SMTL ID : 6m84.1

Crystal structure of cKir2.2 force open mutant in complex with PI(4,5)P2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.81 Å

Oligo State

homo-tetramer

Ligands

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

K.1: 11 residues within 4Å: Chain A: Y.111 Chain B: Y.111 Chain C: Y.111 Chain D: Y.111 Ligands: K.2, K.9, K.10, K.17, K.18, K.25, K.26 Ligand excluded by PLIP K.2: 19 residues within 4Å: Chain A: G.110, Y.111 Chain B: G.110, Y.111 Chain C: G.110, Y.111 Chain D: G.110, Y.111 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 A: I.109, G.110 Chain B: I.109, G.110 Chain C: I.109, G.110 Chain D: I.109, G.110 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 A: T.108, I.109 Chain B: T.108, I.109 Chain C: T.108, I.109 Chain D: T.108, I.109 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: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.4, K.12, K.13, K.20, K.21, K.28, K.29 Ligand excluded by PLIP K.6: 3 residues within 4Å: Ligands: K.14, K.22, K.30 Ligand excluded by PLIP K.9: 11 residues within 4Å: Chain A: Y.111 Chain B: Y.111 Chain C: Y.111 Chain D: Y.111 Ligands: K.1, K.2, K.10, K.17, K.18, K.25, K.26 Ligand excluded by PLIP K.10: 19 residues within 4Å: Chain A: G.110, Y.111 Chain B: G.110, Y.111 Chain C: G.110, Y.111 Chain D: G.110, Y.111 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 A: I.109, G.110 Chain B: I.109, G.110 Chain C: I.109, G.110 Chain D: I.109, G.110 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 A: T.108, I.109 Chain B: T.108, I.109 Chain C: T.108, I.109 Chain D: T.108, I.109 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: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.4, K.5, K.12, K.20, K.21, K.28, K.29 Ligand excluded by PLIP K.14: 3 residues within 4Å: Ligands: K.6, K.22, K.30 Ligand excluded by PLIP K.17: 11 residues within 4Å: Chain A: Y.111 Chain B: Y.111 Chain C: Y.111 Chain D: Y.111 Ligands: K.1, K.2, K.9, K.10, K.18, K.25, K.26 Ligand excluded by PLIP K.18: 19 residues within 4Å: Chain A: G.110, Y.111 Chain B: G.110, Y.111 Chain C: G.110, Y.111 Chain D: G.110, Y.111 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 A: I.109, G.110 Chain B: I.109, G.110 Chain C: I.109, G.110 Chain D: I.109, G.110 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 A: T.108, I.109 Chain B: T.108, I.109 Chain C: T.108, I.109 Chain D: T.108, I.109 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: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.4, K.5, K.12, K.13, K.20, K.28, K.29 Ligand excluded by PLIP K.22: 3 residues within 4Å: Ligands: K.6, K.14, K.30 Ligand excluded by PLIP K.25: 11 residues within 4Å: Chain A: Y.111 Chain B: Y.111 Chain C: Y.111 Chain D: Y.111 Ligands: K.1, K.2, K.9, K.10, K.17, K.18, K.26 Ligand excluded by PLIP K.26: 19 residues within 4Å: Chain A: G.110, Y.111 Chain B: G.110, Y.111 Chain C: G.110, Y.111 Chain D: G.110, Y.111 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 A: I.109, G.110 Chain B: I.109, G.110 Chain C: I.109, G.110 Chain D: I.109, G.110 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 A: T.108, I.109 Chain B: T.108, I.109 Chain C: T.108, I.109 Chain D: T.108, I.109 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: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.4, K.5, K.12, K.13, K.20, K.21, K.28 Ligand excluded by PLIP K.30: 3 residues within 4Å: Ligands: K.6, K.14, K.22 Ligand excluded by PLIP

4 x PIO: [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate(Non-covalent)

PIO.7: 8 residues within 4Å: Chain A: D.41, R.43, W.44, R.45, K.148, R.151, K.153, K.154 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:R.43, A:W.44, A:R.45 Salt bridges: A:R.43, A:K.148, A:R.151, A:K.153, A:K.153, A:K.154, A:K.154 PIO.15: 8 residues within 4Å: Chain B: D.41, R.43, W.44, R.45, K.148, R.151, K.153, K.154 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:R.43, B:W.44, B:R.45 Salt bridges: B:R.43, B:K.148, B:R.151, B:K.153, B:K.153, B:K.154, B:K.154 PIO.23: 8 residues within 4Å: Chain C: D.41, R.43, W.44, R.45, K.148, R.151, K.153, K.154 10 PLIP interactions: 10 interactions with chain C Hydrogen bonds: C:R.43, C:W.44, C:R.45 Salt bridges: C:R.43, C:K.148, C:R.151, C:K.153, C:K.153, C:K.154, C:K.154 PIO.31: 8 residues within 4Å: Chain D: D.41, R.43, W.44, R.45, K.148, R.151, K.153, K.154 10 PLIP interactions: 10 interactions with chain D Hydrogen bonds: D:R.43, D:W.44, D:R.45 Salt bridges: D:R.43, D:K.148, D:R.151, D:K.153, D:K.153, D:K.154, D:K.154

4 x LMT: DODECYL-BETA-D-MALTOSIDE(Non-covalent)

LMT.8: 6 residues within 4Å: Chain A: E.20, F.21, M.24, W.27, Y.31, I.42 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:I.42 Hydrogen bonds: A:E.20, A:E.20, A:M.24, A:M.24, A:Y.31 Water bridges: A:N.23, A:N.23 LMT.16: 6 residues within 4Å: Chain B: E.20, F.21, M.24, W.27, Y.31, I.42 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:I.42 Hydrogen bonds: B:E.20, B:E.20, B:M.24, B:M.24, B:Y.31 Water bridges: B:N.23, B:N.23 LMT.24: 6 residues within 4Å: Chain C: E.20, F.21, M.24, W.27, Y.31, I.42 8 PLIP interactions: 8 interactions with chain C Hydrophobic interactions: C:I.42 Hydrogen bonds: C:E.20, C:E.20, C:M.24, C:M.24, C:Y.31 Water bridges: C:N.23, C:N.23 LMT.32: 6 residues within 4Å: Chain D: E.20, F.21, M.24, W.27, Y.31, I.42 8 PLIP interactions: 8 interactions with chain D Hydrophobic interactions: D:I.42 Hydrogen bonds: D:E.20, D:E.20, D:M.24, D:M.24, D:Y.31 Water bridges: D:N.23, D:N.23

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zangerl-Plessl, E.M. et al., Atomistic basis of opening and conduction in mammalian inward rectifier potassium (Kir2.2) channels. J.Gen.Physiol. (2020)

Release Date

2019-09-04

Peptides

ATP-sensitive inward rectifier potassium channel 12: 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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ATP-sensitive inward rectifier potassium channel 12

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