Domain

Structures: Ribosomal protein S4e, central region (IPR013845)

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.

3kbg 

CATH

CATH is a hierarchical classification of protein model structures.

2.30.30.30  2.40.50.740  3.10.290.10