Green fluorescent protein
File sealed
The detectives are still writing this one up. The poster and the facts are below; the film and the interrogation room open soon.
Booking photographs


The suspect, from its real atomic coordinates. Drag to turn it. Height chart in nanometers, a line every 0.2 nm. About 15,000 stacked end to end would span the width of a human hair.
Rap sheet
- Answers to
- GFP, around the lab.
- Height
- 5.3 nm, standing on end.
- Weight
- 45 zeptograms
- Build
- A can of 11 strands, with the glowing part sealed inside.
- Marks
- Glows green under blue light. Makes the glow itself, from three of its own links.
- Associates
- In the jellyfish, turns a partner’s blue light green.
- Origins
- A Pacific Northwest jellyfish. This one is a brighter, lab-made version.
- Known for
- Hitch it to any protein and watch where that protein goes.
- Last seen
- A 5 mL tube marked GFP in the fridge at HQ.
of them in a teaspoon of glowing bacteria, give or take a lot.
Batches vary. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Green fluorescent protein, No. 37. They were made for noticeboards around Boston, Cambridge and the rest of the east coast.
Found one? Scan its QR code with your phone. If you're a signed-in player, the sighting goes on your record with +1 XP.
Not a player yet? Join the Epic Quest: the real role-playing game of Molecular Reality, a nanopore lab, with the CEO as gamemaster.