SMTL ID : 3stl.1

KcsA potassium channel mutant Y82C with Cadmium bound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-oligomer

Ligands

24 x K: POTASSIUM ION(Non-functional Binders)(Non-covalent)

K.1: 3 residues within 4Å: Ligands: K.8, K.15, K.22 Ligand excluded by PLIP K.2: 7 residues within 4Å: Ligands: K.3, K.9, K.10, K.16, K.17, K.23, K.24 Ligand excluded by PLIP K.3: 19 residues within 4Å: Chain C: G.56, Y.57 Chain F: G.56, Y.57 Chain I: G.56, Y.57 Chain L: G.56, Y.57 Ligands: K.2, K.4, K.9, K.10, K.11, K.16, K.17, K.18, K.23, K.24, K.25 Ligand excluded by PLIP K.4: 19 residues within 4Å: Chain C: V.55, G.56 Chain F: V.55, G.56 Chain I: V.55, G.56 Chain L: V.55, G.56 Ligands: K.3, K.5, K.10, K.11, K.12, K.17, K.18, K.19, K.24, K.25, K.26 Ligand excluded by PLIP K.5: 19 residues within 4Å: Chain C: T.54, V.55 Chain F: T.54, V.55 Chain I: T.54, V.55 Chain L: T.54, V.55 Ligands: K.4, K.6, K.11, K.12, K.13, K.18, K.19, K.20, K.25, K.26, K.27 Ligand excluded by PLIP K.6: 11 residues within 4Å: Chain C: T.54 Chain F: T.54 Chain I: T.54 Chain L: T.54 Ligands: K.5, K.12, K.13, K.19, K.20, K.26, K.27 Ligand excluded by PLIP K.8: 3 residues within 4Å: Ligands: K.1, K.15, K.22 Ligand excluded by PLIP K.9: 7 residues within 4Å: Ligands: K.2, K.3, K.10, K.16, K.17, K.23, K.24 Ligand excluded by PLIP K.10: 19 residues within 4Å: Chain C: G.56, Y.57 Chain F: G.56, Y.57 Chain I: G.56, Y.57 Chain L: G.56, Y.57 Ligands: K.2, K.3, K.4, K.9, K.11, K.16, K.17, K.18, K.23, K.24, K.25 Ligand excluded by PLIP K.11: 19 residues within 4Å: Chain C: V.55, G.56 Chain F: V.55, G.56 Chain I: V.55, G.56 Chain L: V.55, G.56 Ligands: K.3, K.4, K.5, K.10, K.12, K.17, K.18, K.19, K.24, K.25, K.26 Ligand excluded by PLIP K.12: 19 residues within 4Å: Chain C: T.54, V.55 Chain F: T.54, V.55 Chain I: T.54, V.55 Chain L: T.54, V.55 Ligands: K.4, K.5, K.6, K.11, K.13, K.18, K.19, K.20, K.25, K.26, K.27 Ligand excluded by PLIP K.13: 11 residues within 4Å: Chain C: T.54 Chain F: T.54 Chain I: T.54 Chain L: T.54 Ligands: K.5, K.6, K.12, K.19, K.20, K.26, K.27 Ligand excluded by PLIP K.15: 3 residues within 4Å: Ligands: K.1, K.8, K.22 Ligand excluded by PLIP K.16: 7 residues within 4Å: Ligands: K.2, K.3, K.9, K.10, K.17, K.23, K.24 Ligand excluded by PLIP K.17: 19 residues within 4Å: Chain C: G.56, Y.57 Chain F: G.56, Y.57 Chain I: G.56, Y.57 Chain L: G.56, Y.57 Ligands: K.2, K.3, K.4, K.9, K.10, K.11, K.16, K.18, K.23, K.24, K.25 Ligand excluded by PLIP K.18: 19 residues within 4Å: Chain C: V.55, G.56 Chain F: V.55, G.56 Chain I: V.55, G.56 Chain L: V.55, G.56 Ligands: K.3, K.4, K.5, K.10, K.11, K.12, K.17, K.19, K.24, K.25, K.26 Ligand excluded by PLIP K.19: 19 residues within 4Å: Chain C: T.54, V.55 Chain F: T.54, V.55 Chain I: T.54, V.55 Chain L: T.54, V.55 Ligands: K.4, K.5, K.6, K.11, K.12, K.13, K.18, K.20, K.25, K.26, K.27 Ligand excluded by PLIP K.20: 11 residues within 4Å: Chain C: T.54 Chain F: T.54 Chain I: T.54 Chain L: T.54 Ligands: K.5, K.6, K.12, K.13, K.19, K.26, K.27 Ligand excluded by PLIP K.22: 3 residues within 4Å: Ligands: K.1, K.8, K.15 Ligand excluded by PLIP K.23: 7 residues within 4Å: Ligands: K.2, K.3, K.9, K.10, K.16, K.17, K.24 Ligand excluded by PLIP K.24: 19 residues within 4Å: Chain C: G.56, Y.57 Chain F: G.56, Y.57 Chain I: G.56, Y.57 Chain L: G.56, Y.57 Ligands: K.2, K.3, K.4, K.9, K.10, K.11, K.16, K.17, K.18, K.23, K.25 Ligand excluded by PLIP K.25: 19 residues within 4Å: Chain C: V.55, G.56 Chain F: V.55, G.56 Chain I: V.55, G.56 Chain L: V.55, G.56 Ligands: K.3, K.4, K.5, K.10, K.11, K.12, K.17, K.18, K.19, K.24, K.26 Ligand excluded by PLIP K.26: 19 residues within 4Å: Chain C: T.54, V.55 Chain F: T.54, V.55 Chain I: T.54, V.55 Chain L: T.54, V.55 Ligands: K.4, K.5, K.6, K.11, K.12, K.13, K.18, K.19, K.20, K.25, K.27 Ligand excluded by PLIP K.27: 11 residues within 4Å: Chain C: T.54 Chain F: T.54 Chain I: T.54 Chain L: T.54 Ligands: K.5, K.6, K.12, K.13, K.19, K.20, K.26 Ligand excluded by PLIP

4 x CD: CADMIUM ION(Non-covalent)

CD.7: 2 residues within 4Å: Chain C: C.61 Chain L: D.59 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:C.61 CD.14: 2 residues within 4Å: Chain F: C.61 Chain I: D.59 1 PLIP interactions: 1 interactions with chain F Metal complexes: F:C.61 CD.21: 2 residues within 4Å: Chain C: D.59 Chain I: C.61 1 PLIP interactions: 1 interactions with chain I Metal complexes: I:C.61 CD.28: 2 residues within 4Å: Chain F: D.59 Chain L: C.61 1 PLIP interactions: 1 interactions with chain L Metal complexes: L:C.61

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Raghuraman, H. et al., Mechanism of Cd(2+) Coordination during Slow Inactivation in Potassium Channels. Structure (2012)

Release Date

2012-04-18

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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