CATH Search:   
       by CATH code, keyword
QuickSearch:   
by PDB,NDB,UniProt,PROSITE Code or Search Term(s)  
(use 'Shift Left-Click' to collapse/expand all levels downwards; use 'Control Left-Click' to collapse/expand all levels upwards)
 
(-)
Class: Mainly Beta (13760)
(-)
Architecture: Beta Barrel (4804)
(-)
Topology: Porin (92)
(-)
Homologous Superfamily: [code=2.40.160.20, no name defined] (20)
(-)
Escherichia coli bl21(de3). Organism_taxid: 469008. Strain: bl21de3. (1)
1BXWA:0-171OUTER MEMBRANE PROTEIN A (OMPA) TRANSMEMBRANE DOMAIN