1IA8

THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE CHECKPOINT KINASE CHK1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.216

Literature

Macromolecules
Sequence Display for 1IA8

Classification: TRANSFERASE

Total Structure Weight: 33139.05

Macromolecule Entities
Molecule Chains Length Organism Details
CHK1 CHECKPOINT KINASE 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

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.216
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 45.20 α = 90.00
b = 65.70 β = 93.90
c = 58.10 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-03-22
  • Released Date: 2001-04-18
  • Deposition author(s): Chen, P., Luo, C., Deng, Y., Ryan, K., Register, J., Margosiak, S., Tempczyk-Russell, A., Nguyen, B., Myers, P., Lundgren, K., Chen Kan, C.-C., O'Connor, P.M.

Revision History

  • Version 1_0: 2001-04-18

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance