SMTL ID : 6v38.1

Cryo-EM structure of Ca2+-bound hsSlo1 channel

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

4 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 1 residues within 4Å: Chain A: E.399 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:E.399 MG.18: 1 residues within 4Å: Chain B: E.399 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:E.399 MG.32: 1 residues within 4Å: Chain C: E.399 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:E.399 MG.46: 1 residues within 4Å: Chain D: E.399 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:E.399

8 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.367, A:R.514, A:S.533, A:E.535, A:S.600 CA.3: 6 residues within 4Å: Chain A: Q.889, D.892, Q.893, D.895, D.897 Chain D: N.449 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:Q.889, A:D.892, A:D.895, A:D.895, A:D.897 CA.19: 5 residues within 4Å: Chain B: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.367, B:R.514, B:S.533, B:E.535, B:S.600 CA.20: 6 residues within 4Å: Chain A: N.449 Chain B: Q.889, D.892, Q.893, D.895, D.897 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:Q.889, B:D.892, B:D.895, B:D.895, B:D.897 CA.33: 5 residues within 4Å: Chain C: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.367, C:R.514, C:S.533, C:E.535, C:S.600 CA.34: 6 residues within 4Å: Chain B: N.449 Chain C: Q.889, D.892, Q.893, D.895, D.897 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:Q.889, C:D.892, C:D.895, C:D.895, C:D.897 CA.47: 5 residues within 4Å: Chain D: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:D.367, D:R.514, D:S.533, D:E.535, D:S.600 CA.48: 6 residues within 4Å: Chain C: N.449 Chain D: Q.889, D.892, Q.893, D.895, D.897 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:Q.889, D:D.892, D:D.895, D:D.895, D:D.897

32 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)(Non-functional Binders)

POV.4: 7 residues within 4Å: Chain A: F.306, G.310, M.314, S.317, Y.318 Chain B: I.323 Ligands: POV.15 Ligand excluded by PLIP POV.5: 4 residues within 4Å: Chain A: R.20, W.22, L.26, F.266 Ligand excluded by PLIP POV.6: 1 residues within 4Å: Ligands: CLR.9 Ligand excluded by PLIP POV.7: 2 residues within 4Å: Chain A: G.125, F.148 Ligand excluded by PLIP POV.8: 1 residues within 4Å: Chain A: M.21 Ligand excluded by PLIP POV.12: 5 residues within 4Å: Chain A: N.328 Chain D: T.245, T.248, F.252 Ligands: POV.49 Ligand excluded by PLIP POV.13: 9 residues within 4Å: Chain A: T.273, W.275, E.276, V.278, Y.279 Chain D: E.264, T.298, L.302 Ligands: CLR.54 Ligand excluded by PLIP POV.14: 3 residues within 4Å: Chain A: S.135, W.275 Ligands: CLR.54 Ligand excluded by PLIP POV.15: 5 residues within 4Å: Chain A: T.245, T.248, F.252 Chain B: N.328 Ligands: POV.4 Ligand excluded by PLIP POV.16: 9 residues within 4Å: Chain A: E.264, T.298, L.302 Chain B: T.273, W.275, E.276, V.278, Y.279 Ligands: CLR.9 Ligand excluded by PLIP POV.17: 3 residues within 4Å: Chain B: S.135, W.275 Ligands: CLR.9 Ligand excluded by PLIP POV.21: 5 residues within 4Å: Chain B: T.245, T.248, F.252 Chain C: N.328 Ligands: POV.22 Ligand excluded by PLIP POV.22: 7 residues within 4Å: Chain B: F.306, G.310, M.314, S.317, Y.318 Chain C: I.323 Ligands: POV.21 Ligand excluded by PLIP POV.23: 4 residues within 4Å: Chain B: R.20, W.22, L.26, F.266 Ligand excluded by PLIP POV.24: 1 residues within 4Å: Ligands: CLR.28 Ligand excluded by PLIP POV.25: 2 residues within 4Å: Chain B: G.125, F.148 Ligand excluded by PLIP POV.26: 1 residues within 4Å: Chain B: M.21 Ligand excluded by PLIP POV.27: 8 residues within 4Å: Chain B: E.264, T.298, L.302 Chain C: T.273, W.275, E.276, Y.279 Ligands: CLR.28 Ligand excluded by PLIP POV.31: 1 residues within 4Å: Ligands: CLR.28 Ligand excluded by PLIP POV.35: 7 residues within 4Å: Chain C: F.306, G.310, M.314, S.317, Y.318 Chain D: I.323 Ligands: POV.44 Ligand excluded by PLIP POV.36: 4 residues within 4Å: Chain C: R.20, W.22, L.26, F.266 Ligand excluded by PLIP POV.37: 1 residues within 4Å: Ligands: CLR.41 Ligand excluded by PLIP POV.38: 2 residues within 4Å: Chain C: G.125, F.148 Ligand excluded by PLIP POV.39: 1 residues within 4Å: Chain C: M.21 Ligand excluded by PLIP POV.40: 9 residues within 4Å: Chain C: E.264, T.298, L.302 Chain D: T.273, W.275, E.276, V.278, Y.279 Ligands: CLR.41 Ligand excluded by PLIP POV.44: 5 residues within 4Å: Chain C: T.245, T.248, F.252 Chain D: N.328 Ligands: POV.35 Ligand excluded by PLIP POV.45: 2 residues within 4Å: Chain D: W.275 Ligands: CLR.41 Ligand excluded by PLIP POV.49: 7 residues within 4Å: Chain A: I.323 Chain D: F.306, G.310, M.314, S.317, Y.318 Ligands: POV.12 Ligand excluded by PLIP POV.50: 4 residues within 4Å: Chain D: R.20, W.22, L.26, F.266 Ligand excluded by PLIP POV.51: 1 residues within 4Å: Ligands: CLR.54 Ligand excluded by PLIP POV.52: 2 residues within 4Å: Chain D: G.125, F.148 Ligand excluded by PLIP POV.53: 1 residues within 4Å: Chain D: M.21 Ligand excluded by PLIP

