1NVS

The Complex Structure Of Checkpoint Kinase Chk1/SB218078


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.255
  • R-Value Work: 0.232

Literature

Macromolecules
Sequence Display for 1NVS

Classification: TRANSFERASE

Total Structure Weight: 33965.90

Macromolecule Entities
Molecule Chains Length Organism Details
Serine/threonine-protein kinase Chk1 A 289 Homo sapiens EC#: 2.7.11.1 IUBMB
Fragment: CHK1KD (RESIDUES 1-289)
Gene Name(s): CHEK1 Gene View CHK1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Peptide ASVSA B 5 synthetic

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
UCM
Query on UCM

A REL-(9R,12S)-9,10,11,12-TETRAHYDRO-9,12-EPOXY- 1H-DIINDOLO[1,2,3-FG:3',2',1'-KL]PYRROLO[3,4- I][1,6]BENZODIAZOCINE-1,3(2H)-DIONE
SB218078 (Synonym)
C24 H15 N3 O3
OTPNDVKVEAIXTI-IYBDPMFKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
UCM N/A in BindingDB
Ki: 15 nM  BindingMOAD
Ki: 15 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.255
  • R-Value Work: 0.232
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 45.03 α = 90.00
b = 65.90 β = 94.21
c = 58.16 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-02-04
  • Released Date: 2003-04-08
  • Deposition author(s): Zhao, B., Bower, M.J., McDevitt, P.J., Zhao, H., Davis, S.T., Johanson, K.O., Green, S.M., Concha, N.O., Zhou, B.B.

Revision History

  • 2008-04-29
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance