CATH Domain 3sxuB00

CATH Classification

Level	CATH Code	Description
	3	Alpha Beta
	3.40	3-Layer(aba) Sandwich
	3.40.50	Rossmann fold
	3.40.50.10220	DNA polymerase III, psi subunit

Domain Context

CATH Clusters

Superfamily	DNA polymerase III, psi subunit
Functional Family	DNA polymerase III subunit psi

Enzyme Information

2.7.7.7

DNA-directed DNA polymerase.

based on mapping to UniProt P28632

Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1).

-!- Catalyzes DNA-template-directed extension of the 3'-end of a DNA strand by one nucleotide at a time. -!- Cannot initiate a chain de novo. -!- Requires a primer which may be DNA or RNA. -!- See also EC 2.7.7.49.

UniProtKB Entries (1)

P28632

HOLD_ECOLI

Escherichia coli K-12

DNA polymerase III subunit psi

PDB Structure

PDB	3SXU
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism
Primary Citation	Structure of the SSB-DNA polymerase III interface and its role in DNA replication. Marceau, A.H., Bahng, S., Massoni, S.C., George, N.P., Sandler, S.J., Marians, K.J., Keck, J.L. Embo J.