SMTL ID : 4gx2.2 (1 other biounit)

GsuK channel bound to NAD

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

homo-tetramer

Ligands

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

K.1: 13 residues within 4Å: Chain A: T.65, L.66 Chain B: T.65, L.66 Chain C: T.65, L.66 Chain D: T.65, L.66 Ligands: K.2, K.11, K.14, K.15, K.24 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A, 1 interactions with chain C Metal complexes: D:T.65, B:T.65, A:T.65, C:T.65 K.2: 13 residues within 4Å: Chain A: L.66, G.67 Chain B: L.66, G.67 Chain C: L.66, G.67 Chain D: L.66, G.67 Ligands: K.1, K.3, K.14, K.15, K.16 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain D Metal complexes: B:L.66, B:G.67, D:L.66, D:G.67 K.3: 11 residues within 4Å: Chain A: G.67, F.68 Chain B: G.67, F.68 Chain C: G.67, F.68 Chain D: G.67, F.68 Ligands: K.2, K.15, K.16 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain C Metal complexes: A:G.67, C:G.67 K.4: 3 residues within 4Å: Chain B: F.68 Chain D: F.68 Ligands: K.17 No protein-ligand interaction detected (PLIP) K.5: 1 residues within 4Å: Ligands: K.18 No protein-ligand interaction detected (PLIP) K.11: 7 residues within 4Å: Chain A: T.65 Chain B: T.65 Chain C: T.65 Chain D: T.65 Ligands: K.1, K.14, K.24 No protein-ligand interaction detected (PLIP) K.14: 13 residues within 4Å: Chain A: T.65, L.66 Chain B: T.65, L.66 Chain C: T.65, L.66 Chain D: T.65, L.66 Ligands: K.1, K.2, K.11, K.15, K.24 4 PLIP interactions: 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A, 1 interactions with chain C Metal complexes: D:T.65, B:T.65, A:T.65, C:T.65 K.15: 13 residues within 4Å: Chain A: L.66, G.67 Chain B: L.66, G.67 Chain C: L.66, G.67 Chain D: L.66, G.67 Ligands: K.1, K.2, K.3, K.14, K.16 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain D Metal complexes: B:L.66, B:G.67, D:L.66, D:G.67 K.16: 11 residues within 4Å: Chain A: G.67, F.68 Chain B: G.67, F.68 Chain C: G.67, F.68 Chain D: G.67, F.68 Ligands: K.2, K.3, K.15 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain C Metal complexes: A:G.67, C:G.67 K.17: 3 residues within 4Å: Chain B: F.68 Chain D: F.68 Ligands: K.4 No protein-ligand interaction detected (PLIP) K.18: 1 residues within 4Å: Ligands: K.5 No protein-ligand interaction detected (PLIP) K.24: 7 residues within 4Å: Chain A: T.65 Chain B: T.65 Chain C: T.65 Chain D: T.65 Ligands: K.1, K.11, K.14 No protein-ligand interaction detected (PLIP)

4 x ZN: ZINC ION(Non-covalent)

ZN.6: 4 residues within 4Å: Chain A: H.356, C.361, C.385, H.388 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.356, A:C.361, A:C.385, A:H.388 ZN.12: 4 residues within 4Å: Chain B: H.356, C.361, C.385, H.388 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:H.356, B:C.361, B:C.385, B:H.388 ZN.19: 4 residues within 4Å: Chain C: H.356, C.361, C.385, H.388 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:H.356, C:C.361, C:C.385, C:H.388 ZN.25: 4 residues within 4Å: Chain D: H.356, C.361, C.385, H.388 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:H.356, D:C.361, D:C.385, D:H.388

4 x CA: CALCIUM ION(Non-covalent)

