5VI9

Crystal structure of Protein Kinase A in complex with the PKI peptide and Aminobenzothiazole based inhibitors

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.206 
  • R-Value Observed: 0.209 

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Literature

Design of Aminobenzothiazole Inhibitors of Rho Kinases 1 and 2 by Using Protein Kinase A as a Structure Surrogate.

Judge, R.A., Vasudevan, A., Scott, V.E., Simler, G.H., Pratt, S.D., Namovic, M.T., Putman, C.B., Aguirre, A., Stoll, V.S., Mamo, M., Swann, S.I., Cassar, S.C., Faltynek, C.R., Kage, K.L., Boyce-Rustay, J.M., Hobson, A.D.

(2018) Chembiochem 19: 613-621

  • DOI: https://doi.org/10.1002/cbic.201700547
  • Primary Citation of Related Structures:  
    5VHB, 5VI9, 5VIB

  • PubMed Abstract: 

    • We describe the design, synthesis, and structure-activity relationships (SARs) of a series of 2-aminobenzothiazole inhibitors of Rho kinases (ROCKs) 1 and 2, which were optimized to low nanomolar potencies by use of protein kinase A (PKA) as a structure surrogate to guide compound design ...

    We describe the design, synthesis, and structure-activity relationships (SARs) of a series of 2-aminobenzothiazole inhibitors of Rho kinases (ROCKs) 1 and 2, which were optimized to low nanomolar potencies by use of protein kinase A (PKA) as a structure surrogate to guide compound design. A subset of these molecules also showed robust activity in a cell-based myosin phosphatase assay and in a mechanical hyperalgesia in vivo pain model.

    Organizational Affiliation: 

    AbbVie Bioresearch Center, 100 Research Drive, Worcester, MA, 01605, USA.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
cAMP-dependent protein kinase catalytic subunit alpha351Bos taurusMutation(s): 0 
Gene Names: PRKACA
EC: 2.7.11.11
UniProt
Find proteins for P00517 (Bos taurus)
Explore P00517 
Go to UniProtKB:  P00517
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00517
Protein Feature View
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
PKI peptide18Bos taurusMutation(s): 0 
Gene Names: PKIA
UniProt
Find proteins for Q3SX13 (Bos taurus)
Explore Q3SX13 
Go to UniProtKB:  Q3SX13
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ3SX13
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
9D4
Query on 9D4
Download Ideal Coordinates CCD File 
C [auth A]N-[(3-fluorophenyl)methyl]-6-(pyridin-4-yl)-1,3-benzothiazol-2-amine
C19 H14 F N3 S
KCSSSFZRQGBLKE-UHFFFAOYSA-N		 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
TPO
Query on TPO
A
L-PEPTIDE LINKINGC4 H10 N O6 PTHR
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.256 
  • R-Value Work: 0.206 
  • R-Value Observed: 0.209 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 70.558α = 90
b = 72.855β = 90
c = 77.806γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
Aimlessdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing

Structure Validation

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Entry History 

Deposition Data

  • Released Date: 2018-01-31 
    • Deposition Author(s): Judge, R.A.

Revision History  (Full details and data files)

  • Version 1.0: 2018-01-31
    Type: Initial release
  • Version 1.1: 2018-02-14
    Changes: Database references
  • Version 1.2: 2018-04-04
    Changes: Data collection, Database references