8P08

Crystal structure of human CLK1 in complex with Leucettinib-21

• PDB DOI: https://doi.org/10.2210/pdb8P08/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-05-09 Released: 2023-05-17 
• Deposition Author(s): Kraemer, A., Schroeder, M., Meijer, L., Knapp, S., Structural Genomics Consortium (SGC)
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.260 
• R-Value Work: 0.209 
• R-Value Observed: 0.211 

Literature

Crystal structure of human CLK1 bound in complex with Leucettinib-21

Kraemer, A., Schroeder, M., Meijer, L., Knapp, S., Structural Genomics Consortium (SGC)

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

Macromolecule Content

• Total Structure Weight: 39.94 kDa 
• Atom Count: 2,747 
• Modelled Residue Count: 335 
• Deposited Residue Count: 339 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dual specificity protein kinase CLK1	A	339	Homo sapiens	Mutation(s): 0  Gene Names: CLK1, CLK EC: 2.7.12.1
UniProt & NIH Common Fund Data Resources
Find proteins for P49759 (Homo sapiens) Explore P49759  Go to UniProtKB:  P49759
PHAROS:  P49759 GTEx:  ENSG00000013441

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WAZ (Subject of Investigation/LOI)	B [auth A]	(4~{Z})-4-(1,3-benzothiazol-6-ylmethylidene)-2-[[(2~{R})-1-methoxy-4-methyl-pentan-2-yl]amino]-1~{H}-imidazol-5-one C18 H22 N4 O2 S CHQYAWLKOUOTQO-QVYJARAXSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.260 
• R-Value Work: 0.209 
• R-Value Observed: 0.211 
• Space Group: I 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.482	α = 90
b = 64.442	β = 114.19
c = 88.393	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-17 
Deposition Author(s): Kraemer, A., Schroeder, M., Meijer, L., Knapp, S., Structural Genomics Consortium (SGC)

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-05-17
  Type: Initial release