2Y37

The discovery of novel, potent and highly selective inhibitors of inducible nitric oxide synthase (iNOS)

• PDB DOI: https://doi.org/10.2210/pdb2Y37/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mus musculus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-12-19 Released: 2011-04-13 
• Deposition Author(s): Cheshire, D.R., Andrews, G., Beaton, H.G., Birkinshaw, T.N., Boughton-Smith, N., Connolly, S., Cook, T.R., Cooper, A., Cooper, S.L., Cox, D., Dixon, J., Gensmantel, N., Hamley, P.J., Harrison, R., Hartopp, P., Kack, H., Luker, T., Mete, A., Millichip, I., Nicholls, D.J., Pimm, A.D., St-Gallay, S.A., Wallace, A.V.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.242 
• R-Value Work: 0.208 
• R-Value Observed: 0.210 

Literature

The Discovery of Novel, Potent and Highly Selective Inhibitors of Inducible Nitric Oxide Synthase (Inos).

Cheshire, D.R., Berg, A., Andersson, G.M., Andrews, G., Beaton, H.G., Birkinshaw, T.N., Boughton-Smith, N., Connolly, S., Cook, T.R., Cooper, A., Cooper, S.L., Cox, D., Dixon, J., Gensmantel, N., Hamley, P.J., Harrison, R., Hartopp, P., Kack, H., Leeson, P.D., Luker, T., Mete, A., Millichip, I., Nicholls, D.J., Pimm, A.D., St-Gallay, S.A., Wallace, A.V.

(2011) Bioorg Med Chem Lett 21: 2468

• PubMed: 21398123 
• DOI: https://doi.org/10.1016/j.bmcl.2011.02.061
• Primary Citation of Related Structures:  
  2Y37, 4UX6


• PubMed Abstract: 
  

  By careful analysis of experimental X-ray ligand crystallographic protein data across several inhibitor series we have discovered a novel, potent and selective series of iNOS inhibitors exemplified by compound 8.

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Organizational Affiliation: 

Department of Chemistry, AstraZeneca Charnwood, Bakewell Road, Loughborough LE11 5RH, United Kingdom. [e-mail]

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 103 kDa 
• Atom Count: 7,222 
• Modelled Residue Count: 823 
• Deposited Residue Count: 866 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NITRIC OXIDE SYNTHASE, INDUCIBLE	A, B	433	Mus musculus	Mutation(s): 0  EC: 1.14.13.39
UniProt & NIH Common Fund Data Resources
Find proteins for P29477 (Mus musculus) Explore P29477  Go to UniProtKB:  P29477
IMPC:  MGI:97361

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	G [auth A], L [auth B]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
A54	F [auth A], K [auth B]	2-[(1R)-3-amino-1-phenyl-propoxy]-4-chloro-benzonitrile C16 H15 Cl N2 O GPCXUXJZOSOVLY-OAHLLOKOSA-N
H4B	H [auth A], M [auth B]	5,6,7,8-TETRAHYDROBIOPTERIN C9 H15 N5 O3 FNKQXYHWGSIFBK-RPDRRWSUSA-N
SO4	C [auth A], D [auth A], I [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth A], J [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
A54	BindingDB:  2Y37	IC50: min: 4, max: 900 (nM) from 2 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.242 
• R-Value Work: 0.208 
• R-Value Observed: 0.210 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 212.492	α = 90
b = 212.492	β = 90
c = 115.372	γ = 120

Software Package:

Software Name	Purpose
BUSTER	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-13 
Deposition Author(s): Cheshire, D.R., Andrews, G., Beaton, H.G., Birkinshaw, T.N., Boughton-Smith, N., Connolly, S., Cook, T.R., Cooper, A., Cooper, S.L., Cox, D., Dixon, J., Gensmantel, N., Hamley, P.J., Harrison, R., Hartopp, P., Kack, H., Luker, T., Mete, A., Millichip, I., Nicholls, D.J., Pimm, A.D., St-Gallay, S.A., Wallace, A.V.

Revision History  

• Version 1.0: 2011-04-13
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-01-17
  Changes: Data collection
• Version 1.4: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other