4MBL | pdb_00004mbl

Discovery of Pyrazolo[1,5a]pyrimidine-based Pim1 Inhibitors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 
    0.242 (Depositor), 0.250 (DCC) 
  • R-Value Work: 
    0.201 (Depositor), 0.210 (DCC) 
  • R-Value Observed: 
    0.206 (Depositor) 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted 26LClick on this verticalbar to view details

This is version 1.2 of the entry. See complete history


Literature

Discovery of pyrazolo[1,5-a]pyrimidine-based Pim inhibitors: A template-based approach.

Dwyer, M.P.Keertikar, K.Paruch, K.Alvarez, C.Labroli, M.Poker, C.Fischmann, T.O.Mayer-Ezell, R.Bond, R.Wang, Y.Azevedo, R.Guzi, T.J.

(2013) Bioorg Med Chem Lett 23: 6178-6182

  • DOI: https://doi.org/10.1016/j.bmcl.2013.08.110
  • Primary Citation of Related Structures:  
    4MBI, 4MBL

  • PubMed Abstract: 

    The synthesis and hit-to-lead SAR development from a pyrazolo[1,5-a]pyrimidine-derived hit 5 to the identification of a series of potent, pan-Pim inhibitors such as 11j are described.


  • Organizational Affiliation

    Department of Chemical Research, Merck Research Laboratories, 2015 Galloping Hill Road, Kenilworth, NJ 07033, United States. Electronic address: michael.dwyer@merck.com.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Serine/threonine-protein kinase pim-1293Homo sapiensMutation(s): 0 
Gene Names: PIM1
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P11309 (Homo sapiens)
Explore P11309 
Go to UniProtKB:  P11309
PHAROS:  P11309
GTEx:  ENSG00000137193 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP11309
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
26L
Query on 26L

Download Ideal Coordinates CCD File 
B [auth A](1R,2R)-N-[3-(naphthalen-2-yl)pyrazolo[1,5-a]pyrimidin-5-yl]cyclohexane-1,2-diamine
C22 H23 N5
LODPYXJMYAQIRB-WOJBJXKFSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
26L BindingDB:  4MBL IC50: 2.9 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free:  0.242 (Depositor), 0.250 (DCC) 
  • R-Value Work:  0.201 (Depositor), 0.210 (DCC) 
  • R-Value Observed: 0.206 (Depositor) 
Space Group: P 65
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 98.56α = 90
b = 98.56β = 90
c = 80.859γ = 120
Software Package:
Software NamePurpose
CrystalCleardata collection
AMoREphasing
BUSTERrefinement
d*TREKdata reduction
d*TREKdata scaling

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted 26LClick on this verticalbar to view details

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2013-09-11
    Type: Initial release
  • Version 1.1: 2013-10-30
    Changes: Database references
  • Version 1.2: 2024-02-28
    Changes: Data collection, Database references, Derived calculations