SMTL ID : 2p7t.3 (2 other biounits)

Crystal Structure of KcsA mutant

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.05 Å

Oligo State

hetero-oligomer

Ligands

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

K.1: 7 residues within 4Å: Ligands: K.2, K.9, K.10, K.17, K.18, K.25, K.26 Ligand excluded by PLIP K.2: 15 residues within 4Å: Chain C: Y.57 Chain F: Y.57 Chain I: Y.57 Chain L: Y.57 Ligands: K.1, K.3, K.9, K.10, K.11, K.17, K.18, K.19, K.25, K.26, K.27 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.10, K.11, K.12, K.18, K.19, K.20, K.26, K.27, K.28 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.11, K.12, K.13, K.19, K.20, K.21, K.27, K.28, K.29 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.12, K.13, K.14, K.20, K.21, K.22, K.28, K.29, K.30 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.13, K.14, K.21, K.22, K.29, K.30 Ligand excluded by PLIP K.9: 7 residues within 4Å: Ligands: K.1, K.2, K.10, K.17, K.18, K.25, K.26 Ligand excluded by PLIP K.10: 15 residues within 4Å: Chain C: Y.57 Chain F: Y.57 Chain I: Y.57 Chain L: Y.57 Ligands: K.1, K.2, K.3, K.9, K.11, K.17, K.18, K.19, K.25, K.26, K.27 Ligand excluded by PLIP K.11: 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.10, K.12, K.18, K.19, K.20, K.26, K.27, K.28 Ligand excluded by PLIP K.12: 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.11, K.13, K.19, K.20, K.21, K.27, K.28, K.29 Ligand excluded by PLIP K.13: 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.12, K.14, K.20, K.21, K.22, K.28, K.29, K.30 Ligand excluded by PLIP K.14: 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.13, K.21, K.22, K.29, K.30 Ligand excluded by PLIP K.17: 7 residues within 4Å: Ligands: K.1, K.2, K.9, K.10, K.18, K.25, K.26 Ligand excluded by PLIP K.18: 15 residues within 4Å: Chain C: Y.57 Chain F: Y.57 Chain I: Y.57 Chain L: Y.57 Ligands: K.1, K.2, K.3, K.9, K.10, K.11, K.17, K.19, K.25, K.26, K.27 Ligand excluded by PLIP K.19: 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.10, K.11, K.12, K.18, K.20, K.26, K.27, K.28 Ligand excluded by PLIP K.20: 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.11, K.12, K.13, K.19, K.21, K.27, K.28, K.29 Ligand excluded by PLIP K.21: 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.12, K.13, K.14, K.20, K.22, K.28, K.29, K.30 Ligand excluded by PLIP K.22: 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.13, K.14, K.21, K.29, K.30 Ligand excluded by PLIP K.25: 7 residues within 4Å: Ligands: K.1, K.2, K.9, K.10, K.17, K.18, K.26 Ligand excluded by PLIP K.26: 15 residues within 4Å: Chain C: Y.57 Chain F: Y.57 Chain I: Y.57 Chain L: Y.57 Ligands: K.1, K.2, K.3, K.9, K.10, K.11, K.17, K.18, K.19, K.25, K.27 Ligand excluded by PLIP K.27: 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.10, K.11, K.12, K.18, K.19, K.20, K.26, K.28 Ligand excluded by PLIP K.28: 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.11, K.12, K.13, K.19, K.20, K.21, K.27, K.29 Ligand excluded by PLIP K.29: 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.12, K.13, K.14, K.20, K.21, K.22, K.28, K.30 Ligand excluded by PLIP K.30: 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.13, K.14, K.21, K.22, K.29 Ligand excluded by PLIP

4 x 1EM: (1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE(Non-covalent)

1EM.7: 12 residues within 4Å: Chain C: V.63, L.65, R.68, V.72 Chain I: L.20, A.21, S.23, Y.24, Y.41, P.42, L.45, W.46 9 PLIP interactions: 7 interactions with chain C, 2 interactions with chain I Hydrophobic interactions: C:L.65, C:L.65, C:V.72, C:V.72, I:L.20, I:Y.24 Hydrogen bonds: C:L.65 Water bridges: C:R.68 Salt bridges: C:R.68 1EM.15: 12 residues within 4Å: Chain F: V.63, L.65, R.68, V.72 Chain L: L.20, A.21, S.23, Y.24, Y.41, P.42, L.45, W.46 9 PLIP interactions: 2 interactions with chain L, 7 interactions with chain F Hydrophobic interactions: L:L.20, L:Y.24, F:L.65, F:L.65, F:V.72, F:V.72 Hydrogen bonds: F:L.65 Water bridges: F:R.68 Salt bridges: F:R.68 1EM.23: 12 residues within 4Å: Chain F: L.20, A.21, S.23, Y.24, Y.41, P.42, L.45, W.46 Chain I: V.63, L.65, R.68, V.72 9 PLIP interactions: 2 interactions with chain F, 7 interactions with chain I Hydrophobic interactions: F:L.20, F:Y.24, I:L.65, I:L.65, I:V.72, I:V.72 Hydrogen bonds: I:L.65 Water bridges: I:R.68 Salt bridges: I:R.68 1EM.31: 12 residues within 4Å: Chain C: L.20, A.21, S.23, Y.24, Y.41, P.42, L.45, W.46 Chain L: V.63, L.65, R.68, V.72 9 PLIP interactions: 2 interactions with chain C, 7 interactions with chain L Hydrophobic interactions: C:L.20, C:Y.24, L:L.65, L:L.65, L:V.72, L:V.72 Hydrogen bonds: L:L.65 Water bridges: L:R.68 Salt bridges: L:R.68

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

F09.8: 5 residues within 4Å: Chain A: R.57 Chain C: L.25, A.29, W.66, V.70 6 PLIP interactions: 6 interactions with chain C Hydrophobic interactions: C:L.25, C:L.25, C:A.29, C:W.66, C:W.66, C:V.70 F09.16: 5 residues within 4Å: Chain D: R.57 Chain F: L.25, A.29, W.66, V.70 6 PLIP interactions: 6 interactions with chain F Hydrophobic interactions: F:L.25, F:L.25, F:A.29, F:W.66, F:W.66, F:V.70 F09.24: 5 residues within 4Å: Chain G: R.57 Chain I: L.25, A.29, W.66, V.70 6 PLIP interactions: 6 interactions with chain I Hydrophobic interactions: I:L.25, I:L.25, I:A.29, I:W.66, I:W.66, I:V.70 F09.32: 5 residues within 4Å: Chain J: R.57 Chain L: L.25, A.29, W.66, V.70 6 PLIP interactions: 6 interactions with chain L Hydrophobic interactions: L:L.25, L:L.25, L:A.29, L:W.66, L:W.66, L:V.70

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cordero-Morales, J.F. et al., Crystal Structure of KcsA mutant. To be Published

Release Date

2007-10-09

Peptides

FAB-A: ADGJ
FAB-B: 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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FAB-A

FAB-B

Voltage-gated potassium channel

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