9ND3 | pdb_00009nd3

JAK2 pseudokinase domain in complex with diaminotriazole inhibitor

PDB DOI: https://doi.org/10.2210/pdb9ND3/pdb

Classification: TRANSFERASE/TRANSFERASE INHIBITOR
Organism(s): Homo sapiens
Expression System: Spodoptera frugiperda
Mutation(s): No

Deposited: 2025-02-17 Released: 2025-11-05
Deposition Author(s): Primi, M.C., Eck, M.J.
Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.62 Å
R-Value Free:
0.220 (Depositor), 0.221 (DCC)
R-Value Work:
0.187 (Depositor), 0.190 (DCC)
R-Value Observed:
0.189 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 2.0 of the entry. See complete history.

Literature

JAK2 pseudokinase domain in complex with diaminotriazole inhibitor

Primi, M.C., Eck, M.J.

To be published.

Macromolecule Content

Total Structure Weight: 33.29 kDa
Atom Count: 2,513
Modeled Residue Count: 273
Deposited Residue Count: 283
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tyrosine-protein kinase JAK2	A	283	Homo sapiens	Mutation(s): 0 Gene Names: JAK2 EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for O60674 (Homo sapiens) Explore O60674 Go to UniProtKB: O60674
PHAROS: O60674 GTEx: ENSG00000096968
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	O60674
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1BW6 (Subject of Investigation/LOI) Query on A1BW6 Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	N-[(1r,4r)-4-{3-[5-amino-3-(4-sulfamoylanilino)-1H-1,2,4-triazole-1-carbonyl]-2,4-difluorophenyl}cyclohexyl]prop-2-enamide C₂₄ H₂₅ F₂ N₇ O₄ S VCGXFVJENSAIDN-HDJSIYSDSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.62 Å
R-Value Free: 0.220 (Depositor), 0.221 (DCC)
R-Value Work: 0.187 (Depositor), 0.190 (DCC)
R-Value Observed: 0.189 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.374	α = 90
b = 56.929	β = 90
c = 114.87	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2025-11-05

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	5R35CA242461-06

Revision History (Full details and data files)

Version 1.0: 2025-11-05
Type: Initial release
Version 2.0: 2025-11-12
Changes: Atomic model

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.