SMTL ID : 6w0d.1

Open-gate KcsA soaked in 5 mM BaCl2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.64 Å

Oligo State

hetero-4-4-4-mer

Ligands

4 x BA: BARIUM ION(Non-covalent)

BA.1: 7 residues within 4Å: Chain C: T.48 Chain F: T.48 Chain I: T.48 Chain L: T.48 Ligands: BA.3, BA.5, BA.7 5 PLIP interactions: 1 interactions with chain I, 2 interactions with chain C, 2 interactions with chain F Metal complexes: I:T.48, C:T.48, C:T.48, F:T.48, F:T.48 BA.3: 7 residues within 4Å: Chain C: T.48 Chain F: T.48 Chain I: T.48 Chain L: T.48 Ligands: BA.1, BA.5, BA.7 5 PLIP interactions: 1 interactions with chain I, 2 interactions with chain C, 2 interactions with chain F Metal complexes: I:T.48, C:T.48, C:T.48, F:T.48, F:T.48 BA.5: 7 residues within 4Å: Chain C: T.48 Chain F: T.48 Chain I: T.48 Chain L: T.48 Ligands: BA.1, BA.3, BA.7 5 PLIP interactions: 1 interactions with chain I, 2 interactions with chain C, 2 interactions with chain F Metal complexes: I:T.48, C:T.48, C:T.48, F:T.48, F:T.48 BA.7: 7 residues within 4Å: Chain C: T.48 Chain F: T.48 Chain I: T.48 Chain L: T.48 Ligands: BA.1, BA.3, BA.5 5 PLIP interactions: 1 interactions with chain I, 2 interactions with chain C, 2 interactions with chain F Metal complexes: I:T.48, C:T.48, C:T.48, F:T.48, F:T.48

4 x K: POTASSIUM ION(Non-covalent)

K.2: 7 residues within 4Å: Chain C: G.50 Chain F: G.50 Chain I: G.50 Chain L: G.50 Ligands: K.4, K.6, K.8 4 PLIP interactions: 1 interactions with chain C, 1 interactions with chain F, 1 interactions with chain I, 1 interactions with chain L Metal complexes: C:G.50, F:G.50, I:G.50, L:G.50 K.4: 7 residues within 4Å: Chain C: G.50 Chain F: G.50 Chain I: G.50 Chain L: G.50 Ligands: K.2, K.6, K.8 4 PLIP interactions: 1 interactions with chain C, 1 interactions with chain F, 1 interactions with chain I, 1 interactions with chain L Metal complexes: C:G.50, F:G.50, I:G.50, L:G.50 K.6: 7 residues within 4Å: Chain C: G.50 Chain F: G.50 Chain I: G.50 Chain L: G.50 Ligands: K.2, K.4, K.8 4 PLIP interactions: 1 interactions with chain C, 1 interactions with chain F, 1 interactions with chain I, 1 interactions with chain L Metal complexes: C:G.50, F:G.50, I:G.50, L:G.50 K.8: 7 residues within 4Å: Chain C: G.50 Chain F: G.50 Chain I: G.50 Chain L: G.50 Ligands: K.2, K.4, K.6 4 PLIP interactions: 1 interactions with chain C, 1 interactions with chain F, 1 interactions with chain I, 1 interactions with chain L Metal complexes: C:G.50, F:G.50, I:G.50, L:G.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rohaim, A. et al., Open and Closed Structures of a Barium-Blocked Potassium Channel. J.Mol.Biol. (2020)

Release Date

2020-07-08

Peptides

Fab Heavy Chain: ADGJ
Fab Light Chain: BEHK
pH-gated potassium channel KcsA: 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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Fab Heavy Chain

Fab Light Chain

pH-gated potassium channel KcsA

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