Domain

Structures: Chitin binding domain (IPR002557)

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.

1iyc  1dqc 

CATH

CATH is a hierarchical classification of protein model structures.

2.170.140.10 

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.

g.31.1.1  g.31.1.2