2BHE

HUMAN CYCLIN DEPENDENT PROTEIN KINASE 2 IN COMPLEX WITH THE INHIBITOR 5-BROMO-INDIRUBINE

• PDB DOI:  https://doi.org/10.2210/pdb2BHE/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2005-01-10 Released: 2005-03-09 
• Deposition Author(s): Schaefer, M., Jautelat, R., Brumby, T., Briem, H., Eisenbrand, G., Schwahn, S., Krueger, M., Luecking, U., Prien, O., Siemeister, G.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.322 
• R-Value Observed: 0.246 

Literature

From the Insoluble Dye Indirubin Towards Highly Active, Soluble Cdk2-Inhibitors

Schaefer, M., Jautelat, R., Brumby, T., Briem, H., Eisenbrand, G., Schwahn, S., Krueger, M., Luecking, U., Prien, O., Siemeister, G.

(2005) Chembiochem 6: 531

• PubMed: 15742375 
• DOI: https://doi.org/10.1002/cbic.200400108
• Primary Citation of Related Structures:  
  2BHE, 2BHH

---

Organizational Affiliation: 

Medicinal Chemistry, Research Center Europe, Schering AG, 13342 Berlin, Germany. [e-mail]

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 34.32 kDa 
• Atom Count: 2,296 
• Modelled Residue Count: 274 
• Deposited Residue Count: 298 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CELL DIVISION PROTEIN KINASE 2	A	298	Homo sapiens	Mutation(s): 0  Gene Names: CDK2, CDKN2 EC: 2.7.1.37 (PDB Primary Data), 2.7.11.22 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P24941 (Homo sapiens) Explore P24941  Go to UniProtKB:  P24941
PHAROS:  P24941

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BRY	B [auth A]	(2Z)-5'-BROMO-2,3'-BIINDOLE-2',3(1H,1'H)-DIONE AMMONIATE C16 H9 Br N2 O2 IEQQJQHHJMQETK-YPKPFQOOSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
BRY	BindingDB:  2BHE	IC50: min: 80, max: 1000 (nM) from 2 assay(s)
	Binding MOAD:  2BHE	IC50: 1000 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.322 
• R-Value Observed: 0.246 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.685	α = 90
b = 71.918	β = 90
c = 71.922	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-03-09 
Deposition Author(s): Schaefer, M., Jautelat, R., Brumby, T., Briem, H., Eisenbrand, G., Schwahn, S., Krueger, M., Luecking, U., Prien, O., Siemeister, G.

Revision History  

• Version 1.0: 2005-03-09
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2019-05-22
  Changes: Data collection, Other, Refinement description
• Version 1.4: 2019-07-24
  Changes: Data collection