Peptex

Peptex is a Cybertronian settlement close to the Rust Spot.

Fiction

2005 IDW continuity

Bludgeon intended to execute Orion Pax by strapping him to a shuttle in the Rust Spot and sending it crashing and burning into the nearest settlement, though he wasn't sure if this would be Peptex or Iacon. Omega's Conundrum

Beast Wars: Uprising

Peptex was largely populated by Predacons. Unsurprisingly, it fell to the Resistance during the Grand Uprising. Safe Spaces