SMTL ID : 2atk.1

Structure of a mutant KcsA K+ channel

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-1-1-mer

Ligands

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

K.1: 3 residues within 4Å: Chain C: G.77 Ligands: K.2, K.6 No protein-ligand interaction detected (PLIP) K.2: 3 residues within 4Å: Chain C: G.77 Ligands: K.1, K.3 No protein-ligand interaction detected (PLIP) K.3: 3 residues within 4Å: Chain C: T.75 Ligands: K.2, K.4 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:T.75 K.4: 2 residues within 4Å: Chain C: T.75 Ligands: K.3 No protein-ligand interaction detected (PLIP) K.5: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) K.6: 2 residues within 4Å: Chain C: G.79 Ligands: K.1 No protein-ligand interaction detected (PLIP) K.7: 1 residues within 4Å: Chain C: H.124 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:H.124

1 x F09: NONAN-1-OL(Non-covalent)

F09.8: 5 residues within 4Å: Chain C: L.46, A.50, W.87, V.91, V.94 5 PLIP interactions: 4 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: C:L.46, C:L.46, C:V.91, C:V.94 Hydrogen bonds: A:R.57

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cordero-Morales, J.F. et al., Molecular determinants of gating at the potassium-channel selectivity filter. Nat.Struct.Mol.Biol. (2006)

Release Date

2006-03-07

Peptides

ANTIBODY FAB FRAGMENT HEAVY CHAIN: A
ANTIBODY FAB FRAGMENT LIGHT CHAIN: B
Voltage-gated potassium channel: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Membrane

We predict this structure to be a membrane protein.
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ANTIBODY FAB FRAGMENT HEAVY CHAIN

ANTIBODY FAB FRAGMENT LIGHT CHAIN

Voltage-gated potassium channel

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