SMTL ID : 2i2r.1 (2 other biounits)

Crystal structure of the KChIP1/Kv4.3 T1 complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.35 Å

Oligo State

hetero-4-4-mer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.105, C.132, C.133 Chain B: C.111 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Metal complexes: A:H.105, A:C.132, A:C.133, B:C.111 ZN.2: 4 residues within 4Å: Chain B: H.105, C.132, C.133 Chain C: C.111 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain C Metal complexes: B:H.105, B:C.132, B:C.133, C:C.111 ZN.3: 4 residues within 4Å: Chain C: H.105, C.132, C.133 Chain D: C.111 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain D Metal complexes: C:H.105, C:C.132, C:C.133, D:C.111 ZN.4: 4 residues within 4Å: Chain A: C.111 Chain D: H.105, C.132, C.133 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain D Metal complexes: A:C.111, D:H.105, D:C.132, D:C.133

8 x CA: CALCIUM ION(Non-covalent)

CA.5: 5 residues within 4Å: Chain E: D.99, N.101, D.103, Y.105, E.110 5 PLIP interactions: 5 interactions with chain E Metal complexes: E:D.99, E:D.103, E:D.103, E:Y.105, E:E.110 CA.6: 5 residues within 4Å: Chain E: D.147, N.149, D.151, I.153, E.158 5 PLIP interactions: 5 interactions with chain E Metal complexes: E:D.147, E:D.151, E:I.153, E:E.158, E:E.158 CA.8: 5 residues within 4Å: Chain F: D.99, N.101, D.103, Y.105, E.110 4 PLIP interactions: 4 interactions with chain F Metal complexes: F:D.99, F:D.103, F:Y.105, F:E.110 CA.9: 5 residues within 4Å: Chain F: D.147, N.149, D.151, I.153, E.158 5 PLIP interactions: 5 interactions with chain F Metal complexes: F:D.147, F:D.151, F:I.153, F:E.158, F:E.158 CA.11: 5 residues within 4Å: Chain G: D.99, N.101, D.103, Y.105, E.110 4 PLIP interactions: 4 interactions with chain G Metal complexes: G:D.99, G:D.103, G:Y.105, G:E.110 CA.12: 5 residues within 4Å: Chain G: D.147, N.149, D.151, I.153, E.158 4 PLIP interactions: 4 interactions with chain G Metal complexes: G:D.147, G:D.151, G:I.153, G:E.158 CA.14: 5 residues within 4Å: Chain H: D.99, N.101, D.103, Y.105, E.110 5 PLIP interactions: 5 interactions with chain H Metal complexes: H:D.99, H:D.103, H:Y.105, H:E.110, H:E.110 CA.15: 5 residues within 4Å: Chain H: D.147, N.149, D.151, I.153, E.158 3 PLIP interactions: 3 interactions with chain H Metal complexes: H:D.151, H:I.153, H:E.158

4 x NA: SODIUM ION(Non-functional Binders)

NA.7: 4 residues within 4Å: Chain E: E.7, T.10, N.11, F.12 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:E.7 NA.10: 3 residues within 4Å: Chain F: E.7, T.10, F.12 1 PLIP interactions: 1 interactions with chain F Hydrogen bonds: F:T.10 NA.13: 4 residues within 4Å: Chain G: E.7, T.10, N.11, F.12 1 PLIP interactions: 1 interactions with chain G Hydrogen bonds: G:T.10 NA.16: 4 residues within 4Å: Chain H: E.7, T.10, N.11, F.12 1 PLIP interactions: 1 interactions with chain H Hydrogen bonds: H:F.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pioletti, M. et al., Three-dimensional structure of the KChIP1-Kv4.3 T1 complex reveals a cross-shaped octamer. Nat.Struct.Mol.Biol. (2006)

Release Date

2006-10-24

Peptides

Potassium voltage-gated channel subfamily D member 3: ABCD
Kv channel-interacting protein 1: EFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

Potassium voltage-gated channel subfamily D member 3

Kv channel-interacting protein 1

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