4FJV

Crystal Structure of Human Otubain2 and Ubiquitin Complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.047 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.206 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

The human otubain2-ubiquitin structure provides insights into the cleavage specificity of poly-ubiquitin-linkages.

Altun, M.Walter, T.S.Kramer, H.B.Herr, P.Iphofer, A.Bostrom, J.David, Y.Komsany, A.Ternette, N.Navon, A.Stuart, D.I.Ren, J.Kessler, B.M.

(2015) Plos One 10: e0115344-e0115344

  • DOI: 10.1371/journal.pone.0115344

  • PubMed Abstract: 
  • Ovarian tumor domain containing proteases cleave ubiquitin (Ub) and ubiquitin-like polypeptides from proteins. Here we report the crystal structure of human otubain 2 (OTUB2) in complex with a ubiquitin-based covalent inhibitor, Ub-Br2. The ubiquitin ...

    Ovarian tumor domain containing proteases cleave ubiquitin (Ub) and ubiquitin-like polypeptides from proteins. Here we report the crystal structure of human otubain 2 (OTUB2) in complex with a ubiquitin-based covalent inhibitor, Ub-Br2. The ubiquitin binding mode is oriented differently to how viral otubains (vOTUs) bind ubiquitin/ISG15, and more similar to yeast and mammalian OTUs. In contrast to OTUB1 which has exclusive specificity towards Lys48 poly-ubiquitin chains, OTUB2 cleaves different poly-Ub linked chains. N-terminal tail swapping experiments between OTUB1 and OTUB2 revealed how the N-terminal structural motifs in OTUB1 contribute to modulating enzyme activity and Ub-chain selectivity, a trait not observed in OTUB2, supporting the notion that OTUB2 may affect a different spectrum of substrates in Ub-dependent pathways.


    Organizational Affiliation

    Target Discovery Institute, Nuffield Department of Medicine, Roosevelt Drive, University of Oxford, Oxford, OX3 7FZ, United Kingdom; Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 21 Stockholm, Sweden.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Ubiquitin thioesterase OTUB2
A, C
237Homo sapiensMutation(s): 0 
Gene Names: OTUB2 (C14orf137, OTB2, OTU2)
EC: 3.4.19.12
Find proteins for Q96DC9 (Homo sapiens)
Go to Gene View: OTUB2
Go to UniProtKB:  Q96DC9
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Polyubiquitin-C
B, D
86Homo sapiensMutation(s): 0 
Gene Names: UBC
Find proteins for P0CG48 (Homo sapiens)
Go to Gene View: UBC
Go to UniProtKB:  P0CG48
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GOL
Query on GOL

Download SDF File 
Download CCD File 
A, C
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
NEH
Query on NEH

Download SDF File 
Download CCD File 
B, D
ETHANAMINE
C2 H7 N
QUSNBJAOOMFDIB-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.047 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.206 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 54.063α = 90.00
b = 76.825β = 90.00
c = 198.847γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
HKL-2000data reduction
MOLREPphasing
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-06-12
    Type: Initial release
  • Version 1.1: 2015-02-25
    Type: Database references