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: Alpha Beta (26913)
(-)
Architecture: Alpha-Beta Complex (3881)
(-)
Topology: Lambda Exonuclease; Chain A (10)
(-)
Homologous Superfamily: [code=3.90.320.10, no name defined] (3)
(-)
Escherichia coli. Organism_taxid: 562. (1)
1W36B:889-1174; E:889-1174RECBCD:DNA COMPLEX