SMTL ID : 6d42.2 (1 other biounit)

Crystal structure of the KCa3.1 C-terminal four-helix bundle (with copper)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-tetramer

Ligands

4 x CU: COPPER (II) ION(Non-covalent)

CU.1: 7 residues within 4Å: Chain A: H.16 Chain B: H.16 Chain C: H.16 Chain D: H.16 Ligands: CU.2, CU.3, CU.4 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain A, 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: B:H.16, D:H.16, A:H.16, C:H.16, H2O.1 CU.2: 7 residues within 4Å: Chain A: H.16 Chain B: H.16 Chain C: H.16 Chain D: H.16 Ligands: CU.1, CU.3, CU.4 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain A, 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: B:H.16, D:H.16, A:H.16, C:H.16, H2O.1 CU.3: 7 residues within 4Å: Chain A: H.16 Chain B: H.16 Chain C: H.16 Chain D: H.16 Ligands: CU.1, CU.2, CU.4 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain A, 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: B:H.16, D:H.16, A:H.16, C:H.16, H2O.1 CU.4: 7 residues within 4Å: Chain A: H.16 Chain B: H.16 Chain C: H.16 Chain D: H.16 Ligands: CU.1, CU.2, CU.3 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain A, 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: B:H.16, D:H.16, A:H.16, C:H.16, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ji, T. et al., Crystal structure of the C-terminal four-helix bundle of the potassium channel KCa3.1. PLoS ONE (2018)

Release Date

2018-07-11

Peptides

Intermediate conductance calcium-activated potassium channel protein 4: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

C
B

D
B

Intermediate conductance calcium-activated potassium channel protein 4

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