6RSE

Structure based optimization of JAK1-ATP binding pocket Inhibitors in the aminopyrazole class

• PDB DOI: https://doi.org/10.2210/pdb6RSE/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera aff. frugiperda 1 BOLD-2017
• Mutation(s): No 


• Deposited: 2019-05-21 Released: 2020-07-08 
• Deposition Author(s): Brown, D.G., Lupardus, P.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.303 
• R-Value Work: 0.263 
• R-Value Observed: 0.265 

Literature

Structure based optimization of JAK1-ATP binding pocket Inhibitors in the aminopyrazole class

Zak, M., Gibbons, P., Brown, D.G.

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.

Macromolecule Content

• Total Structure Weight: 70.44 kDa 
• Atom Count: 5,000 
• Modelled Residue Count: 567 
• Deposited Residue Count: 604 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tyrosine-protein kinase JAK1	A, B	302	Homo sapiens	Mutation(s): 0  Gene Names: JAK1, JAK1A, JAK1B EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for P23458 (Homo sapiens) Explore P23458  Go to UniProtKB:  P23458
PHAROS:  P23458 GTEx:  ENSG00000162434

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
KHH (Subject of Investigation/LOI)	C [auth A], D [auth B]	methyl ~{N}-[4-aminocarbonyl-1-[(3~{R},4~{R})-4-(cyanomethyl)-1-[(4-ethenyl-2-fluoranyl-5-oxidanyl-phenyl)methyl]-3-fluoranyl-piperidin-4-yl]pyrazol-3-yl]carbamate C22 H24 F2 N6 O4 KNQPQNPPLBJXJR-GCJKJVERSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
PTR	A, B	L-PEPTIDE LINKING	C9 H12 N O6 P		TYR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.303 
• R-Value Work: 0.263 
• R-Value Observed: 0.265 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.89	α = 90
b = 88.96	β = 90
c = 173.81	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-07-08 
Deposition Author(s): Brown, D.G., Lupardus, P.J.

Revision History  

• Version 1.0: 2020-07-08
  Type: Initial release