SMTL ID : 3e83.1 (1 other biounit)

Crystal Structure of the the open NaK channel pore

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-tetramer

Ligands

4 x CS: CESIUM ION(Non-covalent)

CS.1: 15 residues within 4Å: Chain A: T.45, V.46 Chain B: T.45, V.46 Chain C: T.45, V.46 Chain D: T.45, V.46 Ligands: NA.2, CS.4, NA.5, CS.7, NA.8, CS.10, NA.11 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain A Metal complexes: D:T.45, C:T.45, B:T.45, A:T.45 CS.4: 15 residues within 4Å: Chain A: T.45, V.46 Chain B: T.45, V.46 Chain C: T.45, V.46 Chain D: T.45, V.46 Ligands: CS.1, NA.2, NA.5, CS.7, NA.8, CS.10, NA.11 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain A Metal complexes: D:T.45, C:T.45, B:T.45, A:T.45 CS.7: 15 residues within 4Å: Chain A: T.45, V.46 Chain B: T.45, V.46 Chain C: T.45, V.46 Chain D: T.45, V.46 Ligands: CS.1, NA.2, CS.4, NA.5, NA.8, CS.10, NA.11 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain A Metal complexes: D:T.45, C:T.45, B:T.45, A:T.45 CS.10: 15 residues within 4Å: Chain A: T.45, V.46 Chain B: T.45, V.46 Chain C: T.45, V.46 Chain D: T.45, V.46 Ligands: CS.1, NA.2, CS.4, NA.5, CS.7, NA.8, NA.11 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain A Metal complexes: D:T.45, C:T.45, B:T.45, A:T.45

8 x NA: SODIUM ION(Non-functional Binders)

NA.2: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: CS.1, CS.4, NA.5, CS.7, NA.8, CS.10, NA.11 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:V.46 NA.3: 7 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: NA.6, NA.9, NA.12 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: D:T.45, C:T.45, B:T.45, A:T.45, A:T.45 NA.5: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: CS.1, NA.2, CS.4, CS.7, NA.8, CS.10, NA.11 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:V.46 NA.6: 7 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: NA.3, NA.9, NA.12 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: D:T.45, C:T.45, B:T.45, A:T.45, A:T.45 NA.8: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: CS.1, NA.2, CS.4, NA.5, CS.7, CS.10, NA.11 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:V.46 NA.9: 7 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: NA.3, NA.6, NA.12 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: D:T.45, C:T.45, B:T.45, A:T.45, A:T.45 NA.11: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: CS.1, NA.2, CS.4, NA.5, CS.7, NA.8, CS.10 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:V.46 NA.12: 7 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: NA.3, NA.6, NA.9 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: D:T.45, C:T.45, B:T.45, A:T.45, A:T.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Alam, A. et al., Structural analysis of ion selectivity in the NaK channel. Nat.Struct.Mol.Biol. (2009)

Release Date

2008-12-23

Peptides

Potassium channel protein: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Membrane

We predict this structure to be a membrane protein.
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Potassium channel protein

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