SMTL ID : 5tj6.1

Ca2+ bound aplysia Slo1

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY 3.50 Å

Oligo State

homo-tetramer

Ligands

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

K.1: 3 residues within 4Å: Ligands: K.24, K.47, K.70 Ligand excluded by PLIP K.2: 15 residues within 4Å: Chain A: G.278, F.279 Chain B: G.278, F.279 Chain C: G.278, F.279 Chain D: G.278, F.279 Ligands: K.3, K.25, K.26, K.48, K.49, K.71, K.72 Ligand excluded by PLIP K.3: 19 residues within 4Å: Chain A: V.277, G.278 Chain B: V.277, G.278 Chain C: V.277, G.278 Chain D: V.277, G.278 Ligands: K.2, K.4, K.25, K.26, K.27, K.48, K.49, K.50, K.71, K.72, K.73 Ligand excluded by PLIP K.4: 19 residues within 4Å: Chain A: T.276, V.277 Chain B: T.276, V.277 Chain C: T.276, V.277 Chain D: T.276, V.277 Ligands: K.3, K.5, K.26, K.27, K.28, K.49, K.50, K.51, K.72, K.73, K.74 Ligand excluded by PLIP K.5: 11 residues within 4Å: Chain A: T.276 Chain B: T.276 Chain C: T.276 Chain D: T.276 Ligands: K.4, K.27, K.28, K.50, K.51, K.73, K.74 Ligand excluded by PLIP K.24: 3 residues within 4Å: Ligands: K.1, K.47, K.70 Ligand excluded by PLIP K.25: 15 residues within 4Å: Chain A: G.278, F.279 Chain B: G.278, F.279 Chain C: G.278, F.279 Chain D: G.278, F.279 Ligands: K.2, K.3, K.26, K.48, K.49, K.71, K.72 Ligand excluded by PLIP K.26: 19 residues within 4Å: Chain A: V.277, G.278 Chain B: V.277, G.278 Chain C: V.277, G.278 Chain D: V.277, G.278 Ligands: K.2, K.3, K.4, K.25, K.27, K.48, K.49, K.50, K.71, K.72, K.73 Ligand excluded by PLIP K.27: 19 residues within 4Å: Chain A: T.276, V.277 Chain B: T.276, V.277 Chain C: T.276, V.277 Chain D: T.276, V.277 Ligands: K.3, K.4, K.5, K.26, K.28, K.49, K.50, K.51, K.72, K.73, K.74 Ligand excluded by PLIP K.28: 11 residues within 4Å: Chain A: T.276 Chain B: T.276 Chain C: T.276 Chain D: T.276 Ligands: K.4, K.5, K.27, K.50, K.51, K.73, K.74 Ligand excluded by PLIP K.47: 3 residues within 4Å: Ligands: K.1, K.24, K.70 Ligand excluded by PLIP K.48: 15 residues within 4Å: Chain A: G.278, F.279 Chain B: G.278, F.279 Chain C: G.278, F.279 Chain D: G.278, F.279 Ligands: K.2, K.3, K.25, K.26, K.49, K.71, K.72 Ligand excluded by PLIP K.49: 19 residues within 4Å: Chain A: V.277, G.278 Chain B: V.277, G.278 Chain C: V.277, G.278 Chain D: V.277, G.278 Ligands: K.2, K.3, K.4, K.25, K.26, K.27, K.48, K.50, K.71, K.72, K.73 Ligand excluded by PLIP K.50: 19 residues within 4Å: Chain A: T.276, V.277 Chain B: T.276, V.277 Chain C: T.276, V.277 Chain D: T.276, V.277 Ligands: K.3, K.4, K.5, K.26, K.27, K.28, K.49, K.51, K.72, K.73, K.74 Ligand excluded by PLIP K.51: 11 residues within 4Å: Chain A: T.276 Chain B: T.276 Chain C: T.276 Chain D: T.276 Ligands: K.4, K.5, K.27, K.28, K.50, K.73, K.74 Ligand excluded by PLIP K.70: 3 residues within 4Å: Ligands: K.1, K.24, K.47 Ligand excluded by PLIP K.71: 15 residues within 4Å: Chain A: G.278, F.279 Chain B: G.278, F.279 Chain C: G.278, F.279 Chain D: G.278, F.279 Ligands: K.2, K.3, K.25, K.26, K.48, K.49, K.72 Ligand excluded by PLIP K.72: 19 residues within 4Å: Chain A: V.277, G.278 Chain B: V.277, G.278 Chain C: V.277, G.278 Chain D: V.277, G.278 Ligands: K.2, K.3, K.4, K.25, K.26, K.27, K.48, K.49, K.50, K.71, K.73 Ligand excluded by PLIP K.73: 19 residues within 4Å: Chain A: T.276, V.277 Chain B: T.276, V.277 Chain C: T.276, V.277 Chain D: T.276, V.277 Ligands: K.3, K.4, K.5, K.26, K.27, K.28, K.49, K.50, K.51, K.72, K.74 Ligand excluded by PLIP K.74: 11 residues within 4Å: Chain A: T.276 Chain B: T.276 Chain C: T.276 Chain D: T.276 Ligands: K.4, K.5, K.27, K.28, K.50, K.51, K.73 Ligand excluded by PLIP

