Domain

Structures: Tower (IPR015205)

PDBe

The Protein Data Bank (PDB) is a repository for the 3-D structural data of large biological molecules, such as proteins and nucleic acids.

1miu  1iyj  1mje 

CATH

CATH is a hierarchical classification of protein model structures.

2.40.50.140 

SCOP

The Structural Classification of Proteins (SCOP) database is a largely manual classification of protein structural domains based on similarities of their amino acid sequences and three-dimensional structures.

a.171.1.1