8AK7 | pdb_00008ak7

Human Sirt6 in complex with ADP-ribose and fragment 6-O-methylguanine


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.81 Å
  • R-Value Free: 
    0.233 (Depositor) 
  • R-Value Work: 
    0.201 (Depositor) 
  • R-Value Observed: 
    0.202 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 8AK7

Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history

Literature

Development of novel Sirtuin 6 inhibitors and activators based on a protein crystallography-based fragment screen

You, W.Steegborn, C.

To be published.

Macromolecule Content 

  • Total Structure Weight: 70.47 kDa 
  • Atom Count: 4,737 
  • Modeled Residue Count: 559 
  • Deposited Residue Count: 604 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
NAD-dependent protein deacetylase sirtuin-6
A, B
302Homo sapiensMutation(s): 0 
Gene Names: SIRT6SIR2L6
EC: 2.3.1.286 (PDB Primary Data), 2.4.2 (UniProt), 2.3.1 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q8N6T7 (Homo sapiens)
Explore Q8N6T7 
Go to UniProtKB:  Q8N6T7
PHAROS:  Q8N6T7
GTEx:  ENSG00000077463 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8N6T7
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 9 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
AR6

Query on AR6



Download:Ideal Coordinates CCD File
C [auth A],
R [auth B]
[(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL[HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL] HYDROGEN PHOSPHATE
C15 H23 N5 O14 P2
SRNWOUGRCWSEMX-ZQSHOCFMSA-N
PG4

Query on PG4



Download:Ideal Coordinates CCD File
G [auth A]TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
6GO
(Subject of Investigation/LOI)

Query on 6GO



Download:Ideal Coordinates CCD File
E [auth A],
T [auth B]
6-O-methylguanine
C6 H7 N5 O
BXJHWYVXLGLDMZ-UHFFFAOYSA-N
PGE

Query on PGE



Download:Ideal Coordinates CCD File
U [auth B]TRIETHYLENE GLYCOL
C6 H14 O4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N
PEG

Query on PEG



Download:Ideal Coordinates CCD File
H [auth A],
Q [auth B]
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4

Query on SO4



Download:Ideal Coordinates CCD File
I [auth A]
J [auth A]
K [auth A]
L [auth A]
M [auth A]
I [auth A],
J [auth A],
K [auth A],
L [auth A],
M [auth A],
N [auth A],
V [auth B],
W [auth B],
X [auth B]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
ZN

Query on ZN



Download:Ideal Coordinates CCD File
D [auth A],
S [auth B]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
EDO

Query on EDO



Download:Ideal Coordinates CCD File
F [auth A]1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL

Query on CL



Download:Ideal Coordinates CCD File
O [auth A],
P [auth A],
Y [auth B],
Z [auth B]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.81 Å
  • R-Value Free:  0.233 (Depositor) 
  • R-Value Work:  0.201 (Depositor) 
  • R-Value Observed: 0.202 (Depositor) 
Space Group: P 63
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 91.072α = 90
b = 91.072β = 90
c = 143.251γ = 120
Software Package:
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
German Research Foundation (DFG)Germany--

Revision History  (Full details and data files)

  • Version 1.0: 2023-08-16
    Type: Initial release
  • Version 1.1: 2026-03-04
    Changes: Derived calculations, Refinement description, Structure summary