Crystal structure of the KCa3.1 C-terminal four-helix bundle (with copper). Determined by X-ray diffraction at 1.75 Å resolution. Released 11 Jul 2018.
Explore 6D42 in 3D Show helices and sheets RCSB PDB PDBe
6D42 contains 2 α-helices and 0 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 378-413 | 36 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 377-413 | 37 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Intermediate conductance calcium-activated potassium channel protein 4 | A, B | protein | 42 | Homo sapiens | O15554 (AlphaFold model) |
>6D42_1 Intermediate conductance calcium-activated potassium channel protein 4 (chains A, B) GSMILYDLQQNLSSSHRALEKQIDTLAGKLDALTELLSTALG
| ID | Name | Formula | Copies |
|---|---|---|---|
| CU | Copper (II) ion | Cu | 2 |
Crystal structure of the C-terminal four-helix bundle of the potassium channel KCa3.1. Ji, T., Corbalan-Garcia, S., Hubbard, S.R. PLoS One (2018) 13:e0199942-e0199942. DOI 10.1371/journal.pone.0199942 · PubMed
Other PDB entries of the same protein (UniProt O15554 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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