SMTL ID : 4zbm.1 (1 other biounit)

Crystal structure of Drosophila cyclic nucleotide gated channel pore mimicking NaK mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-tetramer

Ligands

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

K.1: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: BA.2, K.5, BA.6, K.9, BA.10, K.13, BA.14 5 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A, 1 interactions with chain C Metal complexes: B:T.46, B:T.46, A:T.46, A:T.46, C:T.46 K.3: 15 residues within 4Å: Chain A: V.47, G.48 Chain B: V.47, G.48 Chain C: V.47, G.48 Chain D: V.47, G.48 Ligands: BA.2, BA.6, K.7, BA.10, K.11, BA.14, K.15 No protein-ligand interaction detected (PLIP) K.4: 3 residues within 4Å: Ligands: K.8, K.12, K.16 No protein-ligand interaction detected (PLIP) K.5: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.1, BA.2, BA.6, K.9, BA.10, K.13, BA.14 5 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A, 1 interactions with chain C Metal complexes: B:T.46, B:T.46, A:T.46, A:T.46, C:T.46 K.7: 15 residues within 4Å: Chain A: V.47, G.48 Chain B: V.47, G.48 Chain C: V.47, G.48 Chain D: V.47, G.48 Ligands: BA.2, K.3, BA.6, BA.10, K.11, BA.14, K.15 No protein-ligand interaction detected (PLIP) K.8: 3 residues within 4Å: Ligands: K.4, K.12, K.16 No protein-ligand interaction detected (PLIP) K.9: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.1, BA.2, K.5, BA.6, BA.10, K.13, BA.14 5 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A, 1 interactions with chain C Metal complexes: B:T.46, B:T.46, A:T.46, A:T.46, C:T.46 K.11: 15 residues within 4Å: Chain A: V.47, G.48 Chain B: V.47, G.48 Chain C: V.47, G.48 Chain D: V.47, G.48 Ligands: BA.2, K.3, BA.6, K.7, BA.10, BA.14, K.15 No protein-ligand interaction detected (PLIP) K.12: 3 residues within 4Å: Ligands: K.4, K.8, K.16 No protein-ligand interaction detected (PLIP) K.13: 11 residues within 4Å: Chain A: T.46 Chain B: T.46 Chain C: T.46 Chain D: T.46 Ligands: K.1, BA.2, K.5, BA.6, K.9, BA.10, BA.14 5 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A, 1 interactions with chain C Metal complexes: B:T.46, B:T.46, A:T.46, A:T.46, C:T.46 K.15: 15 residues within 4Å: Chain A: V.47, G.48 Chain B: V.47, G.48 Chain C: V.47, G.48 Chain D: V.47, G.48 Ligands: BA.2, K.3, BA.6, K.7, BA.10, K.11, BA.14 No protein-ligand interaction detected (PLIP) K.16: 3 residues within 4Å: Ligands: K.4, K.8, K.12 No protein-ligand interaction detected (PLIP)

4 x BA: BARIUM ION(Non-covalent)

BA.2: 19 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, K.3, K.5, BA.6, K.7, K.9, BA.10, K.11, K.13, BA.14, K.15 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C, 2 interactions with chain A Metal complexes: D:V.47, B:V.47, C:V.47, A:T.46, A:V.47 BA.6: 19 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, BA.2, K.3, K.5, K.7, K.9, BA.10, K.11, K.13, BA.14, K.15 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C, 2 interactions with chain A Metal complexes: D:V.47, B:V.47, C:V.47, A:T.46, A:V.47 BA.10: 19 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, BA.2, K.3, K.5, BA.6, K.7, K.9, K.11, K.13, BA.14, K.15 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C, 2 interactions with chain A Metal complexes: D:V.47, B:V.47, C:V.47, A:T.46, A:V.47 BA.14: 19 residues within 4Å: Chain A: T.46, V.47 Chain B: T.46, V.47 Chain C: T.46, V.47 Chain D: T.46, V.47 Ligands: K.1, BA.2, K.3, K.5, BA.6, K.7, K.9, BA.10, K.11, K.13, K.15 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C, 2 interactions with chain A Metal complexes: D:V.47, B:V.47, C:V.47, A:T.46, A:V.47

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lam, Y.L. et al., Structural implications of weak Ca2+ block in Drosophila cyclic nucleotide-gated channels. J.Gen.Physiol. (2015)

Release Date

2015-07-29

Peptides

Potassium channel protein: 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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Potassium channel protein

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