9JCU | pdb_00009jcu

Compound bound to ROCK2 kinase domain

• PDB DOI: https://doi.org/10.2210/pdb9JCU/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2024-08-30 Released: 2025-09-03 
• Deposition Author(s): Yan, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.02 Å
• R-Value Free: 
  0.220 (Depositor), 0.231 (DCC) 
• R-Value Work: 
  0.184 (Depositor), 0.203 (DCC) 
• R-Value Observed: 
  0.186 (Depositor) 

Starting Model: in silico

Literature

Structure of compound bound to ROCK2 kinase domain

Yan, H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: NMR Distance Restraints

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 179.55 kDa 
• Atom Count: 12,524 
• Modeled Residue Count: 1,554 
• Deposited Residue Count: 1,564 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Rho-associated protein kinase 2	A, B, C, D	391	Homo sapiens	Mutation(s): 0  Gene Names: ROCK2, KIAA0619 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O75116 (Homo sapiens) Explore O75116  Go to UniProtKB:  O75116
PHAROS:  O75116 GTEx:  ENSG00000134318

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.02 Å
• R-Value Free:  0.220 (Depositor), 0.231 (DCC) 
• R-Value Work:  0.184 (Depositor), 0.203 (DCC) 
• R-Value Observed: 0.186 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 147.114	α = 90
b = 144.409	β = 90
c = 134.523	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-09-03 
Deposition Author(s): Yan, H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82003102

Revision History  

• Version 1.0: 2025-09-03
  Type: Initial release
  
• Version 2.0: 2025-11-12
  Type: Coordinate replacement
  Reason: Model completeness
  Changes: Atomic model, Author supporting evidence, Data collection, Database references, Derived calculations, Non-polymer description, Other, Refinement description, Source and taxonomy, Structure summary, Version format compliance
• Version 2.1: 2025-11-26
  Changes: Data collection