SMTL ID : 7bm8.1

Crystal structure of the C-terminally truncated chromosome-partitioning protein ParB from Caulobacter crescentus complexed with CTP-gamma-S

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.73 Å

Oligo State

homo-dimer

Ligands

2 x CTP: CYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

CTP.1: 23 residues within 4Å: Chain A: Q.48, R.50, L.61, S.64, I.65, G.69, V.70, L.71, Q.72, A.90, G.91, E.92, R.93, R.94, E.125, N.126, R.129 Chain B: I.124, E.125, Q.128, R.129, A.130 Ligands: MG.2 20 PLIP interactions: 16 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:L.61, B:I.124, B:Q.128 Hydrogen bonds: A:Q.48, A:Q.48, A:S.64, A:L.71, A:Q.72, A:G.91, A:E.92, A:R.93, A:R.94, A:N.126, B:A.130, B:A.130 Salt bridges: A:R.50, A:R.50, A:R.93, A:R.94, A:R.129 CTP.3: 23 residues within 4Å: Chain A: I.124, E.125, Q.128, R.129, A.130 Chain B: Q.48, R.50, L.61, S.64, I.65, G.69, V.70, L.71, Q.72, A.90, G.91, E.92, R.93, R.94, E.125, N.126, R.129 Ligands: MG.4 20 PLIP interactions: 16 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:L.61, A:I.124, A:Q.128 Hydrogen bonds: B:Q.48, B:Q.48, B:S.64, B:L.71, B:Q.72, B:G.91, B:E.92, B:R.93, B:R.94, B:N.126, A:A.130, A:A.130 Salt bridges: B:R.50, B:R.50, B:R.93, B:R.94, B:R.129

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain A: R.50, E.125, N.126, R.129 Ligands: CTP.1 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.125, A:E.125 MG.4: 5 residues within 4Å: Chain B: R.50, E.125, N.126, R.129 Ligands: CTP.3 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.125, B:E.125

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jalal, A.S. et al., A CTP-dependent gating mechanism enables ParB spreading on DNA. Elife (2021)

Release Date

2021-04-28

Peptides

Chromosome-partitioning protein ParB: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Chromosome-partitioning protein ParB

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