Table 1 Summary of the methods used by participating groups.

From: A prospective compound screening contest identified broader inhibitors for Sirtuin 1

Group

Modeling of Sirtuin 1 structure

Ligand preparation

Processing method of compound library

3D structure modeling/prediction methods/tools

PDB ID used

Filter class

Actives

Decoys

1

4KXQ11

OMEGA61

LB→SB

Cambinol, HR73, salermide, sirtinol, suramin, and tenovin

 

2

HM (FAMS)21

4BN520

Open babel62

LB→SB

Cocrystalized ligands in PDB and ChEMBL (IC50 < 1 μM)

3

PaDEL-Descriptor23

LB

MUBD-HDACs63

 

4

4KXQ

CORINA64

Hybrid (LB&SB)

PubChem (CID703333, CID71459392)

5

4ZZJ65

Open babel. Dock27

Hybrid (LB&SB)

Known Sirtuin inhibitors

6

RDKit66

LB

ChEMBL (CHEMBL4506, CHEMBL4462, CHEMBL4461), PubChem (AID 652115), BindingDB (Target = NAD-Dependent Deacetylase Sirtuin 1)

 

7

 

4IG9,11 4IF6, 4ZZI,65 4I5I,33 4ZZJ

Ligprep67

Hybrid (LB&SB)

Cocrystalized ligands

 

8

MD (myPresto, cosgene37)

4ZZI

myPresto (AM1, AM1BCC)

 Hybrid (LB → SB)

Selisistat (EX-527), Compound 2835

 —

9

HM and minimization (SWISS model, Foldit)

4ZZI

Open babel, Discovery Studio visualizer

SB

  

10

HM (Prime)41,42

4ZZI (selected from 4I5I, 4IF6, 4IG9, 4KXQ, 4ZZI, 4ZZJ, 5BTR68)

LigPrep

Hybrid (LB&SB)

ChEMBL (IC50 < 20 μM)

ChEMBL (IC50 > 100 μM)

11

myPresto (tplgeneX)37,38

4I5I

myPresto (create3D)

SB

EX-527 analogue33

DUD-E8

12

RDKit

LB

BindingDB

ZINC47

13

MD

4I5I

OMEGA

Hybrid (LB, SB&visual inspection)

Sun et al.49

14

4ZZI

LigandBOX52

Hybrid (LB & SB)

8 compounds including Splitomicin, Cambinol, Salerminde

15

4I5I

OMEGA

Hybrid (LB&SB)

Cocrystalized ligands in PDB (4I5I, 4ZZI, 4IF6)

16

 

4ZZI

 

Hybrid (LB → SB)

  
  1. Software names are given in italic.
  2. PDB = Protein Data Bank; LB = ligand-based; SB = structure-based; HM = homology modeling; MD = molecular dynamics simulation.