SMTL ID : 3e8b.2 (1 other biounit)

Crystal Structure of the the open NaK channel- Rb+ complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-tetramer

Ligands

8 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.1: 3 residues within 4Å: Chain A: S.19, F.61, Y.65 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.19 MPD.2: 2 residues within 4Å: Chain A: L.15, I.18 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.18 MPD.8: 3 residues within 4Å: Chain B: S.19, F.61, Y.65 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.19 MPD.9: 2 residues within 4Å: Chain B: L.15, I.18 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:I.18 MPD.15: 3 residues within 4Å: Chain C: S.19, F.61, Y.65 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:S.19 MPD.16: 2 residues within 4Å: Chain C: L.15, I.18 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:I.18 MPD.22: 3 residues within 4Å: Chain D: S.19, F.61, Y.65 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:S.19 MPD.23: 2 residues within 4Å: Chain D: L.15, I.18 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:I.18

20 x RB: RUBIDIUM ION(Non-covalent)(Non-functional Binders)

RB.3: 19 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: RB.4, RB.5, RB.10, RB.11, RB.12, RB.17, RB.18, RB.19, RB.24, RB.25, RB.26 Ligand excluded by PLIP RB.4: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: RB.3, RB.10, RB.11, RB.17, RB.18, RB.24, RB.25 Ligand excluded by PLIP RB.5: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: RB.3, RB.10, RB.12, RB.17, RB.19, RB.24, RB.26 Ligand excluded by PLIP RB.6: 7 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: RB.13, RB.20, RB.27 Ligand excluded by PLIP RB.7: 3 residues within 4Å: Ligands: RB.14, RB.21, RB.28 Ligand excluded by PLIP RB.10: 19 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: RB.3, RB.4, RB.5, RB.11, RB.12, RB.17, RB.18, RB.19, RB.24, RB.25, RB.26 Ligand excluded by PLIP RB.11: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: RB.3, RB.4, RB.10, RB.17, RB.18, RB.24, RB.25 Ligand excluded by PLIP RB.12: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: RB.3, RB.5, RB.10, RB.17, RB.19, RB.24, RB.26 Ligand excluded by PLIP RB.13: 7 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: RB.6, RB.20, RB.27 Ligand excluded by PLIP RB.14: 3 residues within 4Å: Ligands: RB.7, RB.21, RB.28 Ligand excluded by PLIP RB.17: 19 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: RB.3, RB.4, RB.5, RB.10, RB.11, RB.12, RB.18, RB.19, RB.24, RB.25, RB.26 Ligand excluded by PLIP RB.18: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: RB.3, RB.4, RB.10, RB.11, RB.17, RB.24, RB.25 Ligand excluded by PLIP RB.19: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: RB.3, RB.5, RB.10, RB.12, RB.17, RB.24, RB.26 Ligand excluded by PLIP RB.20: 7 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: RB.6, RB.13, RB.27 Ligand excluded by PLIP RB.21: 3 residues within 4Å: Ligands: RB.7, RB.14, RB.28 Ligand excluded by PLIP RB.24: 19 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: RB.3, RB.4, RB.5, RB.10, RB.11, RB.12, RB.17, RB.18, RB.19, RB.25, RB.26 Ligand excluded by PLIP RB.25: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: RB.3, RB.4, RB.10, RB.11, RB.17, RB.18, RB.24 Ligand excluded by PLIP RB.26: 11 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: RB.3, RB.5, RB.10, RB.12, RB.17, RB.19, RB.24 Ligand excluded by PLIP RB.27: 7 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: RB.6, RB.13, RB.20 Ligand excluded by PLIP RB.28: 3 residues within 4Å: Ligands: RB.7, RB.14, RB.21 Ligand excluded by PLIP

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
B

B
B

C
B

D
B

Membrane

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

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