responsible for establishing Na+ and K+
concentration gradients across the plasma membrane and therefore plays an essential role …

A structural view on the functional importance of the sugar moiety and steroid hydroxyls of cardiotonic steroids in binding to Na, K-ATPase

F Cornelius, R Kanai, C Toyoshima - Journal of Biological Chemistry, 2013 - ASBMB
The Na, K-ATPase is specifically inhibited by cardiotonic steroids (CTSs) like digoxin and is
of significant therapeutic value in the treatment of congestive heart failure and arrhythmia …

Na+-K+-ATPase, a new class of plasma membrane receptors

A Aperia, EE Akkuratov, JM Fontana… - American Journal of …, 2016 - journals.physiology.org
The Na+-K+-ATPase (NKA) differs from most other ion transporters, not only in its capacity to
maintain a steep electrochemical gradient across the plasma membrane, but also as a …