12 x CLR: CHOLESTEROL(Non-covalent)

CLR.9: 5 residues within 4Å: Chain A: W.263, L.302 Ligands: POV.6, POV.16, POV.17 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.263, A:L.302 CLR.10: 2 residues within 4Å: Chain A: W.23, M.30 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:W.23, A:W.23, A:M.30 Hydrogen bonds: A:Q.19 CLR.11: 3 residues within 4Å: Chain A: V.97, W.100, I.169 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.97, A:W.100, A:W.100, A:W.100, A:I.169 CLR.28: 5 residues within 4Å: Chain B: W.263, L.302 Ligands: POV.24, POV.27, POV.31 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:W.263, B:L.302 CLR.29: 2 residues within 4Å: Chain B: W.23, M.30 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:W.23, B:W.23, B:M.30 Hydrogen bonds: B:Q.19 CLR.30: 3 residues within 4Å: Chain B: V.97, W.100, I.169 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.97, B:W.100, B:W.100, B:W.100, B:I.169 CLR.41: 5 residues within 4Å: Chain C: W.263, L.302 Ligands: POV.37, POV.40, POV.45 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:W.263, C:L.302 CLR.42: 2 residues within 4Å: Chain C: W.23, M.30 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:W.23, C:W.23, C:M.30 Hydrogen bonds: C:Q.19 CLR.43: 3 residues within 4Å: Chain C: V.97, W.100, I.169 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:V.97, C:W.100, C:W.100, C:W.100, C:I.169 CLR.54: 5 residues within 4Å: Chain D: W.263, L.302 Ligands: POV.13, POV.14, POV.51 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:W.263, D:L.302 CLR.55: 2 residues within 4Å: Chain D: W.23, M.30 4 PLIP interactions: 4 interactions with chain D Hydrophobic interactions: D:W.23, D:W.23, D:M.30 Hydrogen bonds: D:Q.19 CLR.56: 3 residues within 4Å: Chain D: V.97, W.100, I.169 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:V.97, D:W.100, D:W.100, D:W.100, D:I.169

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tao, X. et al., Molecular structures of the human Slo1 K + channel in complex with beta 4. Elife (2019)

Release Date

2019-12-25

Peptides

Calcium-activated potassium channel subunit alpha-1: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
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Calcium-activated potassium channel subunit alpha-1

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