4 x MG: MAGNESIUM ION(Non-covalent)

MG.6: 4 residues within 4Å: Chain A: E.328, E.363, T.385, E.388 No protein-ligand interaction detected (PLIP) MG.29: 4 residues within 4Å: Chain B: E.328, E.363, T.385, E.388 No protein-ligand interaction detected (PLIP) MG.52: 4 residues within 4Å: Chain C: E.328, E.363, T.385, E.388 No protein-ligand interaction detected (PLIP) MG.75: 4 residues within 4Å: Chain D: E.328, E.363, T.385, E.388 No protein-ligand interaction detected (PLIP)

8 x CA: CALCIUM ION(Non-covalent)

CA.7: 6 residues within 4Å: Chain A: D.356, R.503, S.504, G.523, E.525, E.591 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.356, A:R.503, A:G.523, A:E.525, A:E.591 CA.8: 5 residues within 4Å: Chain A: Q.899, D.902, D.905, D.907 Chain C: N.438 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:Q.899, A:D.902, A:D.905, A:D.907 CA.30: 6 residues within 4Å: Chain B: D.356, R.503, S.504, G.523, E.525, E.591 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.356, B:R.503, B:G.523, B:E.525, B:E.591 CA.31: 5 residues within 4Å: Chain B: Q.899, D.902, D.905, D.907 Chain D: N.438 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:Q.899, B:D.902, B:D.905, B:D.907 CA.53: 6 residues within 4Å: Chain C: D.356, R.503, S.504, G.523, E.525, E.591 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.356, C:R.503, C:G.523, C:E.525, C:E.591 CA.54: 5 residues within 4Å: Chain B: N.438 Chain C: Q.899, D.902, D.905, D.907 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:Q.899, C:D.902, C:D.905, C:D.907 CA.76: 6 residues within 4Å: Chain D: D.356, R.503, S.504, G.523, E.525, E.591 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:D.356, D:R.503, D:G.523, D:E.525, D:E.591 CA.77: 5 residues within 4Å: Chain A: N.438 Chain D: Q.899, D.902, D.905, D.907 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:Q.899, D:D.902, D:D.905, D:D.907

60 x PGW: (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate(Non-covalent)(Non-functional Binders)

