Domain

Structures: Protein-tyrosine phosphatase, YopH, N-terminal (IPR015103)

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.

1huf  1k46  1m0v 

CATH

CATH is a hierarchical classification of protein model structures.

3.30.1570.10 

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.

d.195.1.1