Permanent link to this comic: https://xkcd.com/1430/
Image URL (http://www.indexloc.com/mian/index.php?q=%99%A6%A7%A4%A8p%60a%AB%9F%98%9A_%95%A2%A1dgeecc%9B%A5%A3R%9B%A3%A9%A2%9A%A0%9E%9D%A3%9D%60%97%A0%96%9A%9A%95%9B%A1%9B): https://imgs.xkcd.com/comics/proteins.png
{{Title text: Check it out--when I tug the C-terminal tail, the binding tunnel squeezes!}}
[[Man and woman talking]]
Man: What do you do?
Woman: I make software that predicts how proteins will fold.
[[Same scene layout, second panel]]
Man: Is that a hard problem?
Woman: Someone may someday find a harder one.
[[Same scene layout, third panel]]
Man: Why is it so hard?
Woman: Have you ever made a folded paper crane?
Man: Yeah.
[[Same scene layout, fourth panel]]
Woman: Imagine figuring out the folds to make an actual living crane.
Man: ... just folds? Can I make cuts?
Woman: If you can fold a protease enzyme.
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