SMTL ID : 7t23.1

E. coli DnaB bound to two DnaG C-terminal domains, ssDNA, ADP and AlF4

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-6-2-mer

Ligands

5 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 21 residues within 4Å: Chain A: Q.441, R.442, N.443, G.444, P.445 Chain B: R.232, P.233, S.234, M.235, G.236, K.237, T.238, T.239, R.271, D.280, T.282, G.455, Q.456, S.458 Ligands: ALF.2, MG.3 11 PLIP interactions: 9 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:S.234, B:S.234, B:M.235, B:G.236, B:K.237, B:T.238, B:T.239, B:D.280, A:Q.441, A:G.444 Salt bridges: B:R.271 ADP.4: 19 residues within 4Å: Chain B: Q.441, R.442, G.444, P.445 Chain C: P.233, S.234, M.235, G.236, K.237, T.238, T.239, R.271, D.280, T.282, F.453, G.455, Q.456 Ligands: ALF.5, MG.6 10 PLIP interactions: 9 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:S.234, C:S.234, C:G.236, C:K.237, C:T.238, C:T.239, C:D.280, C:T.282, B:G.444 Salt bridges: C:R.271 ADP.7: 18 residues within 4Å: Chain C: K.440, Q.441, R.442, N.443, G.444, P.445 Chain D: S.234, M.235, G.236, K.237, T.238, T.239, R.271, T.282, G.455, Q.456 Ligands: ALF.8, MG.9 12 PLIP interactions: 11 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:S.234, D:S.234, D:M.235, D:G.236, D:K.237, D:T.238, D:T.239, D:T.282, D:T.282, D:R.420, C:G.444 Salt bridges: D:R.271 ADP.10: 21 residues within 4Å: Chain D: Q.441, R.442, G.444, P.445, I.446 Chain E: R.232, P.233, S.234, M.235, G.236, K.237, T.238, T.239, R.271, D.280, T.282, F.453, G.455, Q.456 Ligands: ALF.11, MG.12 10 PLIP interactions: 1 interactions with chain D, 9 interactions with chain E Hydrogen bonds: D:G.444, E:S.234, E:S.234, E:M.235, E:G.236, E:K.237, E:T.238, E:D.280, E:D.280 Salt bridges: E:R.271 ADP.13: 18 residues within 4Å: Chain E: Q.441, R.442, N.443, G.444, P.445 Chain F: P.233, S.234, M.235, G.236, K.237, T.238, T.239, R.271, T.282, G.455, Q.456 Ligands: ALF.14, MG.15 12 PLIP interactions: 12 interactions with chain F Hydrogen bonds: F:S.234, F:S.234, F:M.235, F:G.236, F:K.237, F:T.238, F:T.238, F:T.239, F:T.282, F:T.282, F:R.420 Salt bridges: F:R.271

5 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 7 residues within 4Å: Chain A: K.440 Chain B: K.237, T.238, E.262, Q.384 Ligands: ADP.1, MG.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:E.262 ALF.5: 8 residues within 4Å: Chain B: K.440 Chain C: P.233, S.234, T.238, E.262, Q.384 Ligands: ADP.4, MG.6 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:E.262 ALF.8: 7 residues within 4Å: Chain C: K.440 Chain D: K.237, T.238, E.262, Q.384 Ligands: ADP.7, MG.9 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:E.262 ALF.11: 7 residues within 4Å: Chain D: K.440 Chain E: K.237, T.238, E.262, Q.384 Ligands: ADP.10, MG.12 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:E.262 ALF.14: 10 residues within 4Å: Chain E: K.440 Chain F: P.233, S.234, K.237, T.238, E.262, D.343, Q.384 Ligands: ADP.13, MG.15 No protein-ligand interaction detected (PLIP)

5 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain B: T.238, E.262 Ligands: ADP.1, ALF.2 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:T.238, B:E.262 MG.6: 4 residues within 4Å: Chain C: T.238, E.262 Ligands: ADP.4, ALF.5 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:T.238, C:E.262 MG.9: 4 residues within 4Å: Chain D: T.238, E.262 Ligands: ADP.7, ALF.8 2 PLIP interactions: 2 interactions with chain D Metal complexes: D:T.238, D:E.262 MG.12: 4 residues within 4Å: Chain E: T.238, E.262 Ligands: ADP.10, ALF.11 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:T.238 MG.15: 3 residues within 4Å: Chain F: T.238 Ligands: ADP.13, ALF.14 1 PLIP interactions: 1 interactions with chain F Metal complexes: F:T.238

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Oakley, A.J. et al., Sequence of conformation changes of DnaB helicase during DNA unwinding and priming in Escherichia coli. To Be Published

Release Date

2023-01-18

Peptides

Replicative DNA helicase: ABCDEF
DNA primase: GH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

Replicative DNA helicase

DNA primase

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