Active Site

Structures: DNA topoisomerase I, active site (IPR018521)

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.

1rr8  1sc7  1seu  1a36  1tl8  1rrj  1lpq  1a31  1a35  1t8i  1r49  1k4s  1ej9  1nh3  1a41  1k4t 

CATH

CATH is a hierarchical classification of protein model structures.

1.20.120.380  1.10.132.10 

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.

a.2.8.1  d.163.1.2