PGW.9: 3 residues within 4Å: Chain A: A.112, T.137, T.138 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:A.112, A:T.138 PGW.10: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.11: 3 residues within 4Å: Chain A: W.16, W.192, S.248 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.16, A:W.192 PGW.12: 2 residues within 4Å: Chain A: I.119, S.122 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.119 PGW.13: 3 residues within 4Å: Chain A: I.299, F.300 Ligands: PGW.22 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.299, A:F.300 PGW.14: 2 residues within 4Å: Chain C: F.252, F.253 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:F.252, C:F.252 PGW.15: 2 residues within 4Å: Chain A: A.312 Chain C: G.302 No protein-ligand interaction detected (PLIP) PGW.16: 3 residues within 4Å: Chain A: L.288, T.291, I.295 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.295 PGW.17: 10 residues within 4Å: Chain A: W.235, T.262, W.264, E.265 Chain C: F.253, T.285, V.287, R.290, T.291, V.294 7 PLIP interactions: 5 interactions with chain C, 2 interactions with chain A Hydrophobic interactions: C:R.290, C:T.291, C:V.294, C:V.294, A:W.235 Salt bridges: C:R.290 Hydrogen bonds: A:E.265 PGW.18: 3 residues within 4Å: Chain A: I.314, L.315, K.317 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.315, A:K.317 PGW.19: 1 residues within 4Å: Chain A: V.215 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:V.215 PGW.20: 2 residues within 4Å: Chain A: I.119, T.123 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.123, A:T.123 PGW.21: 1 residues within 4Å: Chain C: P.251 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:P.251, C:P.251 PGW.22: 4 residues within 4Å: Chain A: L.170, M.204, L.234 Ligands: PGW.13 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:L.170, A:L.170, A:L.234 PGW.23: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.32: 3 residues within 4Å: Chain B: A.112, T.137, T.138 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:A.112, B:T.138 PGW.33: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.34: 3 residues within 4Å: Chain B: W.16, W.192, S.248 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:W.16, B:W.192 PGW.35: 2 residues within 4Å: Chain B: I.119, S.122 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:I.119 PGW.36: 3 residues within 4Å: Chain B: I.299, F.300 Ligands: PGW.45 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:I.299, B:F.300 PGW.37: 2 residues within 4Å: Chain D: F.252, F.253 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:F.252, D:F.252 PGW.38: 2 residues within 4Å: Chain B: A.312 Chain D: G.302 No protein-ligand interaction detected (PLIP) PGW.39: 3 residues within 4Å: Chain B: L.288, T.291, I.295 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:I.295 PGW.40: 10 residues within 4Å: Chain B: W.235, T.262, W.264, E.265 Chain D: F.253, T.285, V.287, R.290, T.291, V.294 7 PLIP interactions: 5 interactions with chain D, 2 interactions with chain B Hydrophobic interactions: D:R.290, D:T.291, D:V.294, D:V.294, B:W.235 Salt bridges: D:R.290 Hydrogen bonds: B:E.265 PGW.41: 3 residues within 4Å: Chain B: I.314, L.315, K.317 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.315, B:K.317 PGW.42: 1 residues within 4Å: Chain B: V.215 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:V.215 PGW.43: 2 residues within 4Å: Chain B: I.119, T.123 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.123, B:T.123 PGW.44: 1 residues within 4Å: Chain D: P.251 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:P.251, D:P.251 PGW.45: 4 residues within 4Å: Chain B: L.170, M.204, L.234 Ligands: PGW.36 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.170, B:L.170, B:L.234 PGW.46: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.55: 3 residues within 4Å: Chain C: A.112, T.137, T.138 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:A.112, C:T.138 PGW.56: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.57: 3 residues within 4Å: Chain C: W.16, W.192, S.248 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:W.16, C:W.192 PGW.58: 2 residues within 4Å: Chain C: I.119, S.122 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:I.119 PGW.59: 3 residues within 4Å: Chain C: I.299, F.300 Ligands: PGW.68 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:I.299, C:F.300 PGW.60: 2 residues within 4Å: Chain B: F.252, F.253 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.252, B:F.252 PGW.61: 2 residues within 4Å: Chain B: G.302 Chain C: A.312 No protein-ligand interaction detected (PLIP) PGW.62: 3 residues within 4Å: Chain C: L.288, T.291, I.295 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:I.295 PGW.63: 10 residues within 4Å: Chain B: F.253, T.285, V.287, R.290, T.291, V.294 Chain C: W.235, T.262, W.264, E.265 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:R.290, B:T.291, B:V.294, B:V.294, C:W.235 Salt bridges: B:R.290 Hydrogen bonds: C:E.265 PGW.64: 3 residues within 4Å: Chain C: I.314, L.315, K.317 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:L.315, C:K.317 PGW.65: 1 residues within 4Å: Chain C: V.215 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:V.215 PGW.66: 2 residues within 4Å: Chain C: I.119, T.123 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:T.123, C:T.123 PGW.67: 1 residues within 4Å: Chain B: P.251 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:P.251, B:P.251 PGW.68: 4 residues within 4Å: Chain C: L.170, M.204, L.234 Ligands: PGW.59 3 PLIP interactions: 3 interactions with chain C Hydrophobic interactions: C:L.170, C:L.170, C:L.234 PGW.69: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.78: 3 residues within 4Å: Chain D: A.112, T.137, T.138 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:A.112, D:T.138 PGW.79: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PGW.80: 3 residues within 4Å: Chain D: W.16, W.192, S.248 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:W.16, D:W.192 PGW.81: 2 residues within 4Å: Chain D: I.119, S.122 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:I.119 PGW.82: 3 residues within 4Å: Chain D: I.299, F.300 Ligands: PGW.91 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:I.299, D:F.300 PGW.83: 2 residues within 4Å: Chain A: F.252, F.253 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.252, A:F.252 PGW.84: 2 residues within 4Å: Chain A: G.302 Chain D: A.312 No protein-ligand interaction detected (PLIP) PGW.85: 3 residues within 4Å: Chain D: L.288, T.291, I.295 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:I.295 PGW.86: 10 residues within 4Å: Chain A: F.253, T.285, V.287, R.290, T.291, V.294 Chain D: W.235, T.262, W.264, E.265 7 PLIP interactions: 5 interactions with chain A, 2 interactions with chain D Hydrophobic interactions: A:R.290, A:T.291, A:V.294, A:V.294, D:W.235 Salt bridges: A:R.290 Hydrogen bonds: D:E.265 PGW.87: 3 residues within 4Å: Chain D: I.314, L.315, K.317 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:L.315, D:K.317 PGW.88: 1 residues within 4Å: Chain D: V.215 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:V.215 PGW.89: 2 residues within 4Å: Chain D: I.119, T.123 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:T.123, D:T.123 PGW.90: 1 residues within 4Å: Chain A: P.251 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:P.251, A:P.251 PGW.91: 4 residues within 4Å: Chain D: L.170, M.204, L.234 Ligands: PGW.82 3 PLIP interactions: 3 interactions with chain D Hydrophobic interactions: D:L.170, D:L.170, D:L.234 PGW.92: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tao, X. et al., Cryo-EM structure of the open high-conductance Ca(2+)-activated K(+) channel. Nature (2017)

Release Date

2016-12-14

Peptides

High conductance calcium-activated potassium channel: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Membrane

We predict this structure to be a membrane protein.
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High conductance calcium-activated potassium channel

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