9KQL | pdb_00009kql

The crystal structure of MORC2_CC3 domain at 3.1 Angstroms resolution

• PDB DOI: https://doi.org/10.2210/pdb9KQL/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2024-11-26 Released: 2025-12-03 
• Deposition Author(s): Zhang, Y.S., Xu, W.Y., Huang, C.D., Wang, C.
• Funding Organization(s): Ministry of Science and Technology (MoST, China)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 
  0.248 (Depositor), 0.246 (DCC) 
• R-Value Work: 
  0.198 (Depositor), 0.197 (DCC) 
• R-Value Observed: 
  0.201 (Depositor) 

Literature

The crystal structure of MORC2_CC3 domain at 3.1 Angstroms resolution

Zhang, Y.S., Xu, W.Y., Huang, C.D., Wang, C.

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: light scattering

Macromolecule Content 

• Total Structure Weight: 24.75 kDa 
• Atom Count: 1,669 
• Modeled Residue Count: 203 
• Deposited Residue Count: 214 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ATPase MORC2	A, B	107	Homo sapiens	Mutation(s): 0  Gene Names: MORC2, KIAA0852, ZCWCC1 EC: 3.6.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y6X9 (Homo sapiens) Explore Q9Y6X9  Go to UniProtKB:  Q9Y6X9
PHAROS:  Q9Y6X9 GTEx:  ENSG00000133422

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free:  0.248 (Depositor), 0.246 (DCC) 
• R-Value Work:  0.198 (Depositor), 0.197 (DCC) 
• R-Value Observed: 0.201 (Depositor) 

Space Group: I 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 130.253	α = 90
b = 130.253	β = 90
c = 40.895	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data scaling
HKL-3000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-12-03 
Deposition Author(s): Zhang, Y.S., Xu, W.Y., Huang, C.D., Wang, C.

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Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	--

Revision History  

• Version 1.0: 2025-12-03
  Type: Initial release