7T20

E. coli DnaB bound to ssDNA and AMPPNP

PDB DOI: https://doi.org/10.2210/pdb7T20/pdb
NAKB: 7T20
EM Map EMD-25607: EMDB EMDataResource

Classification: REPLICATION/DNA
Organism(s): Escherichia coli K-12, Escherichia coli
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2021-12-02 Released: 2022-12-14
Deposition Author(s): Oakley, A.J., Xu, Z.Q.
Funding Organization(s): Australian Research Council (ARC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 4.70 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

Sequence of conformation changes of DnaB helicase during DNA unwinding and priming in Escherichia coli

Oakley, A.J., Xu, Z.Q.

To be published.

Macromolecule Content

Total Structure Weight: 322.87 kDa
Atom Count: 21,106
Modelled Residue Count: 2,671
Deposited Residue Count: 2,846
Unique protein chains: 1
Unique nucleic acid chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Replicative DNA helicase	A, B, C, D, E A, B, C, D, E, F	471	Escherichia coli K-12	Mutation(s): 0 Gene Names: dnaB, groP, grpA, b4052, JW4012 EC: 3.6.4.12 (PDB Primary Data), 5.6.2.3 (UniProt)
UniProt
Find proteins for P0ACB0 (Escherichia coli (strain K12)) Explore P0ACB0 Go to UniProtKB: P0ACB0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0ACB0
Sequence Annotations Expand
Reference Sequence

Find similar nucleic acids by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Length	Organism	Image
DNA (5'-D(TPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPT)-3')	G [auth M]	20	Escherichia coli
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ANP (Subject of Investigation/LOI) Query on ANP Download Ideal Coordinates CCD File SDF format, chain H [auth C] SDF format, chain J [auth D] SDF format, chain L [auth E] SDF format, chain N [auth F] MOL2 format, chain H [auth C] MOL2 format, chain J [auth D] MOL2 format, chain L [auth E] MOL2 format, chain N [auth F] mmCIF format, chain H [auth C] mmCIF format, chain J [auth D] mmCIF format, chain L [auth E] mmCIF format, chain N [auth F]	H [auth C], J [auth D], L [auth E], N [auth F]	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER C₁₀ H₁₇ N₆ O₁₂ P₃ PVKSNHVPLWYQGJ-KQYNXXCUSA-N		Interactions Focus chain H [auth C] Focus chain J [auth D] Focus chain L [auth E] Focus chain N [auth F] Interactions & Density Focus chain H [auth C] Focus chain J [auth D] Focus chain L [auth E] Focus chain N [auth F]
MG (Subject of Investigation/LOI) Query on MG Download Ideal Coordinates CCD File SDF format, chain I [auth C] SDF format, chain K [auth D] SDF format, chain M [auth E] SDF format, chain O [auth F] MOL2 format, chain I [auth C] MOL2 format, chain K [auth D] MOL2 format, chain M [auth E] MOL2 format, chain O [auth F] mmCIF format, chain I [auth C] mmCIF format, chain K [auth D] mmCIF format, chain M [auth E] mmCIF format, chain O [auth F]	I [auth C], K [auth D], M [auth E], O [auth F]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain I [auth C] Focus chain K [auth D] Focus chain M [auth E] Focus chain O [auth F] Interactions & Density Focus chain I [auth C] Focus chain K [auth D] Focus chain M [auth E] Focus chain O [auth F]