4FST

Crystal Structure of the CHK1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.185 
  • R-Value Work: 0.166 
  • R-Value Observed: 0.167 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.4 of the entry. See complete history


Literature

Crystal Structure of the CHK1

Kang, Y.N.Stuckey, J.A.Chang, P.Russell, A.J.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Serine/threonine-protein kinase Chk1269Homo sapiensMutation(s): 0 
Gene Names: CHEK1CHK1
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O14757 (Homo sapiens)
Explore O14757 
Go to UniProtKB:  O14757
PHAROS:  O14757
GTEx:  ENSG00000149554 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO14757
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
HK4
Query on HK4

Download Ideal Coordinates CCD File 
B [auth A]4-[(6,7-dimethoxy-2,4-dihydroindeno[1,2-c]pyrazol-3-yl)ethynyl]-2-methoxyphenol
C21 H18 N2 O4
MPWLZTAOZDBWMH-UHFFFAOYSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
GOL
Query on GOL

Download Ideal Coordinates CCD File 
D [auth A],
E [auth A]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
IPA
Query on IPA

Download Ideal Coordinates CCD File 
F [auth A],
G [auth A]
ISOPROPYL ALCOHOL
C3 H8 O
KFZMGEQAYNKOFK-UHFFFAOYSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
CSO
Query on CSO
A
L-PEPTIDE LINKINGC3 H7 N O3 SCYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.185 
  • R-Value Work: 0.166 
  • R-Value Observed: 0.167 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 45.187α = 90
b = 65.741β = 94.64
c = 58.074γ = 90
Software Package:
Software NamePurpose
SCALEPACKdata scaling
BUSTER-TNTrefinement
PDB_EXTRACTdata extraction
BUSTERrefinement

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-08-22
    Type: Initial release
  • Version 1.1: 2014-10-15
    Changes: Structure summary
  • Version 1.2: 2014-12-10
    Changes: Structure summary
  • Version 1.3: 2023-11-29
    Changes: Data collection, Database references, Derived calculations
  • Version 1.4: 2024-11-06
    Changes: Structure summary