5D7N

Crystal structure of human Sirt3 at an improved resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.203 
  • R-Value Work: 0.175 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Seeding for sirtuins: microseed matrix seeding to obtain crystals of human Sirt3 and Sirt2 suitable for soaking.

Rumpf, T.Gerhardt, S.Einsle, O.Jung, M.

(2015) Acta Crystallogr.,Sect.F 71: 1498-1510

  • DOI: 10.1107/S2053230X15019986
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Sirtuins constitute a family of NAD(+)-dependent enzymes that catalyse the cleavage of various acyl groups from the ℇ-amino group of lysines. They regulate a series of cellular processes and their misregulation has been implicated in various diseases ...

    Sirtuins constitute a family of NAD(+)-dependent enzymes that catalyse the cleavage of various acyl groups from the ℇ-amino group of lysines. They regulate a series of cellular processes and their misregulation has been implicated in various diseases, making sirtuins attractive drug targets. To date, only a few sirtuin modulators have been reported that are suitable for cellular research and their development has been hampered by a lack of structural information. In this work, microseed matrix seeding (MMS) was used to obtain crystals of human Sirt3 in its apo form and of human Sirt2 in complex with ADP ribose (ADPR). Crystal formation using MMS was predictable, less error-prone and yielded a higher number of crystals per drop than using conventional crystallization screening methods. The crystals were used to solve the crystal structures of apo Sirt3 and of Sirt2 in complex with ADPR at an improved resolution, as well as the crystal structures of Sirt2 in complex with ADPR and the indoles EX527 and CHIC35. These Sirt2-ADPR-indole complexes unexpectedly contain two indole molecules and provide novel insights into selective Sirt2 inhibition. The MMS approach for Sirt2 and Sirt3 may be used as the basis for structure-based optimization of Sirt2/3 inhibitors in the future.


    Organizational Affiliation

    Institute of Pharmaceutical Sciences, Albert-Ludwigs-University Freiburg, Albertstrasse 25, 79104 Freiburg, Baden-Württemberg, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
NAD-dependent protein deacetylase sirtuin-3, mitochondrial
A, B, C, D, E, F
281Homo sapiensMutation(s): 0 
Gene Names: SIRT3 (SIR2L3)
EC: 3.5.1.-
Find proteins for Q9NTG7 (Homo sapiens)
Go to Gene View: SIRT3
Go to UniProtKB:  Q9NTG7
Small Molecules
Ligands 7 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

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

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D
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
PG4
Query on PG4

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F
TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

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A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
PGE
Query on PGE

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E
TRIETHYLENE GLYCOL
C6 H14 O4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N
 Ligand Interaction
PEG
Query on PEG

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Download CCD File 
A, B, C, D
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
 Ligand Interaction
1PE
Query on 1PE

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D
PENTAETHYLENE GLYCOL
PEG400
C10 H22 O6
JLFNLZLINWHATN-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.203 
  • R-Value Work: 0.175 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 84.990α = 90.00
b = 143.850β = 116.33
c = 89.460γ = 90.00
Software Package:
Software NamePurpose
MOLREPphasing
REFMACrefinement
Aimlessdata scaling
XDSdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
DFGGermanyJu295/8-1
DFGGermanySFB992 Medical Epigenetics, Project Z02

Revision History 

  • Version 1.0: 2015-12-02
    Type: Initial release
  • Version 1.1: 2015-12-09
    Type: Database references