- A: a+b three layers
- X: C-terminal segment in 5'->3' exoribonucleases
- H: C-terminal segment in 5'->3' exoribonucleases
- T: C-terminal segment in 5'->3' exoribonucleases
- F:
Structure of domain e5firA3
Domains in the same protein:
Domains in the same PDB: