Topology Data Bank of Transmembrane Proteins
Topology, Structure and Prediction.

Database status

Database release: v3.1
Release date: 2024-01-29
Entries: 9226
Topology data: 572478
Alpha helical proteins: 8897
Beta barrel proteins: 329
PubMed links: 39605
PDB links: 27249
Visitors: 969280

Membrane definition

Prokaryotic cell

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Cell inner membrane

The prokaryotic inner cell membrane is the selectively permeablemembrane which separates the cytoplasm from the periplasm inprokaryotes with 2 membranes

  • Outside: Periplasmic space
  • Inside: Cytoplasm