Domain

Structures: SEP domain (IPR012989)

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.

1jru  1vaz  1i42  1ss6  1s3s 

CATH

CATH is a hierarchical classification of protein model structures.

3.10.20.90 

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.15.1.2  d.245.1.1