CATH Domain 3nkdA02

CATH Classification

Level	CATH Code	Description
	1	Mainly Alpha
	1.20	Up-down Bundle
	1.20.120	Four Helix Bundle (Hemerythrin (Met), subunit A)
	1.20.120.920	CRISPR-associated endonuclease Cas1, C-terminal domain

Domain Context

CATH Clusters

Superfamily	CRISPR-associated endonuclease Cas1, C-terminal domain
Functional Family

Enzyme Information

3.1.-.-

Acting on ester bonds.

based on mapping to UniProt Q46896

UniProtKB Entries (1)

CAS1_ECOLI

Escherichia coli K-12

CRISPR-associated endonuclease Cas1

PDB Structure

PDB	3NKD
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism
Primary Citation	A dual function of the CRISPR-Cas system in bacterial antivirus immunity and DNA repair. Babu, M., Beloglazova, N., Flick, R., Graham, C., Skarina, T., Nocek, B., Gagarinova, A., Pogoutse, O., Brown, G., Binkowski, A., Phanse, S., Joachimiak, A., Koonin, E.V., Savchenko, A., Emili, A., Greenblatt, J., Edwards, A.M., Yakunin, A.F. Mol.Microbiol.