SMTL ID : 2itd.1

Potassium Channel KcsA-Fab complex in Barium Chloride

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

hetero-4-4-4-mer

Ligands

8 x BA: BARIUM ION(Non-covalent)

BA.1: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: BA.3, BA.5, BA.7 4 PLIP interactions: 1 interactions with chain L, 1 interactions with chain I, 1 interactions with chain F, 1 interactions with chain C Metal complexes: L:T.75, I:T.75, F:T.75, C:T.75 BA.2: 11 residues within 4Å: Chain C: V.76, G.77 Chain F: V.76, G.77 Chain I: V.76, G.77 Chain L: V.76, G.77 Ligands: BA.4, BA.6, BA.8 4 PLIP interactions: 1 interactions with chain I, 1 interactions with chain L, 1 interactions with chain F, 1 interactions with chain C Metal complexes: I:G.77, L:G.77, F:G.77, C:G.77 BA.3: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: BA.1, BA.5, BA.7 4 PLIP interactions: 1 interactions with chain L, 1 interactions with chain I, 1 interactions with chain F, 1 interactions with chain C Metal complexes: L:T.75, I:T.75, F:T.75, C:T.75 BA.4: 11 residues within 4Å: Chain C: V.76, G.77 Chain F: V.76, G.77 Chain I: V.76, G.77 Chain L: V.76, G.77 Ligands: BA.2, BA.6, BA.8 4 PLIP interactions: 1 interactions with chain I, 1 interactions with chain L, 1 interactions with chain F, 1 interactions with chain C Metal complexes: I:G.77, L:G.77, F:G.77, C:G.77 BA.5: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: BA.1, BA.3, BA.7 4 PLIP interactions: 1 interactions with chain L, 1 interactions with chain I, 1 interactions with chain F, 1 interactions with chain C Metal complexes: L:T.75, I:T.75, F:T.75, C:T.75 BA.6: 11 residues within 4Å: Chain C: V.76, G.77 Chain F: V.76, G.77 Chain I: V.76, G.77 Chain L: V.76, G.77 Ligands: BA.2, BA.4, BA.8 4 PLIP interactions: 1 interactions with chain I, 1 interactions with chain L, 1 interactions with chain F, 1 interactions with chain C Metal complexes: I:G.77, L:G.77, F:G.77, C:G.77 BA.7: 7 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: BA.1, BA.3, BA.5 4 PLIP interactions: 1 interactions with chain L, 1 interactions with chain I, 1 interactions with chain F, 1 interactions with chain C Metal complexes: L:T.75, I:T.75, F:T.75, C:T.75 BA.8: 11 residues within 4Å: Chain C: V.76, G.77 Chain F: V.76, G.77 Chain I: V.76, G.77 Chain L: V.76, G.77 Ligands: BA.2, BA.4, BA.6 4 PLIP interactions: 1 interactions with chain I, 1 interactions with chain L, 1 interactions with chain F, 1 interactions with chain C Metal complexes: I:G.77, L:G.77, F:G.77, C:G.77

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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