SMTL ID : 3e8h.1 (1 other biounit)

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-tetramer

Ligands

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

MPD.1: 5 residues within 4Å: Chain A: D.34, Y.37, D.48, N.50, F.51 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Y.37, A:F.51 Hydrogen bonds: A:D.48, A:F.51 MPD.2: 3 residues within 4Å: Chain A: S.19, Y.65, I.68 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Y.65, A:I.68 MPD.9: 5 residues within 4Å: Chain B: D.34, Y.37, D.48, N.50, F.51 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:Y.37, B:F.51 Hydrogen bonds: B:D.48, B:F.51 MPD.10: 3 residues within 4Å: Chain B: S.19, Y.65, I.68 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.65, B:I.68 MPD.17: 5 residues within 4Å: Chain C: D.34, Y.37, D.48, N.50, F.51 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:Y.37, C:F.51 Hydrogen bonds: C:D.48, C:F.51 MPD.18: 3 residues within 4Å: Chain C: S.19, Y.65, I.68 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:Y.65, C:I.68 MPD.25: 5 residues within 4Å: Chain D: D.34, Y.37, D.48, N.50, F.51 4 PLIP interactions: 4 interactions with chain D Hydrophobic interactions: D:Y.37, D:F.51 Hydrogen bonds: D:D.48, D:F.51 MPD.26: 3 residues within 4Å: Chain D: S.19, Y.65, I.68 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:Y.65, D:I.68

24 x K: POTASSIUM ION(Non-covalent)(Non-functional Binders)

K.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: K.5, K.6, K.11, K.13, K.14, K.19, K.21, K.22, K.27, K.29, K.30 Ligand excluded by PLIP K.4: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.8, K.12, K.16, K.20, K.24, K.28, K.32 Ligand excluded by PLIP K.5: 15 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: K.3, K.7, K.11, K.13, K.15, K.19, K.21, K.23, K.27, K.29, K.31 Ligand excluded by PLIP K.6: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: K.3, K.11, K.14, K.19, K.22, K.27, K.30 Ligand excluded by PLIP K.7: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.5, K.13, K.15, K.21, K.23, K.29, K.31 Ligand excluded by PLIP K.8: 7 residues within 4Å: Ligands: K.4, K.12, K.16, K.20, K.24, K.28, K.32 Ligand excluded by PLIP K.11: 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: K.3, K.5, K.6, K.13, K.14, K.19, K.21, K.22, K.27, K.29, K.30 Ligand excluded by PLIP K.12: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.4, K.8, K.16, K.20, K.24, K.28, K.32 Ligand excluded by PLIP K.13: 15 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: K.3, K.5, K.7, K.11, K.15, K.19, K.21, K.23, K.27, K.29, K.31 Ligand excluded by PLIP K.14: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: K.3, K.6, K.11, K.19, K.22, K.27, K.30 Ligand excluded by PLIP K.15: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.5, K.7, K.13, K.21, K.23, K.29, K.31 Ligand excluded by PLIP K.16: 7 residues within 4Å: Ligands: K.4, K.8, K.12, K.20, K.24, K.28, K.32 Ligand excluded by PLIP K.19: 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: K.3, K.5, K.6, K.11, K.13, K.14, K.21, K.22, K.27, K.29, K.30 Ligand excluded by PLIP K.20: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.4, K.8, K.12, K.16, K.24, K.28, K.32 Ligand excluded by PLIP K.21: 15 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: K.3, K.5, K.7, K.11, K.13, K.15, K.19, K.23, K.27, K.29, K.31 Ligand excluded by PLIP K.22: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: K.3, K.6, K.11, K.14, K.19, K.27, K.30 Ligand excluded by PLIP K.23: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.5, K.7, K.13, K.15, K.21, K.29, K.31 Ligand excluded by PLIP K.24: 7 residues within 4Å: Ligands: K.4, K.8, K.12, K.16, K.20, K.28, K.32 Ligand excluded by PLIP K.27: 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: K.3, K.5, K.6, K.11, K.13, K.14, K.19, K.21, K.22, K.29, K.30 Ligand excluded by PLIP K.28: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.4, K.8, K.12, K.16, K.20, K.24, K.32 Ligand excluded by PLIP K.29: 15 residues within 4Å: Chain A: V.46 Chain B: V.46 Chain C: V.46 Chain D: V.46 Ligands: K.3, K.5, K.7, K.11, K.13, K.15, K.19, K.21, K.23, K.27, K.31 Ligand excluded by PLIP K.30: 11 residues within 4Å: Chain A: T.45 Chain B: T.45 Chain C: T.45 Chain D: T.45 Ligands: K.3, K.6, K.11, K.14, K.19, K.22, K.27 Ligand excluded by PLIP K.31: 11 residues within 4Å: Chain A: G.49 Chain B: G.49 Chain C: G.49 Chain D: G.49 Ligands: K.5, K.7, K.13, K.15, K.21, K.23, K.29 Ligand excluded by PLIP K.32: 7 residues within 4Å: Ligands: K.4, K.8, K.12, K.16, K.20, K.24, K.28 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
A

B
A

C
A

D
A

Membrane

We predict this structure to be a membrane protein.
Show / Hide

Potassium channel protein

Related Entries With Identical Sequence