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

Database status

Database release: v3.3
Release date: 2025-01-12
Entries: 9588
Topology data: 685414
Alpha helical proteins: 9310
Beta barrel proteins: 279
PubMed links: 43320
PDB links: 31246
Visitors: 719798

Search results for #numTm: 4

Topdb search results

DPM1_PYRFU
Dolichol-phosphate mannosyltransferase

#TM: 4
Evidence level: 3D Details

DSBB_ECO57
Disulfide bond formation protein B

#TM: 4
Evidence level: 3D Details

DEDA_ECO57
Protein DedA

#TM: 4
Evidence level: Experiment Details

ELIC_DICCH
Cys-loop ligand-gated ion channel

#TM: 4
Evidence level: 3D Details

EMP3_HUMAN
Epithelial membrane protein 3

#TM: 4
Evidence level: Experiment Details