SMTL ID : 1r3j.1

potassium channel KcsA-Fab complex in high concentration of Tl+

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

hetero-4-4-4-mer

Ligands

4 x F09: NONAN-1-OL(Non-covalent)

F09.1: 6 residues within 4Å: Chain B: R.57 Chain C: L.49, A.50, W.87, V.91, V.94 5 PLIP interactions: 3 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: C:A.50, C:V.91, C:V.94 Hydrogen bonds: B:R.57 Water bridges: B:R.57 F09.8: 6 residues within 4Å: Chain E: R.57 Chain F: L.49, A.50, W.87, V.91, V.94 5 PLIP interactions: 3 interactions with chain F, 2 interactions with chain E Hydrophobic interactions: F:A.50, F:V.91, F:V.94 Hydrogen bonds: E:R.57 Water bridges: E:R.57 F09.15: 6 residues within 4Å: Chain H: R.57 Chain I: L.49, A.50, W.87, V.91, V.94 5 PLIP interactions: 3 interactions with chain I, 2 interactions with chain H Hydrophobic interactions: I:A.50, I:V.91, I:V.94 Hydrogen bonds: H:R.57 Water bridges: H:R.57 F09.22: 6 residues within 4Å: Chain K: R.57 Chain L: L.49, A.50, W.87, V.91, V.94 5 PLIP interactions: 2 interactions with chain K, 3 interactions with chain L Hydrogen bonds: K:R.57 Water bridges: K:R.57 Hydrophobic interactions: L:A.50, L:V.91, L:V.94

20 x TL: THALLIUM (I) ION(Non-covalent)(Non-functional Binders)

TL.2: 15 residues within 4Å: Chain C: G.77, Y.78 Chain F: G.77, Y.78 Chain I: G.77, Y.78 Chain L: G.77, Y.78 Ligands: TL.3, TL.9, TL.10, TL.16, TL.17, TL.23, TL.24 Ligand excluded by PLIP TL.3: 19 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: TL.2, TL.4, TL.9, TL.10, TL.11, TL.16, TL.17, TL.18, TL.23, TL.24, TL.25 Ligand excluded by PLIP TL.4: 19 residues within 4Å: Chain C: T.75, V.76 Chain F: T.75, V.76 Chain I: T.75, V.76 Chain L: T.75, V.76 Ligands: TL.3, TL.5, TL.10, TL.11, TL.12, TL.17, TL.18, TL.19, TL.24, TL.25, TL.26 Ligand excluded by PLIP TL.5: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: TL.4, TL.11, TL.12, TL.18, TL.19, TL.25, TL.26 Ligand excluded by PLIP TL.6: 3 residues within 4Å: Ligands: TL.13, TL.20, TL.27 Ligand excluded by PLIP TL.9: 15 residues within 4Å: Chain C: G.77, Y.78 Chain F: G.77, Y.78 Chain I: G.77, Y.78 Chain L: G.77, Y.78 Ligands: TL.2, TL.3, TL.10, TL.16, TL.17, TL.23, TL.24 Ligand excluded by PLIP TL.10: 19 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: TL.2, TL.3, TL.4, TL.9, TL.11, TL.16, TL.17, TL.18, TL.23, TL.24, TL.25 Ligand excluded by PLIP TL.11: 19 residues within 4Å: Chain C: T.75, V.76 Chain F: T.75, V.76 Chain I: T.75, V.76 Chain L: T.75, V.76 Ligands: TL.3, TL.4, TL.5, TL.10, TL.12, TL.17, TL.18, TL.19, TL.24, TL.25, TL.26 Ligand excluded by PLIP TL.12: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: TL.4, TL.5, TL.11, TL.18, TL.19, TL.25, TL.26 Ligand excluded by PLIP TL.13: 3 residues within 4Å: Ligands: TL.6, TL.20, TL.27 Ligand excluded by PLIP TL.16: 15 residues within 4Å: Chain C: G.77, Y.78 Chain F: G.77, Y.78 Chain I: G.77, Y.78 Chain L: G.77, Y.78 Ligands: TL.2, TL.3, TL.9, TL.10, TL.17, TL.23, TL.24 Ligand excluded by PLIP TL.17: 19 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: TL.2, TL.3, TL.4, TL.9, TL.10, TL.11, TL.16, TL.18, TL.23, TL.24, TL.25 Ligand excluded by PLIP TL.18: 19 residues within 4Å: Chain C: T.75, V.76 Chain F: T.75, V.76 Chain I: T.75, V.76 Chain L: T.75, V.76 Ligands: TL.3, TL.4, TL.5, TL.10, TL.11, TL.12, TL.17, TL.19, TL.24, TL.25, TL.26 Ligand excluded by PLIP TL.19: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: TL.4, TL.5, TL.11, TL.12, TL.18, TL.25, TL.26 Ligand excluded by PLIP TL.20: 3 residues within 4Å: Ligands: TL.6, TL.13, TL.27 Ligand excluded by PLIP TL.23: 15 residues within 4Å: Chain C: G.77, Y.78 Chain F: G.77, Y.78 Chain I: G.77, Y.78 Chain L: G.77, Y.78 Ligands: TL.2, TL.3, TL.9, TL.10, TL.16, TL.17, TL.24 Ligand excluded by PLIP TL.24: 19 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: TL.2, TL.3, TL.4, TL.9, TL.10, TL.11, TL.16, TL.17, TL.18, TL.23, TL.25 Ligand excluded by PLIP TL.25: 19 residues within 4Å: Chain C: T.75, V.76 Chain F: T.75, V.76 Chain I: T.75, V.76 Chain L: T.75, V.76 Ligands: TL.3, TL.4, TL.5, TL.10, TL.11, TL.12, TL.17, TL.18, TL.19, TL.24, TL.26 Ligand excluded by PLIP TL.26: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: TL.4, TL.5, TL.11, TL.12, TL.18, TL.19, TL.25 Ligand excluded by PLIP TL.27: 3 residues within 4Å: Ligands: TL.6, TL.13, TL.20 Ligand excluded by PLIP

