SMTL ID : 3stz.1

KcsA potassium channel mutant Y82C with nitroxide spin label

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-oligomer

Ligands

4 x MTN: S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5-DIHYDRO-1H-PYRROL-3-YL)METHYL] METHANESULFONOTHIOATE(Non-covalent)

MTN.1: 4 residues within 4Å: Chain C: Q.36, G.57, L.59, C.60 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.93 MTN.7: 4 residues within 4Å: Chain F: Q.36, G.57, L.59, C.60 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:R.93 MTN.13: 4 residues within 4Å: Chain I: Q.36, G.57, L.59, C.60 1 PLIP interactions: 1 interactions with chain H Hydrogen bonds: H:R.93 MTN.19: 4 residues within 4Å: Chain L: Q.36, G.57, L.59, C.60 1 PLIP interactions: 1 interactions with chain K Hydrogen bonds: K:R.93

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

K.2: 11 residues within 4Å: Chain C: T.53 Chain F: T.53 Chain I: T.53 Chain L: T.53 Ligands: K.3, K.8, K.9, K.14, K.15, K.20, K.21 Ligand excluded by PLIP K.3: 19 residues within 4Å: Chain C: T.53, V.54 Chain F: T.53, V.54 Chain I: T.53, V.54 Chain L: T.53, V.54 Ligands: K.2, K.4, K.8, K.9, K.10, K.14, K.15, K.16, K.20, K.21, K.22 Ligand excluded by PLIP K.4: 19 residues within 4Å: Chain C: V.54, G.55 Chain F: V.54, G.55 Chain I: V.54, G.55 Chain L: V.54, G.55 Ligands: K.3, K.5, K.9, K.10, K.11, K.15, K.16, K.17, K.21, K.22, K.23 Ligand excluded by PLIP K.5: 15 residues within 4Å: Chain C: G.55, Y.56 Chain F: G.55, Y.56 Chain I: G.55, Y.56 Chain L: G.55, Y.56 Ligands: K.4, K.10, K.11, K.16, K.17, K.22, K.23 Ligand excluded by PLIP K.6: 3 residues within 4Å: Ligands: K.12, K.18, K.24 Ligand excluded by PLIP K.8: 11 residues within 4Å: Chain C: T.53 Chain F: T.53 Chain I: T.53 Chain L: T.53 Ligands: K.2, K.3, K.9, K.14, K.15, K.20, K.21 Ligand excluded by PLIP K.9: 19 residues within 4Å: Chain C: T.53, V.54 Chain F: T.53, V.54 Chain I: T.53, V.54 Chain L: T.53, V.54 Ligands: K.2, K.3, K.4, K.8, K.10, K.14, K.15, K.16, K.20, K.21, K.22 Ligand excluded by PLIP K.10: 19 residues within 4Å: Chain C: V.54, G.55 Chain F: V.54, G.55 Chain I: V.54, G.55 Chain L: V.54, G.55 Ligands: K.3, K.4, K.5, K.9, K.11, K.15, K.16, K.17, K.21, K.22, K.23 Ligand excluded by PLIP K.11: 15 residues within 4Å: Chain C: G.55, Y.56 Chain F: G.55, Y.56 Chain I: G.55, Y.56 Chain L: G.55, Y.56 Ligands: K.4, K.5, K.10, K.16, K.17, K.22, K.23 Ligand excluded by PLIP K.12: 3 residues within 4Å: Ligands: K.6, K.18, K.24 Ligand excluded by PLIP K.14: 11 residues within 4Å: Chain C: T.53 Chain F: T.53 Chain I: T.53 Chain L: T.53 Ligands: K.2, K.3, K.8, K.9, K.15, K.20, K.21 Ligand excluded by PLIP K.15: 19 residues within 4Å: Chain C: T.53, V.54 Chain F: T.53, V.54 Chain I: T.53, V.54 Chain L: T.53, V.54 Ligands: K.2, K.3, K.4, K.8, K.9, K.10, K.14, K.16, K.20, K.21, K.22 Ligand excluded by PLIP K.16: 19 residues within 4Å: Chain C: V.54, G.55 Chain F: V.54, G.55 Chain I: V.54, G.55 Chain L: V.54, G.55 Ligands: K.3, K.4, K.5, K.9, K.10, K.11, K.15, K.17, K.21, K.22, K.23 Ligand excluded by PLIP K.17: 15 residues within 4Å: Chain C: G.55, Y.56 Chain F: G.55, Y.56 Chain I: G.55, Y.56 Chain L: G.55, Y.56 Ligands: K.4, K.5, K.10, K.11, K.16, K.22, K.23 Ligand excluded by PLIP K.18: 3 residues within 4Å: Ligands: K.6, K.12, K.24 Ligand excluded by PLIP K.20: 11 residues within 4Å: Chain C: T.53 Chain F: T.53 Chain I: T.53 Chain L: T.53 Ligands: K.2, K.3, K.8, K.9, K.14, K.15, K.21 Ligand excluded by PLIP K.21: 19 residues within 4Å: Chain C: T.53, V.54 Chain F: T.53, V.54 Chain I: T.53, V.54 Chain L: T.53, V.54 Ligands: K.2, K.3, K.4, K.8, K.9, K.10, K.14, K.15, K.16, K.20, K.22 Ligand excluded by PLIP K.22: 19 residues within 4Å: Chain C: V.54, G.55 Chain F: V.54, G.55 Chain I: V.54, G.55 Chain L: V.54, G.55 Ligands: K.3, K.4, K.5, K.9, K.10, K.11, K.15, K.16, K.17, K.21, K.23 Ligand excluded by PLIP K.23: 15 residues within 4Å: Chain C: G.55, Y.56 Chain F: G.55, Y.56 Chain I: G.55, Y.56 Chain L: G.55, Y.56 Ligands: K.4, K.5, K.10, K.11, K.16, K.17, K.22 Ligand excluded by PLIP K.24: 3 residues within 4Å: Ligands: K.6, K.12, K.18 Ligand excluded by PLIP

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.
Show / Hide

antibody Fab fragment heavy chain

antibody Fab fragment light chain

Voltage-gated potassium channel

Related Entries With Identical Sequence