ER membrane Marker

Nick Theodorakis nicholas_theodorakis at
Wed Dec 20 09:48:37 EST 2000

In article <rh-2012001010500001 at>,
  rh at (Robert Hartley) wrote:
> In article <91pofu$4d26$1 at>, "Martin Offterdinger"
> <martin.offterdinger at> wrote:
> A bit of a guess here but I would imagine one of the ER Ca2+ pumps or  a
> translocon subunit.
> > Hi everyone,
> > I am looking for a marker protein for the ER membrane; it should be
> > expressed at reasonably high levels in all human cells and an antibody for
> > Westerns should be available.

What about GRP78/Bip or protein disulfide isomerase?

Also, isn't HmG-CoA reductase in the ER?


Nick Theodorakis
nicholas_theodorakis at

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