Domain

Structures: RNA polymerase sigma factor, region 3/4 (IPR013324)

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.

2a6h  1l9z  4g7z  3eql  3dxj  4g7o  4g7h  2h27  1tty  1ku7  1smy  1rp3  1xsv  1or7  2a6e  2be5  1tlh  2a68  4nqw  1ku2  1sc5  1rio  2a69  1l0o  1zyr  1s7o  2p7v  1ku3  2cw0  1iw7  3vep  1l9u  3vfz  2o8x  3hug 

CATH

CATH is a hierarchical classification of protein model structures.

1.10.10.10 

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.4.13.2  i.8.1.1  a.4.13.1  a.4.13.3