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Cryo-EM structure of the potassium-selective channelrhodopsin HcKCR1 H225F mutant in lipid nanodisc

Electron Microscopy
2.66Å resolution
PDB entry 8iu0 coloured by chain, front view.
PDB entry 8iu0 coloured by chain, side view.
PDB entry 8iu0 coloured by chain, top view.
Source organism: Hyphochytrium catenoides
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Hckcr1
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Multimeric state: homo trimer
Accessible surface area: 29310.91 Å2
Buried surface area: 30449.1 Å2
Dissociation area: 6,568.58 Å2
Dissociation energy (ΔGdiss): -14.76 kcal/mol
Dissociation entropy (TΔSdiss): 28.69 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-227826

Macromolecules

HcKCR1
Chain: A
Length: 273 amino acids
Theoretical weight: 31.41 KDa
Source organism: Hyphochytrium catenoides
Expression system: Spodoptera frugiperda
HcKCR1 in PDB entry 8iu0, assembly 1, front view.
HcKCR1 in PDB entry 8iu0, assembly 1, side view.
HcKCR1 in PDB entry 8iu0, assembly 1, top view.
127320406080100120140160180200220240260
 
100200GPMPFYDSRPPEGWPKGSINDMDYPLLGSICAVCCVFVAGSGIWMLYRLDLGMGYSCKPYKSGRAPEVNSLSGIICLLCGTMYAAKSFDFFDGGGTPFSLNWYWYLDYVFTCPLLILDFAFTLDLPHKIRYFFAVFLTLWCGVAAFVTPSAYRFAYYALGCCWFTPFALSLMRHVKERYLVYPPKCQRWLFWACVIFFGFWPMFPILFIFSWLGTGHISQQAFYIIFAFLDLTCKSIFGILMTVFRLELEEHTEVQGLPLNEPETLSLEVLFQ
Chains
Chain A (auth A)
Domains
Secondary structure
Ligand binding sites
Sequence conservation
Molecule details ›

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