SMTL ID : 7n9l.1

KirBac3.1 C71S C262S

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-tetramer

Ligands

16 x PCW: 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

PCW.1: 8 residues within 4Å: Chain A: W.33, L.34, H.37, D.40, L.41, V.44, V.48, L.52 Ligand excluded by PLIP PCW.2: 9 residues within 4Å: Chain A: H.37, L.122, V.126 Chain C: W.46, I.50, I.131, F.135 Ligands: PCW.3, PCW.4 Ligand excluded by PLIP PCW.3: 13 residues within 4Å: Chain A: I.53, L.56, Y.57, T.60, M.94, C.119, G.120, L.122, G.123, V.126, A.127 Chain D: M.121 Ligands: PCW.2 Ligand excluded by PLIP PCW.4: 5 residues within 4Å: Chain A: L.41, V.126, L.130 Chain C: F.135 Ligands: PCW.2 Ligand excluded by PLIP PCW.15: 8 residues within 4Å: Chain B: W.33, L.34, H.37, D.40, L.41, V.44, V.48, L.52 Ligand excluded by PLIP PCW.16: 9 residues within 4Å: Chain B: H.37, L.122, V.126 Chain D: W.46, I.50, I.131, F.135 Ligands: PCW.17, PCW.18 Ligand excluded by PLIP PCW.17: 13 residues within 4Å: Chain B: I.53, L.56, Y.57, T.60, M.94, C.119, G.120, L.122, G.123, V.126, A.127 Chain C: M.121 Ligands: PCW.16 Ligand excluded by PLIP PCW.18: 5 residues within 4Å: Chain B: L.41, V.126, L.130 Chain D: F.135 Ligands: PCW.16 Ligand excluded by PLIP PCW.29: 8 residues within 4Å: Chain C: W.33, L.34, H.37, D.40, L.41, V.44, V.48, L.52 Ligand excluded by PLIP PCW.30: 9 residues within 4Å: Chain B: W.46, I.50, I.131, F.135 Chain C: H.37, L.122, V.126 Ligands: PCW.31, PCW.32 Ligand excluded by PLIP PCW.31: 13 residues within 4Å: Chain A: M.121 Chain C: I.53, L.56, Y.57, T.60, M.94, C.119, G.120, L.122, G.123, V.126, A.127 Ligands: PCW.30 Ligand excluded by PLIP PCW.32: 5 residues within 4Å: Chain B: F.135 Chain C: L.41, V.126, L.130 Ligands: PCW.30 Ligand excluded by PLIP PCW.43: 8 residues within 4Å: Chain D: W.33, L.34, H.37, D.40, L.41, V.44, V.48, L.52 Ligand excluded by PLIP PCW.44: 9 residues within 4Å: Chain A: W.46, I.50, I.131, F.135 Chain D: H.37, L.122, V.126 Ligands: PCW.45, PCW.46 Ligand excluded by PLIP PCW.45: 13 residues within 4Å: Chain B: M.121 Chain D: I.53, L.56, Y.57, T.60, M.94, C.119, G.120, L.122, G.123, V.126, A.127 Ligands: PCW.44 Ligand excluded by PLIP PCW.46: 5 residues within 4Å: Chain A: F.135 Chain D: L.41, V.126, L.130 Ligands: PCW.44 Ligand excluded by PLIP

4 x TMO: trimethylamine oxide(Non-covalent)

TMO.5: 16 residues within 4Å: Chain A: Y.132, A.133, T.136, R.137, Q.252 Chain C: Y.132, T.136, F.250, A.251, Q.252 Ligands: K.10, K.24, TMO.33, K.38, TMO.47, K.52 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Y.132 TMO.19: 16 residues within 4Å: Chain B: Y.132, A.133, T.136, R.137, Q.252 Chain D: Y.132, T.136, F.250, A.251, Q.252 Ligands: K.10, K.24, TMO.33, K.38, TMO.47, K.52 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:Y.132 TMO.33: 16 residues within 4Å: Chain B: Y.132, T.136, F.250, A.251, Q.252 Chain C: Y.132, A.133, T.136, R.137, Q.252 Ligands: TMO.5, K.10, TMO.19, K.24, K.38, K.52 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.132 TMO.47: 16 residues within 4Å: Chain A: Y.132, T.136, F.250, A.251, Q.252 Chain D: Y.132, A.133, T.136, R.137, Q.252 Ligands: TMO.5, K.10, TMO.19, K.24, K.38, K.52 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.132

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

K.6: 15 residues within 4Å: Chain A: G.98, Y.99, G.100 Chain B: G.98, Y.99, G.100 Chain C: G.98, Y.99, G.100 Chain D: G.98, Y.99, G.100 Ligands: K.20, K.34, K.48 Ligand excluded by PLIP K.7: 15 residues within 4Å: Chain A: T.96, I.97 Chain B: T.96, I.97 Chain C: T.96, I.97 Chain D: T.96, I.97 Ligands: K.8, K.21, K.22, K.35, K.36, K.49, K.50 Ligand excluded by PLIP K.8: 11 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: K.7, K.21, K.22, K.35, K.36, K.49, K.50 Ligand excluded by PLIP K.9: 7 residues within 4Å: Chain A: G.100 Chain B: G.100 Chain C: G.100 Chain D: G.100 Ligands: K.23, K.37, K.51 Ligand excluded by PLIP K.10: 15 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: TMO.5, K.11, TMO.19, K.24, K.25, TMO.33, K.38, K.39, TMO.47, K.52, K.53 Ligand excluded by PLIP K.11: 11 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: K.10, K.24, K.25, K.38, K.39, K.52, K.53 Ligand excluded by PLIP K.12: 7 residues within 4Å: Chain A: A.128 Chain B: A.128 Chain C: A.128 Chain D: A.128 Ligands: K.26, K.40, K.54 Ligand excluded by PLIP K.13: 2 residues within 4Å: Chain A: T.96, L.124 Ligand excluded by PLIP K.14: 3 residues within 4Å: Ligands: K.28, K.42, K.56 Ligand excluded by PLIP K.20: 15 residues within 4Å: Chain A: G.98, Y.99, G.100 Chain B: G.98, Y.99, G.100 Chain C: G.98, Y.99, G.100 Chain D: G.98, Y.99, G.100 Ligands: K.6, K.34, K.48 Ligand excluded by PLIP K.21: 15 residues within 4Å: Chain A: T.96, I.97 Chain B: T.96, I.97 Chain C: T.96, I.97 Chain D: T.96, I.97 Ligands: K.7, K.8, K.22, K.35, K.36, K.49, K.50 Ligand excluded by PLIP K.22: 11 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: K.7, K.8, K.21, K.35, K.36, K.49, K.50 Ligand excluded by PLIP K.23: 7 residues within 4Å: Chain A: G.100 Chain B: G.100 Chain C: G.100 Chain D: G.100 Ligands: K.9, K.37, K.51 Ligand excluded by PLIP K.24: 15 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: TMO.5, K.10, K.11, TMO.19, K.25, TMO.33, K.38, K.39, TMO.47, K.52, K.53 Ligand excluded by PLIP K.25: 11 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: K.10, K.11, K.24, K.38, K.39, K.52, K.53 Ligand excluded by PLIP K.26: 7 residues within 4Å: Chain A: A.128 Chain B: A.128 Chain C: A.128 Chain D: A.128 Ligands: K.12, K.40, K.54 Ligand excluded by PLIP K.27: 2 residues within 4Å: Chain B: T.96, L.124 Ligand excluded by PLIP K.28: 3 residues within 4Å: Ligands: K.14, K.42, K.56 Ligand excluded by PLIP K.34: 15 residues within 4Å: Chain A: G.98, Y.99, G.100 Chain B: G.98, Y.99, G.100 Chain C: G.98, Y.99, G.100 Chain D: G.98, Y.99, G.100 Ligands: K.6, K.20, K.48 Ligand excluded by PLIP K.35: 15 residues within 4Å: Chain A: T.96, I.97 Chain B: T.96, I.97 Chain C: T.96, I.97 Chain D: T.96, I.97 Ligands: K.7, K.8, K.21, K.22, K.36, K.49, K.50 Ligand excluded by PLIP K.36: 11 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: K.7, K.8, K.21, K.22, K.35, K.49, K.50 Ligand excluded by PLIP K.37: 7 residues within 4Å: Chain A: G.100 Chain B: G.100 Chain C: G.100 Chain D: G.100 Ligands: K.9, K.23, K.51 Ligand excluded by PLIP K.38: 15 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: TMO.5, K.10, K.11, TMO.19, K.24, K.25, TMO.33, K.39, TMO.47, K.52, K.53 Ligand excluded by PLIP K.39: 11 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: K.10, K.11, K.24, K.25, K.38, K.52, K.53 Ligand excluded by PLIP K.40: 7 residues within 4Å: Chain A: A.128 Chain B: A.128 Chain C: A.128 Chain D: A.128 Ligands: K.12, K.26, K.54 Ligand excluded by PLIP K.41: 2 residues within 4Å: Chain C: T.96, L.124 Ligand excluded by PLIP K.42: 3 residues within 4Å: Ligands: K.14, K.28, K.56 Ligand excluded by PLIP K.48: 15 residues within 4Å: Chain A: G.98, Y.99, G.100 Chain B: G.98, Y.99, G.100 Chain C: G.98, Y.99, G.100 Chain D: G.98, Y.99, G.100 Ligands: K.6, K.20, K.34 Ligand excluded by PLIP K.49: 15 residues within 4Å: Chain A: T.96, I.97 Chain B: T.96, I.97 Chain C: T.96, I.97 Chain D: T.96, I.97 Ligands: K.7, K.8, K.21, K.22, K.35, K.36, K.50 Ligand excluded by PLIP K.50: 11 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: K.7, K.8, K.21, K.22, K.35, K.36, K.49 Ligand excluded by PLIP K.51: 7 residues within 4Å: Chain A: G.100 Chain B: G.100 Chain C: G.100 Chain D: G.100 Ligands: K.9, K.23, K.37 Ligand excluded by PLIP K.52: 15 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: TMO.5, K.10, K.11, TMO.19, K.24, K.25, TMO.33, K.38, K.39, TMO.47, K.53 Ligand excluded by PLIP K.53: 11 residues within 4Å: Chain A: Y.132 Chain B: Y.132 Chain C: Y.132 Chain D: Y.132 Ligands: K.10, K.11, K.24, K.25, K.38, K.39, K.52 Ligand excluded by PLIP K.54: 7 residues within 4Å: Chain A: A.128 Chain B: A.128 Chain C: A.128 Chain D: A.128 Ligands: K.12, K.26, K.40 Ligand excluded by PLIP K.55: 2 residues within 4Å: Chain D: T.96, L.124 Ligand excluded by PLIP K.56: 3 residues within 4Å: Ligands: K.14, K.28, K.42 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jin, R. et al., Ion currents through Kir potassium channels are gated by anionic lipids. Nat Commun (2022)

Release Date

2021-12-29

Peptides

Inward rectifier potassium channel Kirbac3.1: 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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Inward rectifier potassium channel Kirbac3.1