transmembrane domains

[Eric Peterson]

I don't know about many others, but I am working with the targeting and
integration of LHCP (light harvesting chloroplast protein) ,a part of the
light collection antennae complex, which has three transmembrane domains.

Simon Hoffenberg wrote:

> Dear netters,
>
> If there is more than 1 transmembrane domain in a protein, what are the
> combinations? For example, 7 domains in receptors coupled to G-proteins or
> 12 in adenylate cyclase. Is it possible to have 2 or 8-9 domains? If these
> numbers are not allowed by Mother Nature, does it mean that these proteins
> are in fact 1 and 7 transmembrane domain proteins, respectively?
>
> Simon Hoffenberg
> Baylor College of Medicine
> Houston, TX
> simonh at bcm.tmc.edu