Interlocking Lambda Phage Cro Repressor Protein and DNA

by mrule, published

Interlocking Lambda Phage Cro Repressor Protein and DNA by mrule Jul 9, 2010
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These are two molecular models of a lambda bacteriophage Cro protein and a region of DNA to which it binds. As long as this protein is bound to DNA, the phage will remain dormant. Stress triggers degradation of this protein and re-expression of the phage.


The narrow towers don't quite print right on my bot, your mileage may vary. I wish I'd made them every so slightly smaller so they fit better, or had some sort of sand-blasting polishing tool.

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You can smooth them out using chemicals. Acetone can be used on ABS and tetrahydrofuran (THF) can be used on PLA. Here are explanations and a video about how to smooth them using a vapor treatment:

The file for the DNA is apparent, but which of the other two files represents the Cro model that will bind to the DNA?

For a fishtank, I would suggest openings in it that would allow a small fish to escape a big one.

has the appearance of coral reef growth and it looks like it would make great fish tank decorations. sweet

Try turning on the cool feature in your skeinforge settings.

cool is on with 10 seconds, the problem is that tight curves accumulate too much plastic. I can't figure out how to tune this, since it is only the tight curves, and decreasing plastic overall causes poor print quality elsewhere.

DaveD - in reply to mrule

That's what the google group (and forums) are for!

If your Z-stage woes are now pretty much settled, fire up a new thread.