1JK7

CRYSTAL STRUCTURE OF THE TUMOR-PROMOTER OKADAIC ACID BOUND TO PROTEIN PHOSPHATASE-1

Structural Biology Knowledgebase: 1JK7 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 1JK7

Classification: HYDROLASE / TOXIN

Total Structure Weight: 38276.39

Macromolecule Entities
Molecule Chains Length Organism Details
SERINE/THREONINE PROTEIN PHOSPHATASE PP1-GAMMA CATALYTIC SUBUNIT A 323 Homo sapiens EC#: 3.1.3.16 IUBMB
Gene Name(s): PPP1CC Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
OKA
Query on OKA

A OKADAIC ACID
9,10-DEEPITHIO-9,10-DIDEHYDROACANTHIFOLICIN (Synonym)
C44 H68 O13
QNDVLZJODHBUFM-WFXQOWMNSA-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)
BME
Query on BME

A BETA-MERCAPTOETHANOL
C2 H6 O S
DGVVWUTYPXICAM-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MN
Query on MN

A 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 IC50: 20 - >5000 nM (100) BindingDB

N/A in BindingMoad
IC50: 3 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.199
  • Space Group: P 42 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 99.18 α = 90.00
b = 99.18 β = 90.00
c = 62.17 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-07-11
  • Released Date: 2001-08-15
  • Deposition author(s): Maynes, J.T., Bateman, K.S., Cherney, M.M., Das, A.K., James, M.N.

Revision History

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