SMTL ID : 4i0u.1 (1 other biounit)

Improved structure of Thermotoga maritima CorA at 2.7 A resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-pentamer

Ligands

11 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 2 residues within 4Å: Chain A: P.14 Chain D: D.175 No protein-ligand interaction detected (PLIP) MG.4: 1 residues within 4Å: Chain B: E.88 No protein-ligand interaction detected (PLIP) MG.5: 2 residues within 4Å: Chain A: D.253 Chain B: D.89 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:D.89, H2O.1, H2O.1, H2O.1, H2O.1 MG.6: 4 residues within 4Å: Chain B: D.253 Chain C: L.85, E.88, D.89 6 PLIP interactions: 1 interactions with chain C, 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: C:D.89, B:D.253, H2O.1, H2O.2, H2O.2, H2O.3 MG.15: 2 residues within 4Å: Chain C: L.12, E.88 No protein-ligand interaction detected (PLIP) MG.16: 2 residues within 4Å: Chain C: D.179, H.257 No protein-ligand interaction detected (PLIP) MG.21: 5 residues within 4Å: Chain B: G.312 Chain C: N.314 Chain D: G.312, N.314 Chain E: N.314 No protein-ligand interaction detected (PLIP) MG.22: 3 residues within 4Å: Chain A: D.89 Chain D: D.253, H.257 6 PLIP interactions: 1 interactions with chain A, 1 interactions with chain D, 4 Ligand-Water interactions Metal complexes: A:D.89, D:D.253, H2O.1, H2O.1, H2O.3, H2O.4 MG.23: 3 residues within 4Å: Chain D: L.85, D.89 Chain E: D.253 5 PLIP interactions: 2 interactions with chain D, 3 Ligand-Water interactions Metal complexes: D:D.89, D:D.89, H2O.4, H2O.4, H2O.5 MG.26: 2 residues within 4Å: Chain C: D.253 Chain E: D.89 5 PLIP interactions: 1 interactions with chain E, 1 interactions with chain C, 3 Ligand-Water interactions Metal complexes: E:D.89, C:D.253, H2O.4, H2O.4, H2O.5 MG.27: 3 residues within 4Å: Chain E: D.175, D.179, H.257 No protein-ligand interaction detected (PLIP)

8 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 6 residues within 4Å: Chain A: R.153, G.159, I.160, I.161, Y.168 Chain B: P.14 Ligand excluded by PLIP CL.7: 6 residues within 4Å: Chain B: G.159, I.160, I.161, Y.168 Chain C: P.13, P.14 Ligand excluded by PLIP CL.8: 3 residues within 4Å: Chain B: K.9, E.88, N.92 Ligand excluded by PLIP CL.17: 3 residues within 4Å: Chain C: K.9, E.88, N.92 Ligand excluded by PLIP CL.18: 5 residues within 4Å: Chain C: R.153, I.160, I.161, Y.168 Chain E: P.14 Ligand excluded by PLIP CL.24: 3 residues within 4Å: Chain D: K.9, E.88, N.92 Ligand excluded by PLIP CL.28: 5 residues within 4Å: Chain D: P.13, P.14 Chain E: R.153, I.160, Y.168 Ligand excluded by PLIP CL.29: 3 residues within 4Å: Chain E: K.9, E.88, N.92 Ligand excluded by PLIP

3 x LMT: DODECYL-BETA-D-MALTOSIDE(Non-covalent)

LMT.3: 5 residues within 4Å: Chain A: Y.311, E.320, W.323 Chain B: L.331 Ligands: LMT.9 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.320, A:W.323 LMT.9: 3 residues within 4Å: Chain B: P.328, L.331 Ligands: LMT.3 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:P.328 LMT.10: 2 residues within 4Å: Chain B: E.320, W.323 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.320

11 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.11: 3 residues within 4Å: Chain B: Q.74, E.78 Ligands: PEG.12 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Q.74 PEG.12: 3 residues within 4Å: Chain B: L.17, Q.74 Ligands: PEG.11 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Q.74 PEG.13: 2 residues within 4Å: Chain B: E.28, K.43 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:E.28, B:K.43 Water bridges: B:K.43, B:K.43 PEG.14: 1 residues within 4Å: Chain B: D.55 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:D.55 PEG.19: 1 residues within 4Å: Ligands: PEG.31 No protein-ligand interaction detected (PLIP) PEG.20: 6 residues within 4Å: Chain B: R.252 Chain C: V.99, E.100, F.101, S.234, D.238 5 PLIP interactions: 4 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:F.101, C:F.101, C:S.234, C:D.238, B:R.252 PEG.25: 1 residues within 4Å: Chain D: D.148 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:K.43, D:D.148 PEG.30: 2 residues within 4Å: Chain E: E.197, E.201 2 PLIP interactions: 2 interactions with chain E Hydrogen bonds: E:E.197, E:E.201 PEG.31: 3 residues within 4Å: Chain E: P.328 Ligands: PEG.19, PEG.32 No protein-ligand interaction detected (PLIP) PEG.32: 4 residues within 4Å: Chain E: P.328, L.331, A.332 Ligands: PEG.31 No protein-ligand interaction detected (PLIP) PEG.33: 3 residues within 4Å: Chain E: K.117, E.186, D.190 2 PLIP interactions: 2 interactions with chain E Hydrogen bonds: E:K.117, E:D.190

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

PG0.34: 1 residues within 4Å: Chain E: E.320 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:E.320

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nordin, N. et al., Exploring the structure and function of Thermotoga maritima CorA reveals the mechanism of gating and ion selectivity in Co2+/Mg2+ transport. Biochem.J. (2013)

Release Date

2013-03-06

Peptides

Magnesium transport protein CorA: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

Membrane

We predict this structure to be a membrane protein.
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Magnesium transport protein CorA

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