SMTL ID : 2nz0.1 (1 other biounit)

Crystal structure of potassium channel Kv4.3 in complex with its regulatory subunit KChIP1

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

hetero-4-4-mer

Ligands

8 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.99, N.101, Y.105, N.107, E.110 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:Y.105, A:E.110 CA.2: 5 residues within 4Å: Chain A: D.147, N.149, D.151, I.153, E.158 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.151, A:I.153 CA.4: 6 residues within 4Å: Chain C: D.99, N.101, D.103, Y.105, N.107, E.110 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:Y.105, C:E.110 CA.5: 5 residues within 4Å: Chain C: D.147, N.149, D.151, I.153, E.158 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:I.153, C:E.158 CA.7: 5 residues within 4Å: Chain E: D.99, N.101, Y.105, N.107, E.110 2 PLIP interactions: 2 interactions with chain E Metal complexes: E:Y.105, E:E.110 CA.8: 5 residues within 4Å: Chain E: D.147, N.149, D.151, I.153, E.158 2 PLIP interactions: 2 interactions with chain E Metal complexes: E:D.151, E:I.153 CA.10: 6 residues within 4Å: Chain G: D.99, N.101, D.103, Y.105, N.107, E.110 2 PLIP interactions: 2 interactions with chain G Metal complexes: G:Y.105, G:E.110 CA.11: 5 residues within 4Å: Chain G: D.147, N.149, D.151, I.153, E.158 2 PLIP interactions: 2 interactions with chain G Metal complexes: G:I.153, G:E.158

4 x ZN: ZINC ION(Non-covalent)

ZN.3: 4 residues within 4Å: Chain B: H.99, C.126, C.127 Chain D: C.105 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain D Metal complexes: B:H.99, B:C.126, B:C.127, D:C.105 ZN.6: 4 residues within 4Å: Chain D: H.99, C.126, C.127 Chain F: C.105 4 PLIP interactions: 1 interactions with chain F, 3 interactions with chain D Metal complexes: F:C.105, D:H.99, D:C.126, D:C.127 ZN.9: 4 residues within 4Å: Chain F: H.99, C.126, C.127 Chain H: C.105 4 PLIP interactions: 3 interactions with chain F, 1 interactions with chain H Metal complexes: F:H.99, F:C.126, F:C.127, H:C.105 ZN.12: 4 residues within 4Å: Chain B: C.105 Chain H: H.99, C.126, C.127 4 PLIP interactions: 3 interactions with chain H, 1 interactions with chain B Metal complexes: H:H.99, H:C.126, H:C.127, B:C.105

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, H. et al., Structural basis for modulation of Kv4 K(+) channels by auxiliary KChIP subunits. Nat.Neurosci. (2007)

Release Date

2006-12-26

Peptides

Kv channel-interacting protein 1: ACEG
Potassium voltage-gated channel subfamily D member 3: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

E
A

G
C

B
B

D
D

F
B

H
D

Kv channel-interacting protein 1

Potassium voltage-gated channel subfamily D member 3

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