4 x DGA: DIACYL GLYCEROL(Non-covalent)

DGA.7: 8 residues within 4Å: Chain C: V.84, T.85, L.86, R.89, V.93 Chain I: P.63, R.64, W.67 8 PLIP interactions: 5 interactions with chain C, 3 interactions with chain I Hydrophobic interactions: C:V.93, C:V.93, I:P.63, I:W.67 Water bridges: C:L.86, C:R.89, I:R.64 Salt bridges: C:R.89 DGA.14: 8 residues within 4Å: Chain C: P.63, R.64, W.67 Chain F: V.84, T.85, L.86, R.89, V.93 8 PLIP interactions: 5 interactions with chain F, 3 interactions with chain C Hydrophobic interactions: F:V.93, F:V.93, C:P.63, C:W.67 Water bridges: F:L.86, F:R.89, C:R.64 Salt bridges: F:R.89 DGA.21: 8 residues within 4Å: Chain I: V.84, T.85, L.86, R.89, V.93 Chain L: P.63, R.64, W.67 8 PLIP interactions: 3 interactions with chain L, 5 interactions with chain I Hydrophobic interactions: L:P.63, L:W.67, I:V.93, I:V.93 Water bridges: L:R.64, I:L.86, I:R.89 Salt bridges: I:R.89 DGA.28: 8 residues within 4Å: Chain F: P.63, R.64, W.67 Chain L: V.84, T.85, L.86, R.89, V.93 8 PLIP interactions: 5 interactions with chain L, 3 interactions with chain F Hydrophobic interactions: L:V.93, L:V.93, F:P.63, F:W.67 Water bridges: L:L.86, L:R.89, F:R.64 Salt bridges: L:R.89

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhou, Y. et al., The occupancy of ions in the K+ selectivity filter: Charge balance and coupling of ion binding to a protein conformational change underlie high conduction rates. J.Mol.Biol. (2003)

Release Date

2003-11-25

Peptides

Antibody Fab fragment light chain: ADGJ
Antibody Fab fragment heavy 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 light chain

Antibody Fab fragment heavy chain

Voltage-gated potassium channel

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