1BX6

CRYSTAL STRUCTURE OF THE POTENT NATURAL PRODUCT INHIBITOR BALANOL IN COMPLEX WITH THE CATALYTIC SUBUNIT OF CAMP-DEPENDENT PROTEIN KINASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.340
  • R-Value Work: 0.202

Literature

Macromolecules
Sequence Display for 1BX6

Classification: SERINE / THREONINE-PROTEIN KINASE

Total Structure Weight: 41287.81

Macromolecule Entities
Molecule Chains Length Organism Details
CAMP-DEPENDENT PROTEIN KINASE A 350 Mus musculus EC#: 2.7.11.11 IUBMB
Fragment: CATALYTIC DOMAIN
Mutation: S10X, T197X, S338X
Gene Name(s): Prkaca Pkaca
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BA1
Query on BA1

A BALANOL
C28 H26 N2 O10
XYUFCXJZFZPEJD-XMSQKQJNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BA1 IC50: 40 - 60 nM (97 - 98) BindingDB
Ki: 4.7 nM (96) BindingDB

N/A in BindingMoad
N/A in PDBbind
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
SEP
Query on SEP
A L-PEPTIDE LINKING C3 H8 N O6 P SER
TPO
Query on TPO
A L-PEPTIDE LINKING C4 H10 N O6 P THR

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.340
  • R-Value Work: 0.202
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 57.19 α = 90.00
b = 73.18 β = 90.00
c = 99.77 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-10-13
  • Released Date: 1999-04-27
  • Deposition author(s): Narayana, N., Xuong, N.-H., Ten Eyck, L.F., Taylor, S.S.

Revision History

  • Version 1_0: 1999-04-27

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance