8CIA

Crystal structure of the kelch domain of human KLHL20

• PDB DOI: https://doi.org/10.2210/pdb8CIA/pdb

• Classification: LIGASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2023-02-09 Released: 2023-03-22 
• Deposition Author(s): Sweeney, M.N., Bradshaw, W.J., Chen, Z., Bullock, A.N.
• Funding Organization(s): Innovative Medicines Initiative

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.72 Å
• R-Value Free: 0.287 
• R-Value Work: 0.226 
• R-Value Observed: 0.229 

Literature

Crystal structure of the kelch domain of human KLHL20

Sweeney, M.N., Bradshaw, W.J., Chen, Z., Bullock, A.N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 5 assigned by authors.

Macromolecule Content

• Total Structure Weight: 166.61 kDa 
• Atom Count: 10,843 
• Modelled Residue Count: 1,429 
• Deposited Residue Count: 1,535 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kelch-like protein 20	A, C, D	307	Homo sapiens	Mutation(s): 5  Gene Names: KLHL20, KLEIP, KLHLX
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y2M5 (Homo sapiens) Explore Q9Y2M5  Go to UniProtKB:  Q9Y2M5
PHAROS:  Q9Y2M5 GTEx:  ENSG00000076321

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Kelch like family member 20	B	307	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y2M5 (Homo sapiens) Explore Q9Y2M5  Go to UniProtKB:  Q9Y2M5
PHAROS:  Q9Y2M5 GTEx:  ENSG00000076321

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Kelch like family member 20	E	307	Homo sapiens	Mutation(s): 0  Gene Names: KLHL20
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y2M5 (Homo sapiens) Explore Q9Y2M5  Go to UniProtKB:  Q9Y2M5
PHAROS:  Q9Y2M5 GTEx:  ENSG00000076321

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.72 Å
• R-Value Free: 0.287 
• R-Value Work: 0.226 
• R-Value Observed: 0.229 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 152.928	α = 90
b = 152.928	β = 90
c = 195.819	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data reduction
autoPROC	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-03-22 
Deposition Author(s): Sweeney, M.N., Bradshaw, W.J., Chen, Z., Bullock, A.N.

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Funding Organization	Location	Grant Number
Innovative Medicines Initiative	Switzerland	875510

Revision History  

• Version 1.0: 2023-03-22
  Type: Initial release