Synthesis and assembly of connexins in vitro into homomeric and heteromeric functional gap junction hemichannels

S Ahmad, JA Diez, CH GEORGE… - Biochemical …, 1999 - portlandpress.com
The biogenesis of connexins and their assembly into functional gap junction hemichannels
(connexons) was studied with the use of a cell-free transcription/translation system. Velocity …

[HTML][HTML] Cell-free synthesis and assembly of connexins into functional gap junction membrane channels

MM Falk, LK Buehler, NM Kumar, NB Gilula - The EMBO journal, 1997 - embopress.org
Several different gap junction channel subunit isotypes, known as connexins, were
synthesized in a cell-free translation system supplemented with microsomal membranes to …

Membrane insertion of gap junction connexins: polytopic channel forming membrane proteins.

MM Falk, NM Kumar, NB Gilula - The Journal of cell biology, 1994 - rupress.org
Connexins, the proteins that form gap junction channels, are polytopic plasma membrane
(PM) proteins that traverse the plasma membrane bilayer four times. The insertion of five …

Post-translational integration and oligomerization of connexin 26 in plasma membranes and evidence of formation of membrane pores: implications for the assembly …

S Ahmad, WH Evans - Biochemical Journal, 2002 - portlandpress.com
Gap-junction channels provide a widespread intercellular signalling mechanism. They are
constructed of a family of connexin membrane proteins that thread across the membrane …

Targeting motifs and functional parameters governing the assembly of connexins into gap junctions

PEM Martin, J Steggles, C Wilson, S Ahmad… - Biochemical …, 2000 - portlandpress.com
To study the assembly of gap junctions, connexin-green-fluorescent-protein (Cx-GFP)
chimeras were expressed in COS-7 and HeLa cells. Cx26-and Cx32-GFP were targeted to …

Connexin43 and connexin26 form gap junctions, but not heteromeric channels in co-expressing cells

J Gemel, V Valiunas, PR Brink… - Journal of cell …, 2004 - journals.biologists.com
Many cells contain two (or more) gap junction proteins that are able to oligomerize with each
other to form heteromeric gap junction channels and influence the properties of intercellular …

Channel-forming activity of immunoaffinity-purified connexin32 in single phospholipid membranes

SK Rhee, CG Bevans, AL Harris - Biochemistry, 1996 - ACS Publications
Connexin32, a member of the family of proteins that forms gap junction channels between
cells, was immunoaffinity-purified from rat liver using a monoclonal antibody, under …

Identification of a pore lining segment in gap junction hemichannels

XW Zhou, A Pfahnl, R Werner, A Hudder, A Llanes… - Biophysical journal, 1997 - cell.com
The ability of certain connexins to form open hemichannels has been exploited to study the
pore structure of gap junction (hemi) channels. Cysteine scanning mutagenesis was applied …

Rapid determination of gap junction formation using HeLa cells microinjected with cDNAs encoding wild-type and chimeric connexins

CH George, PEM Martin, WH Evans - Biochemical and biophysical …, 1998 - Elsevier
A procedure for rapidly determining the functionality of gap junctions constructed of
recombinant connexins in communication-deficient HeLa cells is described. Nuclear …

Assembly of heteromeric connexons in guinea‐pig liver en route to the Golgi apparatus, plasma membrane and gap junctions

JA Diez, S Ahmad, WH Evans - European journal of …, 1999 - Wiley Online Library
Guinea‐pig liver gap junctions are constructed from approximately equal amounts of
connexins 26 and 32. The assembly of these connexins into connexon hemichannels and …