Antifreeze 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, ruled every 0.5 nm. A quarter is about 300,000 times thicker.
Rap sheet
- Answers to
- AFP6. The most common one in the fish’s blood.
- Height
- 6 nm, standing on end. 37 links long.
- Weight
- 5.4 zeptograms
- Build
- A single stiff helix. Mostly alanine.
- Marks
- A threonine every 11 links, lined up down one side, to grip ice.
- Habits
- Sticks to tiny ice crystals and stops them growing.
- Hours
- Winters only. Hardly any left by summer.
- First seen
- The first of its kind, found in this fish’s blood.
- Last seen
- A 5 mL tube marked FLOUNDER in the freezer at HQ.
of them in a teaspoon of a winter flounder’s blood serum, midwinter.
You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Antifreeze protein, No. 95. 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.
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