2IE4

Structure of the Protein Phosphatase 2A Core Enzyme Bound to okadaic acid


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.230
  • R-Value Work: 0.270

Literature

Macromolecules
Sequence Display for 2IE4

Classification: SIGNALING PROTEIN HYDROLASE

Total Structure Weight: 101930.31

Macromolecule Entities
Molecule Chains Length Organism Details
Protein Phosphatase 2, regulatory subunit A (PR 65), alpha isoform A 589 Homo sapiens Fragment: scaffolding subunit
Gene Name(s): PPP2R1A Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform C 309 Homo sapiens EC#: 3.1.3.16 IUBMB
Fragment: catalytic subunit
Gene Name(s): PPP2CA Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

C OKADAIC ACID
9,10-DEEPITHIO-9,10-DIDEHYDROACANTHIFOLICIN (Synonym)
C44 H68 O13
QNDVLZJODHBUFM-WFXQOWMNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MN
Query on MN

C MANGANESE (II) ION
Mn
WAEMQWOKJMHJLA-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
OKA N/A in BindingDB
N/A in BindingMoad
IC50: 0.1 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.230
  • R-Value Work: 0.270
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 92.54 α = 90.00
b = 194.85 β = 90.00
c = 201.35 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-09-17
  • Released Date: 2006-11-07
  • Deposition author(s): Xing, Y., Xu, Y., Chen, Y., Jeffrey, P.D., Chao, Y., Shi, Y.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4