Salivary amylase
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. An oyster cracker is about two million times wider.
Rap sheet
- Answers to
- Ptyalin, in old books.
- Height
- 8.4 nm, standing on end.
- Weight
- 93 zeptograms
- Marks
- A calcium ion and a chloride ion, tucked inside.
- Habits
- Chops starch into sugars. Thins a starchy mouthful in seconds.
- Known for
- Nearly half the protein in your spit.
- Origins
- Its gene comes in 2 to 15 copies, depending whose.
- Last seen
- One chewed oyster cracker in a 5 mL tube marked CRACKER, in the freezer at HQ.
of them in a teaspoon of spit, on average.
Depends whose. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Salivary amylase, No. 94. 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.