3ABU

Crystal Structure of LSD1 in complex with a 2-PCPA derivative, S1201


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.10 Å
  • R-Value Free: 0.295 
  • R-Value Work: 0.242 
  • R-Value Observed: 0.242 

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Literature

Structurally Designed trans-2-Phenylcyclopropylamine Derivatives Potently Inhibit Histone Demethylase LSD1/KDM1

Mimasu, S.Umezawa, N.Sato, S.Higuchi, T.Umehara, T.Yokoyama, S.

(2010) Biochemistry 49: 6494-6503

  • DOI: 10.1021/bi100299r
  • Primary Citation of Related Structures:  
    3ABT, 3ABU

  • PubMed Abstract: 
  • Lysine-specific demethylase 1 (LSD1/KDM1) demethylates histone H3, in addition to tumor suppressor p53 and DNA methyltransferase 1 (Dnmt1), thus regulating eukaryotic gene expression by altering chromatin structure. Specific inhibitors of LSD1 are desired as anticancer agents, because LSD1 aberrations are associated with several cancers, and LSD1 inhibition restores the expression of abnormally silenced genes in cancerous cells ...

    Lysine-specific demethylase 1 (LSD1/KDM1) demethylates histone H3, in addition to tumor suppressor p53 and DNA methyltransferase 1 (Dnmt1), thus regulating eukaryotic gene expression by altering chromatin structure. Specific inhibitors of LSD1 are desired as anticancer agents, because LSD1 aberrations are associated with several cancers, and LSD1 inhibition restores the expression of abnormally silenced genes in cancerous cells. In this study, we designed and synthesized several candidate compounds to inhibit LSD1, based on the structures of LSD1 and monoamine oxidase B (MAO-B), in complex with an antidepressant tranylcypromine (2-PCPA) derivative. Compound S2101 exhibited stronger LSD1 inhibition than tranylcypromine and the known small LSD1 inhibitors in LSD1 demethylation assays, with a k(inact)/K(I) value of 4560 M(-1) s(-1). In comparison with tranylcypromine, the compound displayed weaker inhibition to the monoamine oxidases. The inhibition modes of the two 2-PCPA derivatives, 2-PFPA and S1201, were identified by determination of the inhibitor-bound LSD1 structures, which revealed the enhanced stability of the inhibitor-FAD adducts by their interactions with the surrounding LSD1 residues. These molecules are potential pharmaceutical candidates for cancer or latent virus infection, as well as research tools for LSD1-related biological investigations.


    Organizational Affiliation

    RIKEN Systems and Structural Biology Center, 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Japan.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Lysine-specific histone demethylase 1A662Homo sapiensMutation(s): 0 
Gene Names: Kazusa DNA KIAA 0601KDM1AAOF2KDM1KIAA0601LSD1
EC: 1.14.99.66
UniProt & NIH Common Fund Data Resources
Find proteins for O60341 (Homo sapiens)
Explore O60341 
Go to UniProtKB:  O60341
PHAROS:  O60341
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO60341
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
12F
Query on 12F

Download Ideal Coordinates CCD File 
B [auth A][(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl (2R,3S,4S)-5-[(1R,3R,3aS)-3-[2-(benzyloxy)-3-fluorophenyl]-1-hydroxy-10,11-dimethyl-4,6-dioxo-2,3,5,6-tetrahydro-1H-benzo[g]pyrrolo[2,1-e]pteridin-8(4H)-yl]-2,3,4-trihydroxypentyl dihydrogen diphosphate
C43 H48 F N9 O17 P2
MHNGLOZRWDKFEV-BJXRDEIQSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
12F PDBBind:  3ABU Ki: 2400 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.10 Å
  • R-Value Free: 0.295 
  • R-Value Work: 0.242 
  • R-Value Observed: 0.242 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 183.7α = 90
b = 183.7β = 90
c = 109.25γ = 120
Software Package:
Software NamePurpose
HKL-2000data collection
MOLREPphasing
CNSrefinement
XDSdata reduction
XDSdata scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-07-07
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance