SMTL ID : 3jyc.1

Crystal structure of the eukaryotic strong inward-rectifier K+ channel Kir2.2 at 3.1 Angstrom resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.11 Å

Oligo State

homo-tetramer

Ligands

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

K.1: 15 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.2, K.6, K.7, K.11, K.12, K.16, K.17 Ligand excluded by PLIP K.2: 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.1, K.3, K.6, K.7, K.8, K.11, K.12, K.13, K.16, K.17, K.18 Ligand excluded by PLIP K.3: 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.2, K.4, K.7, K.8, K.9, K.12, K.13, K.14, K.17, K.18, K.19 Ligand excluded by PLIP K.4: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.3, K.8, K.9, K.13, K.14, K.18, K.19 Ligand excluded by PLIP K.5: 3 residues within 4Å: Ligands: K.10, K.15, K.20 Ligand excluded by PLIP K.6: 15 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.7, K.11, K.12, K.16, K.17 Ligand excluded by PLIP K.7: 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.1, K.2, K.3, K.6, K.8, K.11, K.12, K.13, K.16, K.17, K.18 Ligand excluded by PLIP K.8: 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.2, K.3, K.4, K.7, K.9, K.12, K.13, K.14, K.17, K.18, K.19 Ligand excluded by PLIP K.9: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.3, K.4, K.8, K.13, K.14, K.18, K.19 Ligand excluded by PLIP K.10: 3 residues within 4Å: Ligands: K.5, K.15, K.20 Ligand excluded by PLIP K.11: 15 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.6, K.7, K.12, K.16, K.17 Ligand excluded by PLIP K.12: 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.1, K.2, K.3, K.6, K.7, K.8, K.11, K.13, K.16, K.17, K.18 Ligand excluded by PLIP K.13: 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.2, K.3, K.4, K.7, K.8, K.9, K.12, K.14, K.17, K.18, K.19 Ligand excluded by PLIP K.14: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.3, K.4, K.8, K.9, K.13, K.18, K.19 Ligand excluded by PLIP K.15: 3 residues within 4Å: Ligands: K.5, K.10, K.20 Ligand excluded by PLIP K.16: 15 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.6, K.7, K.11, K.12, K.17 Ligand excluded by PLIP K.17: 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.1, K.2, K.3, K.6, K.7, K.8, K.11, K.12, K.13, K.16, K.18 Ligand excluded by PLIP K.18: 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.2, K.3, K.4, K.7, K.8, K.9, K.12, K.13, K.14, K.17, K.19 Ligand excluded by PLIP K.19: 11 residues within 4Å: Chain A: T.108 Chain B: T.108 Chain C: T.108 Chain D: T.108 Ligands: K.3, K.4, K.8, K.9, K.13, K.14, K.18 Ligand excluded by PLIP K.20: 3 residues within 4Å: Ligands: K.5, K.10, K.15 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tao, X. et al., Crystal structure of the eukaryotic strong inward-rectifier K+ channel Kir2.2 at 3.1 A resolution. Science (2009)

Release Date

2010-01-12

Peptides

Inward-rectifier K+ channel Kir2.2: 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 K+ channel Kir2.2

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