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Crystal structure of the KCA3.1 C-terminal four-helix bundle (with copper)

Analyse Crystal structure of the KCA3.1 C-terminal four-helix bundle (with copper) in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 6D42
Type: protein
Length: 78 residues
Chains: 2
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Intermediate conductance calcium-activated potassium channel protein 4
UniProt: O15554
Ligands: CU

Structure

x-ray diffraction · 1 distinct chain · 92% helix, 0% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, B	Intermediate conductance calcium-activated potassium channel protein 4	protein	39	92% helix, 0% strand	O15554

Ligands and binding sites

CU · Copper (II) ion · metal · 2 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Interfaces

1 interface between chains.

A–B · 100 Å² buried · 1 hydrogen bond · protein-protein

Modifications

Observed in the structure: 2 modified (engineered).

Compared structures

6D42 · Crystal structure of the KCa3.1 C-terminal four-helix bundle (with copper) · the same entry in another collection · chain A against A, TM-score 1.00
O15554 · AlphaFold monomer V2.0 prediction for intermediate conductance calcium-activated… · a predicted model of the same protein · chain A against A, TM-score 0.91

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt O15554
Elsewhere: RCSB PDB 6D42 · PDBe 6D42 · UniProt O15554

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