SMTL ID : 4j7c.1 (2 other biounits)

KtrAB potassium transporter from Bacillus subtilis

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.50 Å

Oligo State

hetero-8-2-mer

Ligands

8 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.1: 20 residues within 4Å: Chain A: I.12, G.13, L.14, G.15, R.16, F.17, D.36, I.37, K.41, A.55, N.56, A.57, A.77, I.78, G.79, A.80, K.103, E.125 Chain B: R.16, E.125 17 PLIP interactions: 14 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:L.14, A:L.14, A:R.16, A:F.17, A:I.37, A:K.41, A:N.56, A:A.57, A:G.79, A:A.80, A:N.81, B:E.125 Salt bridges: A:R.16, A:K.103, A:K.103, B:R.16, B:R.16 ATP.2: 22 residues within 4Å: Chain A: R.16, E.125 Chain B: I.12, G.13, L.14, G.15, R.16, F.17, D.36, I.37, N.38, K.41, A.55, N.56, A.57, A.77, I.78, G.79, A.80, N.81, K.103, E.125 17 PLIP interactions: 14 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:L.14, B:L.14, B:R.16, B:F.17, B:I.37, B:K.41, B:N.56, B:A.57, B:G.79, B:A.80, B:N.81, A:E.125 Salt bridges: B:R.16, B:K.103, B:K.103, A:R.16, A:R.16 ATP.3: 21 residues within 4Å: Chain C: I.12, G.13, L.14, G.15, R.16, F.17, D.36, I.37, N.38, K.41, A.55, N.56, A.57, T.58, A.77, I.78, G.79, A.80, K.103 Chain D: R.16, E.125 17 PLIP interactions: 15 interactions with chain C, 2 interactions with chain D Hydrogen bonds: C:L.14, C:L.14, C:R.16, C:F.17, C:I.37, C:K.41, C:N.56, C:A.57, C:T.58, C:G.79, C:G.79, C:A.80 Salt bridges: C:R.16, C:K.103, C:K.103, D:R.16, D:R.16 ATP.4: 23 residues within 4Å: Chain C: R.16, E.125 Chain D: G.13, L.14, G.15, R.16, F.17, D.36, I.37, N.38, K.41, A.55, N.56, A.57, T.58, A.77, I.78, G.79, A.80, N.81, A.84, K.103, E.125 16 PLIP interactions: 2 interactions with chain C, 14 interactions with chain D Salt bridges: C:R.16, C:R.16, D:R.16, D:K.103, D:K.103 Hydrogen bonds: D:L.14, D:L.14, D:R.16, D:F.17, D:I.37, D:K.41, D:N.56, D:A.57, D:G.79, D:A.80, D:N.81 ATP.5: 21 residues within 4Å: Chain E: G.13, L.14, G.15, R.16, F.17, D.36, I.37, N.38, K.41, A.55, N.56, A.57, T.58, A.77, I.78, G.79, A.80, A.84, K.103, E.125 Chain F: R.16 16 PLIP interactions: 14 interactions with chain E, 2 interactions with chain F Hydrogen bonds: E:L.14, E:L.14, E:R.16, E:F.17, E:I.37, E:K.41, E:N.56, E:A.57, E:G.79, E:A.80, E:E.125 Salt bridges: E:R.16, E:K.103, E:K.103, F:R.16, F:R.16 ATP.6: 21 residues within 4Å: Chain E: R.16, E.125 Chain F: G.13, L.14, G.15, R.16, F.17, D.36, I.37, N.38, K.41, A.55, N.56, A.57, T.58, I.78, G.79, A.80, A.84, K.103, E.125 16 PLIP interactions: 13 interactions with chain F, 3 interactions with chain E Hydrogen bonds: F:L.14, F:L.14, F:R.16, F:F.17, F:I.37, F:K.41, F:N.56, F:A.57, F:G.79, F:A.80, E:E.125 Salt bridges: F:R.16, F:K.103, F:K.103, E:R.16, E:R.16 ATP.7: 22 residues within 4Å: Chain G: I.12, G.13, L.14, G.15, R.16, F.17, D.36, I.37, N.38, K.41, A.55, N.56, A.57, A.77, I.78, G.79, A.80, N.81, K.103, E.125 Chain H: R.16, E.125 18 PLIP interactions: 14 interactions with chain G, 4 interactions with chain H Hydrogen bonds: G:L.14, G:L.14, G:R.16, G:F.17, G:I.37, G:K.41, G:N.56, G:A.57, G:G.79, G:A.80, G:N.81, H:E.125, H:E.125 Salt bridges: G:R.16, G:K.103, G:K.103, H:R.16, H:R.16 ATP.8: 21 residues within 4Å: Chain G: R.16, E.125 Chain H: G.13, L.14, G.15, R.16, F.17, D.36, I.37, K.41, A.55, N.56, A.57, T.58, A.77, I.78, G.79, A.80, A.84, K.103, E.125 18 PLIP interactions: 16 interactions with chain H, 2 interactions with chain G Hydrogen bonds: H:L.14, H:L.14, H:R.16, H:F.17, H:I.37, H:K.41, H:N.56, H:A.57, H:T.58, H:G.79, H:G.79, H:A.80, H:E.125 Salt bridges: H:R.16, H:K.103, H:K.103, G:R.16, G:R.16

2 x K: POTASSIUM ION(Non-covalent)

K.9: 8 residues within 4Å: Chain I: V.80, T.81, N.195, A.196, T.298, A.299, T.410, V.411 5 PLIP interactions: 5 interactions with chain I Metal complexes: I:N.195, I:T.298, I:A.299, I:T.410, I:V.411 K.10: 8 residues within 4Å: Chain J: V.80, T.81, N.195, A.196, T.298, A.299, T.410, V.411 5 PLIP interactions: 5 interactions with chain J Metal complexes: J:V.80, J:T.81, J:N.195, J:T.298, J:T.410

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vieira-Pires, R.S. et al., The structure of the KtrAB potassium transporter. Nature (2013)

Release Date

2013-04-17

Peptides

Ktr system potassium uptake protein A: ABCDEFGH
Ktr system potassium uptake protein B: IJ

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

I
I

J
J

Membrane

We predict this structure to be a membrane protein.
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Ktr system potassium uptake protein A

Ktr system potassium uptake protein B

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