SMTL ID : 5ec2.1

KcsA with V76ester+G77dA mutations

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-4-4-4-mer

Ligands

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

F09.1: 4 residues within 4Å: Chain A: R.57 Chain C: L.46, W.87, V.91 8 PLIP interactions: 7 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: C:L.46, C:L.46, C:W.87, C:W.87, C:W.87, C:W.87, C:V.91 Hydrogen bonds: A:R.57 F09.9: 4 residues within 4Å: Chain D: R.57 Chain F: L.46, W.87, V.91 8 PLIP interactions: 7 interactions with chain F, 1 interactions with chain D Hydrophobic interactions: F:L.46, F:L.46, F:W.87, F:W.87, F:W.87, F:W.87, F:V.91 Hydrogen bonds: D:R.57 F09.17: 4 residues within 4Å: Chain G: R.57 Chain I: L.46, W.87, V.91 8 PLIP interactions: 1 interactions with chain G, 7 interactions with chain I Hydrogen bonds: G:R.57 Hydrophobic interactions: I:L.46, I:L.46, I:W.87, I:W.87, I:W.87, I:W.87, I:V.91 F09.25: 4 residues within 4Å: Chain J: R.57 Chain L: L.46, W.87, V.91 8 PLIP interactions: 7 interactions with chain L, 1 interactions with chain J Hydrophobic interactions: L:L.46, L:L.46, L:W.87, L:W.87, L:W.87, L:W.87, L:V.91 Hydrogen bonds: J:R.57

4 x DGA: DIACYL GLYCEROL(Non-covalent)

DGA.2: 12 residues within 4Å: Chain C: V.84, L.86, R.89, L.90, V.93 Chain H: E.53 Chain I: S.44, Y.45, Y.62, P.63, W.67, C.70 6 PLIP interactions: 3 interactions with chain C, 1 interactions with chain H, 2 interactions with chain I Hydrophobic interactions: C:L.86, C:V.93, I:Y.45, I:W.67 Salt bridges: C:R.89 Hydrogen bonds: H:E.53 DGA.10: 12 residues within 4Å: Chain F: V.84, L.86, R.89, L.90, V.93 Chain K: E.53 Chain L: S.44, Y.45, Y.62, P.63, W.67, C.70 6 PLIP interactions: 2 interactions with chain L, 3 interactions with chain F, 1 interactions with chain K Hydrophobic interactions: L:Y.45, L:W.67, F:L.86, F:V.93 Salt bridges: F:R.89 Hydrogen bonds: K:E.53 DGA.18: 12 residues within 4Å: Chain E: E.53 Chain F: S.44, Y.45, Y.62, P.63, W.67, C.70 Chain I: V.84, L.86, R.89, L.90, V.93 6 PLIP interactions: 3 interactions with chain I, 1 interactions with chain E, 2 interactions with chain F Hydrophobic interactions: I:L.86, I:V.93, F:Y.45, F:W.67 Salt bridges: I:R.89 Hydrogen bonds: E:E.53 DGA.26: 12 residues within 4Å: Chain B: E.53 Chain C: S.44, Y.45, Y.62, P.63, W.67, C.70 Chain L: V.84, L.86, R.89, L.90, V.93 6 PLIP interactions: 2 interactions with chain C, 3 interactions with chain L, 1 interactions with chain B Hydrophobic interactions: C:Y.45, C:W.67, L:L.86, L:V.93 Salt bridges: L:R.89 Hydrogen bonds: B:E.53

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

K.3: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: K.4, K.11, K.12, K.19, K.20, K.27, K.28 Ligand excluded by PLIP K.4: 19 residues within 4Å: Chain C: T.75, X.76 Chain F: T.75, X.76 Chain I: T.75, X.76 Chain L: T.75, X.76 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: X.76, A.77 Chain F: X.76, A.77 Chain I: X.76, A.77 Chain L: X.76, A.77 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: 15 residues within 4Å: Chain C: A.77, Y.78 Chain F: A.77, Y.78 Chain I: A.77, Y.78 Chain L: A.77, Y.78 Ligands: K.5, K.13, K.14, K.21, K.22, K.29, K.30 Ligand excluded by PLIP K.7: 3 residues within 4Å: Ligands: K.15, K.23, K.31 Ligand excluded by PLIP K.8: 3 residues within 4Å: Ligands: K.16, K.24, K.32 Ligand excluded by PLIP K.11: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: K.3, K.4, K.12, K.19, K.20, K.27, K.28 Ligand excluded by PLIP K.12: 19 residues within 4Å: Chain C: T.75, X.76 Chain F: T.75, X.76 Chain I: T.75, X.76 Chain L: T.75, X.76 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: X.76, A.77 Chain F: X.76, A.77 Chain I: X.76, A.77 Chain L: X.76, A.77 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: 15 residues within 4Å: Chain C: A.77, Y.78 Chain F: A.77, Y.78 Chain I: A.77, Y.78 Chain L: A.77, Y.78 Ligands: K.5, K.6, K.13, K.21, K.22, K.29, K.30 Ligand excluded by PLIP K.15: 3 residues within 4Å: Ligands: K.7, K.23, K.31 Ligand excluded by PLIP K.16: 3 residues within 4Å: Ligands: K.8, K.24, K.32 Ligand excluded by PLIP K.19: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: K.3, K.4, K.11, K.12, K.20, K.27, K.28 Ligand excluded by PLIP K.20: 19 residues within 4Å: Chain C: T.75, X.76 Chain F: T.75, X.76 Chain I: T.75, X.76 Chain L: T.75, X.76 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: X.76, A.77 Chain F: X.76, A.77 Chain I: X.76, A.77 Chain L: X.76, A.77 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: 15 residues within 4Å: Chain C: A.77, Y.78 Chain F: A.77, Y.78 Chain I: A.77, Y.78 Chain L: A.77, Y.78 Ligands: K.5, K.6, K.13, K.14, K.21, K.29, K.30 Ligand excluded by PLIP K.23: 3 residues within 4Å: Ligands: K.7, K.15, K.31 Ligand excluded by PLIP K.24: 3 residues within 4Å: Ligands: K.8, K.16, K.32 Ligand excluded by PLIP K.27: 11 residues within 4Å: Chain C: T.75 Chain F: T.75 Chain I: T.75 Chain L: T.75 Ligands: K.3, K.4, K.11, K.12, K.19, K.20, K.28 Ligand excluded by PLIP K.28: 19 residues within 4Å: Chain C: T.75, X.76 Chain F: T.75, X.76 Chain I: T.75, X.76 Chain L: T.75, X.76 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: X.76, A.77 Chain F: X.76, A.77 Chain I: X.76, A.77 Chain L: X.76, A.77 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: 15 residues within 4Å: Chain C: A.77, Y.78 Chain F: A.77, Y.78 Chain I: A.77, Y.78 Chain L: A.77, Y.78 Ligands: K.5, K.6, K.13, K.14, K.21, K.22, K.29 Ligand excluded by PLIP K.31: 3 residues within 4Å: Ligands: K.7, K.15, K.23 Ligand excluded by PLIP K.32: 3 residues within 4Å: Ligands: K.8, K.16, K.24 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Matulef, K. et al., Individual Ion Binding Sites in the K(+) Channel Play Distinct Roles in C-type Inactivation and in Recovery from Inactivation. Structure (2016)

Release Date

2016-04-20

Peptides

Antibody Fab Fragment Light Chain: ADGJ
Antibody Fab Fragment Light Chain: BEHK
pH-gated potassium channel KcsA: 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 Light Chain

pH-gated potassium channel KcsA

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