9SNH | pdb_00009snh

CTLH-CRA domain of murine Maea

• PDB DOI: https://doi.org/10.2210/pdb9SNH/pdb

• Classification: LIGASE
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-09-10 Released: 2026-02-18 
• Deposition Author(s): van gen Hassend, P.M., Schindelin, H.
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 
  0.225 (Depositor), 0.224 (DCC) 
• R-Value Work: 
  0.199 (Depositor), 0.199 (DCC) 
• R-Value Observed: 
  0.200 (Depositor) 

Starting Model: in silico

Literature

Engineering CTLH-CRA domains with swapped binding specificity

van gen Hassend, P.M., Schindelin, 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.

Biological Assembly Evidence: light scattering

Biological Assembly 2  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 60.47 kDa 
• Atom Count: 4,664 
• Modeled Residue Count: 500 
• Deposited Residue Count: 504 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
E3 ubiquitin-protein transferase MAEA	A, B, C, D	126	Mus musculus	Mutation(s): 0  Gene Names: Maea, Emp EC: 2.3.2.27
UniProt & NIH Common Fund Data Resources
Find proteins for Q4VC33 (Mus musculus) Explore Q4VC33  Go to UniProtKB:  Q4VC33
IMPC:  MGI:1891748

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free:  0.225 (Depositor), 0.224 (DCC) 
• R-Value Work:  0.199 (Depositor), 0.199 (DCC) 
• R-Value Observed: 0.200 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.075	α = 90
b = 76.181	β = 90
c = 108.149	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
STARANISO	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-02-18 
Deposition Author(s): van gen Hassend, P.M., Schindelin, H.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	GRK2243

Revision History  

• Version 1.0: 2026-02-18
  Type: Initial release