CA.7: 6 residues within 4Å: Chain A: T.180, N.207, T.211 Chain D: E.446, N.447, Q.450 No protein-ligand interaction detected (PLIP) CA.8: 6 residues within 4Å: Chain A: E.446, N.447, Q.450 Chain B: T.180, N.207, T.211 No protein-ligand interaction detected (PLIP) CA.20: 6 residues within 4Å: Chain B: E.446, N.447, Q.450 Chain C: T.180, N.207, T.211 No protein-ligand interaction detected (PLIP) CA.21: 6 residues within 4Å: Chain C: E.446, N.447, Q.450 Chain D: T.180, N.207, T.211 No protein-ligand interaction detected (PLIP)

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.9: 5 residues within 4Å: Chain A: Y.251, R.255, W.306, F.458, V.465 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.255 PO4.22: 5 residues within 4Å: Chain C: Y.251, R.255, W.306, F.458, V.465 1 PLIP interactions: 1 interactions with chain C Salt bridges: C:R.255

4 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.10: 24 residues within 4Å: Chain A: V.223, V.224, K.225, E.226, P.227, P.243, L.244, T.245, R.246, G.355, H.356, G.357, R.358, D.378, R.379, Q.380, G.393, D.394, A.395, T.396, T.415, T.416, N.417, R.441 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:V.223, A:L.244, A:T.245 Hydrogen bonds: A:K.225, A:T.245, A:R.246, A:H.356, A:H.356, A:G.357, A:R.358, A:R.358, A:R.358, A:R.379, A:Q.380, A:Q.380, A:A.395, A:T.396, A:T.415 Salt bridges: A:R.441 pi-Cation interactions: A:R.379 NAD.13: 24 residues within 4Å: Chain B: V.223, V.224, K.225, E.226, P.227, P.243, L.244, T.245, R.246, G.355, H.356, G.357, R.358, I.359, D.378, R.379, Q.380, A.395, T.396, T.415, T.416, N.417, T.421, R.441 20 PLIP interactions: 20 interactions with chain B Hydrophobic interactions: B:V.223, B:L.244, B:T.245 Hydrogen bonds: B:K.225, B:T.245, B:R.246, B:H.356, B:G.357, B:R.358, B:R.358, B:I.359, B:G.360, B:R.379, B:Q.380, B:A.395, B:T.396, B:T.396, B:T.415 Salt bridges: B:R.441, B:R.441 NAD.23: 24 residues within 4Å: Chain C: V.223, V.224, K.225, E.226, P.227, P.243, L.244, T.245, R.246, G.355, H.356, G.357, R.358, D.378, R.379, Q.380, G.393, D.394, A.395, T.396, T.415, T.416, N.417, R.441 23 PLIP interactions: 23 interactions with chain C Hydrophobic interactions: C:V.223, C:L.244, C:T.245 Hydrogen bonds: C:K.225, C:T.245, C:R.246, C:H.356, C:H.356, C:G.357, C:R.358, C:R.358, C:R.358, C:D.378, C:R.379, C:Q.380, C:Q.380, C:D.394, C:A.395, C:T.396, C:T.396, C:T.415 Salt bridges: C:R.441 pi-Cation interactions: C:R.379 NAD.26: 24 residues within 4Å: Chain D: V.223, V.224, K.225, E.226, P.227, P.243, L.244, T.245, R.246, G.355, H.356, G.357, R.358, I.359, D.378, R.379, Q.380, A.395, T.396, T.415, T.416, N.417, T.421, R.441 20 PLIP interactions: 20 interactions with chain D Hydrophobic interactions: D:V.223, D:L.244, D:T.245 Hydrogen bonds: D:K.225, D:T.245, D:R.246, D:H.356, D:G.357, D:R.358, D:R.358, D:I.359, D:G.360, D:D.378, D:R.379, D:Q.380, D:A.395, D:T.396, D:T.415 Salt bridges: D:R.441, D:R.441

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kong, C. et al., Distinct gating mechanisms revealed by the structures of a multi-ligand gated K(+) channel. elife (2012)

Release Date

2012-12-26

Peptides

TrkA domain protein: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
Show / Hide

TrkA domain protein

Related Entries With Identical Sequence