Transfer RNA
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 nanometer. About a thousand, stacked, would match the width of the yeast cell it lives in.
Rap sheet
- Answers to
- tRNA. Comes when called, but only by UUU or UUC.
- Height
- 7.3 nm, standing on one leg.
- Weight
- 41 zeptograms
- Build
- L-shaped: two arms of about 7 nm, at right angles.
- Color
- None to speak of. One letter glows violet-blue.
- Marks
- A three-letter tattoo, GAA, at the tip of one arm.
- Habits
- Fetches and carries for the ribosome. Gets the wrong amino acid once in 10,000 trips. Not its fault.
- First seen
- Its first mugshots were taken in both Cambridges: Massachusetts and England.
- Last seen
- A 5 mL tube marked YEAST in the fridge at HQ.
of them in every yeast cell, give or take, and a packet
of baker’s yeast holds about 200 billion cells. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Transfer RNA, No. 8. 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.