5Y0Z

Human SIRT2 in complex with a specific inhibitor, NPD11033


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.210 
  • R-Value Observed: 0.212 

wwPDB Validation   3D Report Full Report


This is version 1.0 of the entry. See complete history


Literature

Identification of a novel small molecule that inhibits deacetylase but not defatty-acylase reaction catalysed by SIRT2.

Kudo, N.Ito, A.Arata, M.Nakata, A.Yoshida, M.

(2018) Philos Trans R Soc Lond B Biol Sci 373

  • DOI: 10.1098/rstb.2017.0070
  • Primary Citation of Related Structures:  
    5Y0Z

  • PubMed Abstract: 
  • SIRT2 is a member of the human sirtuin family of proteins and possesses NAD + -dependent lysine deacetylase/deacylase activity. SIRT2 has been implicated in carcinogenesis in various cancers including leukaemia and is considered an attractive target for cancer therapy ...

    SIRT2 is a member of the human sirtuin family of proteins and possesses NAD + -dependent lysine deacetylase/deacylase activity. SIRT2 has been implicated in carcinogenesis in various cancers including leukaemia and is considered an attractive target for cancer therapy. Here, we identified NPD11033, a selective small-molecule SIRT2 inhibitor, by a high-throughput screen using the RIKEN NPDepo chemical library. NPD11033 was largely inactive against other sirtuins and zinc-dependent deacetylases. Crystallographic analysis revealed a unique mode of action, in which NPD11033 creates a hydrophobic cavity behind the substrate-binding pocket after a conformational change of the Zn-binding small domain of SIRT2. Furthermore, it forms a hydrogen bond to the active site histidine residue. In addition, NPD11033 inhibited cell growth of human pancreatic cancer PANC-1 cells with a concomitant increase in the acetylation of eukaryotic translation initiation factor 5A, a physiological substrate of SIRT2. Importantly, NPD11033 failed to inhibit defatty-acylase activity of SIRT2, despite its potent inhibitory effect on its deacetylase activity. Thus, NPD11033 will serve as a useful tool for both developing novel anti-cancer agents and elucidating the role of SIRT2 in various cellular biological processes.This article is part of a discussion meeting issue 'Frontiers in epigenetic chemical biology'.


    Organizational Affiliation

    Department of Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi, Tokyo 113-8657, Japan.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
NAD-dependent protein deacetylase sirtuin-2A, B293Homo sapiensMutation(s): 0 
Gene Names: SIRT2SIR2LSIR2L2
EC: 3.5.1 (PDB Primary Data), 2.3.1.286 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q8IXJ6 (Homo sapiens)
Explore Q8IXJ6 
Go to UniProtKB:  Q8IXJ6
PHAROS:  Q8IXJ6
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
8K9
Query on 8K9

Download Ideal Coordinates CCD File 
D [auth A], F [auth B](1~{R},9~{S})-11-[(2~{R})-3-[2,4-bis(2-methylbutan-2-yl)phenoxy]-2-oxidanyl-propyl]-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-6-one
C30 H44 N2 O3
ITCUJNFERKWPKY-WMTXJRDZSA-N
 Ligand Interaction
ZN
Query on ZN

Download Ideal Coordinates CCD File 
C [auth A], E [auth B]ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
8K9IC50:  460   nM  Binding MOAD
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.210 
  • R-Value Observed: 0.212 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 34.987α = 90
b = 115.685β = 89.99
c = 71.055γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Japan Society for the Promotion of ScienceJapan26221204
Japan Society for the Promotion of ScienceJapan16K14674

Revision History  (Full details and data files)

  • Version 1.0: 2018-07-25
    Type: Initial release