SMTL ID : 2itc.1

Potassium Channel KcsA-Fab complex in Sodium Chloride

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

hetero-4-4-4-mer

Ligands

8 x NA: SODIUM ION(Non-functional Binders)

NA.1: 7 residues within 4Å: Chain C: G.77 Chain F: G.77 Chain I: G.77 Chain L: G.77 Ligands: NA.3, NA.5, NA.7 1 PLIP interactions: 1 interactions with chain I Hydrogen bonds: I:G.77 NA.2: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: NA.4, NA.6, NA.8 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:T.75 NA.3: 7 residues within 4Å: Chain C: G.77 Chain F: G.77 Chain I: G.77 Chain L: G.77 Ligands: NA.1, NA.5, NA.7 1 PLIP interactions: 1 interactions with chain F Hydrogen bonds: F:G.77 NA.4: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: NA.2, NA.6, NA.8 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:T.75 NA.5: 7 residues within 4Å: Chain C: G.77 Chain F: G.77 Chain I: G.77 Chain L: G.77 Ligands: NA.1, NA.3, NA.7 1 PLIP interactions: 1 interactions with chain F Hydrogen bonds: F:G.77 NA.6: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: NA.2, NA.4, NA.8 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:T.75 NA.7: 7 residues within 4Å: Chain C: G.77 Chain F: G.77 Chain I: G.77 Chain L: G.77 Ligands: NA.1, NA.3, NA.5 1 PLIP interactions: 1 interactions with chain F Hydrogen bonds: F:G.77 NA.8: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: NA.2, NA.4, NA.6 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:T.75

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lockless, S.W. et al., Structural and Thermodynamic Properties of Selective Ion Binding in a K(+) Channel. Plos Biol. (2007)

Release Date

2007-05-15

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.
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Antibody Fab fragment heavy chain

Antibody Fab fragment light chain

Voltage-gated potassium channel

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