CATH Classification

Domain Context

CATH Clusters

Superfamily DNAb Helicase; Chain A
Functional Family

Enzyme Information

3.6.4.12
DNA helicase.
based on mapping to UniProt P0ACB0
ATP + H(2)O = ADP + phosphate.
-!- DNA helicases utilize the energy from ATP hydrolysis to unwind double-stranded DNA. -!- Some of them unwind duplex DNA with a 3' to 5' polarity (1,3,5,8), other show 5' to 3' polarity (10,11,12,13) or unwind DNA in both directions (14,15). -!- Some helicases unwind DNA as well as RNA (4,9). -!- May be identical with EC 3.6.4.13 (RNA helicase).

UniProtKB Entries (1)

P0ACB0
DNAB_ECOLI
Escherichia coli K-12
Replicative DNA helicase

PDB Structure

PDB 1JWE
External Links
Method SOLUTION NMR
Organism Escherichia
Primary Citation
NMR structure of the N-terminal domain of E. coli DnaB helicase: implications for structure rearrangements in the helicase hexamer.
Weigelt, J., Brown, S.E., Miles, C.S., Dixon, N.E., Otting, G.
Structure Fold.Des.