A novel structure-based mechanism for DNA-binding of SATB1

Experimental Data Snapshot

  • Resolution: 2.60 Å
  • R-Value Free: 0.271 
  • R-Value Work: 0.228 
  • R-Value Observed: 0.230 

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Crystal structure of the ubiquitin-like domain-CUT repeat-like tandem of special AT-rich sequence binding protein 1 (SATB1) reveals a coordinating DNA-binding mechanism.

Wang, Z.Yang, X.Guo, S.Yang, Y.Su, X.C.Shen, Y.Long, J.

(2014) J Biol Chem 289: 27376-27385

  • DOI: https://doi.org/10.1074/jbc.M114.562314
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    SATB1 is essential for T-cell development and growth and metastasis of multitype tumors and acts as a global chromatin organizer and gene expression regulator. The DNA binding ability of SATB1 plays vital roles in its various biological functions. We report the crystal structure of the N-terminal module of SATB1. Interestingly, this module contains a ubiquitin-like domain (ULD) and a CUT repeat-like (CUTL) domain (ULD-CUTL tandem). Detailed biochemical experiments indicate that the N terminus of SATB1 (residues 1-248, SATB1((1-248))), including the extreme 70 N-terminal amino acids, and the ULD-CUTL tandem bind specifically to DNA targets. Our results show that the DNA binding ability of full-length SATB1 requires the contribution of the CUTL domain, as well as the CUT1-CUT2 tandem domain and the homeodomain. These findings may reveal a multiple-domain-coordinated mechanism whereby SATB1 recognizes DNA targets.

  • Organizational Affiliation

    From the State Key Laboratory of Medicinal Chemical Biology, the College of Life Sciences, and.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
DNA-binding protein SATB1
A, B, C, D
180Mus musculusMutation(s): 0 
Gene Names: Satb1
UniProt & NIH Common Fund Data Resources
Find proteins for Q60611 (Mus musculus)
Explore Q60611 
Go to UniProtKB:  Q60611
IMPC:  MGI:105084
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ60611
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 2.60 Å
  • R-Value Free: 0.271 
  • R-Value Work: 0.228 
  • R-Value Observed: 0.230 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 128.978α = 90
b = 91.971β = 128.97
c = 100.239γ = 90
Software Package:
Software NamePurpose
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2015-03-11
    Type: Initial release
  • Version 1.1: 2024-03-20
    Changes: Data collection, Database references