SMTL ID : 3t2m.1 (1 other biounit)

Crystal Structure of NaK Channel N68D Mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-tetramer

Ligands

12 x K: POTASSIUM ION(Non-covalent)

K.1: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.2, K.4, K.5, K.7, K.8, K.10, K.11 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 2 interactions with chain A, 1 interactions with chain B Metal complexes: D:T.46, C:T.46, A:T.46, A:T.46, B:T.46 K.2: 15 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, K.4, K.5, K.7, K.8, K.10, K.11 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C Metal complexes: B:V.47, A:T.46, A:V.47, D:V.47, C:V.47 K.3: 7 residues within 4Å: Chain A: G.50 Chain B: G.50 Chain C: G.50 Chain D: G.50 Ligands: K.6, K.9, K.12 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D, 1 interactions with chain A Metal complexes: B:G.50, C:G.50, D:G.50, A:G.50 K.4: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.1, K.2, K.5, K.7, K.8, K.10, K.11 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 2 interactions with chain A, 1 interactions with chain B Metal complexes: D:T.46, C:T.46, A:T.46, A:T.46, B:T.46 K.5: 15 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, K.2, K.4, K.7, K.8, K.10, K.11 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C Metal complexes: B:V.47, A:T.46, A:V.47, D:V.47, C:V.47 K.6: 7 residues within 4Å: Chain A: G.50 Chain B: G.50 Chain C: G.50 Chain D: G.50 Ligands: K.3, K.9, K.12 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D, 1 interactions with chain A Metal complexes: B:G.50, C:G.50, D:G.50, A:G.50 K.7: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.1, K.2, K.4, K.5, K.8, K.10, K.11 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 2 interactions with chain A, 1 interactions with chain B Metal complexes: D:T.46, C:T.46, A:T.46, A:T.46, B:T.46 K.8: 15 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, K.2, K.4, K.5, K.7, K.10, K.11 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C Metal complexes: B:V.47, A:T.46, A:V.47, D:V.47, C:V.47 K.9: 7 residues within 4Å: Chain A: G.50 Chain B: G.50 Chain C: G.50 Chain D: G.50 Ligands: K.3, K.6, K.12 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D, 1 interactions with chain A Metal complexes: B:G.50, C:G.50, D:G.50, A:G.50 K.10: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.1, K.2, K.4, K.5, K.7, K.8, K.11 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C, 2 interactions with chain A, 1 interactions with chain B Metal complexes: D:T.46, C:T.46, A:T.46, A:T.46, B:T.46 K.11: 15 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, K.2, K.4, K.5, K.7, K.8, K.10 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain C Metal complexes: B:V.47, A:T.46, A:V.47, D:V.47, C:V.47 K.12: 7 residues within 4Å: Chain A: G.50 Chain B: G.50 Chain C: G.50 Chain D: G.50 Ligands: K.3, K.6, K.9 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D, 1 interactions with chain A Metal complexes: B:G.50, C:G.50, D:G.50, A:G.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sauer, D.B. et al., Protein interactions central to stabilizing the K+ channel selectivity filter in a four-sited configuration for selective K+ permeation. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-10-05

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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