SMTL ID : 5n78.1

Crystal structure of the cytosolic domain of the CorA Mg2+ channel from Escherichia coli in complex with magnesium and cobalt hexammine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.85 Å

Oligo State

homo-pentamer

Ligands

6 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.1: 2 residues within 4Å: Chain A: D.58 Chain B: E.142 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.58, H2O.1 MG.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.6: 4 residues within 4Å: Chain B: D.58, E.60 Chain E: D.146, E.149 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.58, H2O.1, H2O.4 MG.11: 3 residues within 4Å: Chain A: D.146 Chain C: D.58, E.60 3 PLIP interactions: 1 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:D.58, H2O.2, H2O.2 MG.15: 2 residues within 4Å: Chain C: D.146 Chain D: D.58 3 PLIP interactions: 1 interactions with chain D, 2 Ligand-Water interactions Metal complexes: D:D.58, H2O.3, H2O.3 MG.19: 2 residues within 4Å: Chain E: D.58, E.60 3 PLIP interactions: 1 interactions with chain E, 2 Ligand-Water interactions Metal complexes: E:D.58, H2O.3, H2O.4

14 x NCO: COBALT HEXAMMINE(III)(Non-covalent)

NCO.3: 4 residues within 4Å: Chain A: D.146, E.149, N.150 Chain C: E.57 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.146, A:D.146, A:N.150, A:N.150 NCO.4: 5 residues within 4Å: Chain A: E.81, E.147, N.150, D.154, I.184 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:E.81, A:E.81, A:D.85, A:E.147, A:N.150 NCO.5: 4 residues within 4Å: Chain A: S.49, L.50, E.55, D.70 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:L.50, A:E.55, A:D.70 Water bridges: A:D.70 NCO.8: 10 residues within 4Å: Chain A: N.249, Q.252 Chain B: N.249, Q.252 Chain C: N.249, Q.252 Chain D: N.249, Q.252 Chain E: N.249, Q.252 14 PLIP interactions: 2 interactions with chain B, 4 interactions with chain A, 3 interactions with chain D, 3 interactions with chain C, 2 interactions with chain E Hydrogen bonds: B:N.249, B:Q.252, A:N.249, A:N.249, A:Q.252, A:Q.252, D:Q.252, D:Q.252, C:N.249, C:Q.252, C:Q.252, E:Q.252, E:Q.252 Water bridges: D:N.249 NCO.9: 4 residues within 4Å: Chain B: S.49, E.55, D.68, D.70 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.49, B:E.55, B:E.55, B:D.70, B:D.70, B:D.70 NCO.10: 4 residues within 4Å: Chain A: E.57 Chain B: D.146, E.149, N.150 6 PLIP interactions: 1 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:E.57, B:D.146, B:D.146, B:D.146, B:E.149, B:N.150 NCO.13: 4 residues within 4Å: Chain C: S.49, L.50, E.55, D.70 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:L.50, C:E.55, C:E.55, C:D.70, C:D.70 NCO.14: 2 residues within 4Å: Chain C: E.81, D.85 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:E.81, C:D.85 Water bridges: C:E.81, C:D.85 NCO.16: 5 residues within 4Å: Chain D: E.81, D.85, E.147, N.150, I.184 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:E.81, D:E.81, D:E.147, D:E.147, D:N.150 NCO.17: 4 residues within 4Å: Chain D: D.146, E.149, N.150 Chain E: E.57 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:D.146, D:E.149, D:E.149, D:N.150, D:N.150 Water bridges: D:D.146 NCO.18: 4 residues within 4Å: Chain D: S.49, L.50, E.55, D.70 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:L.50, D:E.55, D:E.55, D:D.70 NCO.21: 5 residues within 4Å: Chain E: E.81, E.147, N.150, D.154, E.180 6 PLIP interactions: 6 interactions with chain E Hydrogen bonds: E:E.81, E:E.147, E:E.147, E:N.150, E:D.154, E:E.180 NCO.22: 4 residues within 4Å: Chain B: E.57 Chain E: D.146, E.149, N.150 6 PLIP interactions: 6 interactions with chain E Hydrogen bonds: E:D.146, E:E.149, E:E.149, E:E.149, E:N.150, E:N.150 NCO.23: 2 residues within 4Å: Chain E: S.49, E.55 2 PLIP interactions: 2 interactions with chain E Hydrogen bonds: E:E.55, E:D.68

3 x PG0: 2-(2-METHOXYETHOXY)ETHANOL(Non-functional Binders)

PG0.7: 7 residues within 4Å: Chain B: R.189, L.190, M.193, D.194 Chain E: P.228, H.229, S.232 1 PLIP interactions: 1 interactions with chain E Water bridges: E:S.225 PG0.12: 5 residues within 4Å: Chain A: P.228, S.232 Chain C: R.189, L.190, M.193 2 PLIP interactions: 2 interactions with chain C Water bridges: C:R.189, C:R.189 PG0.20: 7 residues within 4Å: Chain D: P.228, H.229, S.232 Chain E: R.189, L.190, M.193, R.197 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lerche, M. et al., Structure and Cooperativity of the Cytosolic Domain of the CorA Mg(2+) Channel from Escherichia coli. Structure (2017)

Release Date

2017-07-12

Peptides

Magnesium transport protein CorA: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

Magnesium transport protein CorA

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