[HTML][HTML] Molecular basis of the facilitation of the heterooligomeric GIRK1/GIRK4 complex by cAMP dependent protein kinase

F Treiber, C Rosker, T Keren-Raifman… - … et Biophysica Acta (BBA …, 2013 - Elsevier
G-protein activated inwardly rectifying K+ channels (GIRKs) of the heterotetrameric
GIRK1/GIRK4 composition mediate IK+ ACh in atrium and are regulated by cAMP …

Gβγ binding to GIRK4 subunit is critical for G protein-gated K+ channel activation

G Krapivinsky, ME Kennedy, J Nemec, I Medina… - Journal of Biological …, 1998 - ASBMB
The cardiac G protein-gated K+ channel, I KACh, is directly activated by G protein βγ
subunits (G βγ). I KACh is composed of two inward rectifier K+ channel subunits, GIRK1 and …

Identification of native atrial G-protein-regulated inwardly rectifying K+ (GIRK4) channel homomultimers

S Corey, DE Clapham - Journal of Biological Chemistry, 1998 - ASBMB
G-protein-regulated inwardly rectifying K+(GIRK) channels play critical inhibitory roles
throughout the nervous system, heart, and pancreas. They are believed to be …

Control of channel activity through a unique amino acid residue of a G protein-gated inwardly rectifying K+ channel  subunit

KW Chan, JL Sui, M Vivaudou… - Proceedings of the …, 1996 - National Acad Sciences
G protein-gated inwardly rectifying K+ (GIRK) channels, which are important regulators of
membrane excitability both in heart and brain, appear to function as heteromultimers. GIRK1 …

Signalling via the G protein-activated K+ channels

N Dascal - Cellular signalling, 1997 - Elsevier
The inwardly rectifying K+ channels of the GIRK (Kir3) family, members of the superfamily of
inwardly rectifying K+ channels (Kir), are important physiological tools to regulate excitability …

The stoichiometry of Gβγ binding to G-protein-regulated inwardly rectifying K+ channels (GIRKs)

S Corey, DE Clapham - Journal of Biological Chemistry, 2001 - ASBMB
G-protein-coupled inwardly rectifying K+(GIRK; Kir3. x) channels are the primary effectors of
numerous G-protein-coupled receptors. GIRK channels decrease cellular excitability by …

Functional and biochemical evidence for G-protein-gated inwardly rectifying K+ (GIRK) channels composed of GIRK2 and GIRK3

TM Jelacic, ME Kennedy, K Wickman… - Journal of Biological …, 2000 - ASBMB
G-protein-gated inwardly rectifying K+(GIRK) channels are widely expressed in the brain
and are activated by at least eight different neurotransmitters. As K+ channels, they drive the …

Molecular determinants responsible for differential cellular distribution of G protein-gated inwardly rectifying K+ channels

T Mirshahi, DE Logothetis - Journal of Biological Chemistry, 2004 - ASBMB
Activation of the heteromeric G protein-gated inwardly rectifying K+ channel (GIRK) GIRK1
and GIRK4 subunits gives rise to I KACh, which controls excitability in atrial tissue. Although …

A switch mechanism for Gβγ activation of IKACh

I Medina, G Krapivinsky, S Arnold, P Kovoor… - Journal of Biological …, 2000 - ASBMB
G protein-gated inwardly rectifying potassium (GIRK) channels are a family of K+-selective
ion channels that slow the firing rate of neurons and cardiac myocytes. GIRK channels are …

Heterologous Facilitation of G Protein-Activated K+ Channels by β-Adrenergic Stimulation via Camp-Dependent Protein Kinase

C Müllner, D Vorobiov, AK Bera, Y Uezono… - The Journal of general …, 2000 - rupress.org
To investigate possible effects of adrenergic stimulation on G protein–activated inwardly
rectifying K+ channels (GIRK), acetylcholine (ACh)-evoked K+ current, IKACh, was recorded …