SMTL ID : 3gb7.1

Potassium Channel KcsA-Fab complex in Li+

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.85 Å

Oligo State

hetero-4-4-4-mer

Ligands

4 x NI: NICKEL (II) ION(Non-covalent)

NI.1: 7 residues within 4Å: Chain C: H.124 Chain F: H.124 Chain I: H.124 Chain L: H.124 Ligands: NI.3, NI.5, NI.7 No protein-ligand interaction detected (PLIP) NI.3: 7 residues within 4Å: Chain C: H.124 Chain F: H.124 Chain I: H.124 Chain L: H.124 Ligands: NI.1, NI.5, NI.7 No protein-ligand interaction detected (PLIP) NI.5: 7 residues within 4Å: Chain C: H.124 Chain F: H.124 Chain I: H.124 Chain L: H.124 Ligands: NI.1, NI.3, NI.7 No protein-ligand interaction detected (PLIP) NI.7: 7 residues within 4Å: Chain C: H.124 Chain F: H.124 Chain I: H.124 Chain L: H.124 Ligands: NI.1, NI.3, NI.5 No protein-ligand interaction detected (PLIP)

4 x DGA: DIACYL GLYCEROL(Non-covalent)

DGA.2: 7 residues within 4Å: Chain C: L.86, R.89 Chain K: Y.50, E.53 Chain L: Y.62, P.63, L.66 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain L Hydrophobic interactions: C:L.86, L:Y.62, L:P.63 DGA.4: 7 residues within 4Å: Chain F: L.86, R.89 Chain H: Y.50, E.53 Chain I: Y.62, P.63, L.66 3 PLIP interactions: 2 interactions with chain I, 1 interactions with chain F Hydrophobic interactions: I:Y.62, I:P.63, F:L.86 DGA.6: 7 residues within 4Å: Chain B: Y.50, E.53 Chain C: Y.62, P.63, L.66 Chain I: L.86, R.89 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain I Hydrophobic interactions: C:Y.62, C:P.63, I:L.86 DGA.8: 7 residues within 4Å: Chain E: Y.50, E.53 Chain F: Y.62, P.63, L.66 Chain L: L.86, R.89 3 PLIP interactions: 2 interactions with chain F, 1 interactions with chain L Hydrophobic interactions: F:Y.62, F:P.63, L:L.86

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Thompson, A.N. et al., Mechanism of potassium-channel selectivity revealed by Na(+) and Li(+) binding sites within the KcsA pore. Nat.Struct.Mol.Biol. (2009)

Release Date

2009-11-17

Peptides

antibody Fab fragment heavy chain: ADGJ
antibody Fab fragment light chain: BEHK
Voltage-gated potassium channel: CFIL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

D
A

G
A

J
A

B
B

E
B

H
B

K
B

C
C

F
C

I
C

L
C

Membrane

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

antibody Fab fragment heavy chain

antibody Fab fragment light chain

Voltage-gated potassium channel

Related Entries With Identical Sequence