Heteromeric assembly of P2X subunits

A Saul, R Hausmann, A Kless, A Nicke - Frontiers in cellular …, 2013 - frontiersin.org
Transcripts and/or proteins of P2X receptor (P2XR) subunits have been found in virtually all
mammalian tissues. Generally more than one of the seven known P2X subunits have been …

Homotrimeric complexes are the dominant assembly state of native P2X7 subunits

A Nicke - Biochemical and biophysical research communications, 2008 - Elsevier
P2X receptors (P2XRs) are trimeric ATP-gated cation channels. Seven subunits have been
cloned. P2X4 and P2X7 subunits show overlapping expression and both subunits are …

Biochemical and functional evidence for heteromeric assembly of P2X1 and P2X4 subunits

A Nicke, D Kerschensteiner, F Soto - Journal of neurochemistry, 2005 - Wiley Online Library
P2X receptors are ligand‐gated ion channels activated by extracellular ATP. In expression
systems, P2X subunits form homo‐and heterotrimeric receptors. Heteromerization is also …

Molecular and functional properties of P2X receptors—recent progress and persisting challenges

K Kaczmarek-Hájek, É Lörinczi, R Hausmann… - Purinergic …, 2012 - Springer
Abstract ATP-gated P2X receptors are trimeric ion channels that assemble as homo-or
heteromers from seven cloned subunits. Transcripts and/or proteins of P2X subunits have …

Hetero-oligomeric assembly of P2X receptor subunits: specificities exist with regard to possible partners

GE Torres, TM Egan, MM Voigt - Journal of Biological Chemistry, 1999 - ASBMB
P2X receptors are a distinct family of ligand-gated ion channels activated by extracellular
ATP. Each of the seven identified subunit proteins (P2X 1 through P2X 7) has been reported …

P2X5 subunit assembly requires scaffolding by the second transmembrane domain and a conserved aspartate

W Duckwitz, R Hausmann, A Aschrafi… - Journal of Biological …, 2006 - ASBMB
Functional homomeric and heteromeric ATP-gated P2X receptor channels have been
shown to display a characteristic trimeric architecture. Of the seven different isoforms …

Role of ectodomain lysines in the subunits of the heteromeric P2X2/3 receptor

WJ Wilkinson, LH Jiang, A Surprenant, RA North - Molecular pharmacology, 2006 - ASPET
Lysine residues near each end of the receptor ectodomain (in rat P2X2 Lys69 and Lys308)
have been implicated in ATP binding to P2X receptors. We recorded membrane currents …

Coexpression of P2X3 and P2X2 receptor subunits in varying amounts generates heterogeneous populations of P2X receptors that evoke a spectrum of agonist …

M Liu, BF King, PM Dunn, W Rong… - … of Pharmacology and …, 2001 - ASPET
Using voltage-clamp procedures on Xenopus oocytes, agonist-evoked ionic currents by P2X
receptors resulting from the coexpression of P2X2 and P2X3 subunits were compared …

Identification of an intersubunit cross-link between substituted cysteine residues located in the putative ATP binding site of the P2X1 receptor

B Marquez-Klaka, J Rettinger, Y Bhargava… - Journal of …, 2007 - Soc Neuroscience
P2X receptors are ATP-gated nonselective cation channels. Functional receptors are
assembled as homotrimers or heterotrimers of seven cloned subunits. Each subunit contains …

P2X2 and P2X5 subunits define a new heteromeric receptor with P2X7-like properties

V Compan, L Ulmann, O Stelmashenko… - Journal of …, 2012 - Soc Neuroscience
Ligand-gated ion channels are prototypic oligomeric membrane proteins whose
stoichiometry determines their functional properties and subcellular localization …