2Y6E

Structure of the D1D2 domain of USP4, the conserved catalytic domain


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.210 
  • R-Value Work: 0.178 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

The Dusp-Ubl Domain of Usp4 Enhances its Catalytic Efficiency by Promoting Ubiquitin Exchange.

Clerici, M.Luna-Vargas, M.P.A.Faesen, A.C.Sixma, T.K.

(2014) Nat.Commun. 5: 5399

  • DOI: 10.1038/ncomms6399

  • PubMed Abstract: 
  • Ubiquitin-specific protease USP4 is emerging as an important regulator of cellular pathways, including the TGF-β response, NF-κB signalling and splicing, with possible roles in cancer. Here we show that USP4 has its catalytic triad arranged in a prod ...

    Ubiquitin-specific protease USP4 is emerging as an important regulator of cellular pathways, including the TGF-β response, NF-κB signalling and splicing, with possible roles in cancer. Here we show that USP4 has its catalytic triad arranged in a productive conformation. Nevertheless, it requires its N-terminal DUSP-Ubl domain to achieve full catalytic turnover. Pre-steady-state kinetics measurements reveal that USP4 catalytic domain activity is strongly inhibited by slow dissociation of ubiquitin after substrate hydrolysis. The DUSP-Ubl domain is able to enhance ubiquitin dissociation, hence promoting efficient turnover. In a mechanism that requires all USP4 domains, binding of the DUSP-Ubl domain promotes a change of a switching loop near the active site. This 'allosteric regulation of product discharge' provides a novel way of regulating deubiquitinating enzymes that may have relevance for other enzyme classes.


    Organizational Affiliation

    Department of Biochemistry, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
UBIQUITIN CARBOXYL-TERMINAL HYDROLASE 4
A, B, C, D, E, F
367Homo sapiensMutation(s): 0 
Gene Names: USP4 (UNP, UNPH)
EC: 3.4.19.12
Find proteins for Q13107 (Homo sapiens)
Go to Gene View: USP4
Go to UniProtKB:  Q13107
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download SDF File 
Download CCD File 
A, B, C, D, E, F
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
SO4
Query on SO4

Download SDF File 
Download CCD File 
A, C
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
CME
Query on CME
A, B, C, D, E, F
L-PEPTIDE LINKINGC5 H11 N O3 S2CYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.210 
  • R-Value Work: 0.178 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 110.500α = 90.00
b = 151.030β = 90.00
c = 178.670γ = 90.00
Software Package:
Software NamePurpose
SCALAdata scaling
PHASERphasing
BUSTERrefinement
MOSFLMdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-04-06
    Type: Initial release
  • Version 1.1: 2014-01-22
    Type: Database references, Refinement description, Version format compliance
  • Version 1.2: 2014-10-22
    Type: Database references
  • Version 1.3: 2014-12-03
    Type: Database references, Structure summary