3P1O

Crystal structure of human 14-3-3 sigma in complex with TASK-3 peptide and stabilisator Fusicoccin A

Structural Biology Knowledgebase: 3P1O SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.234
  • R-Value Work: 0.176

Literature

Macromolecules
Sequence Display for 3P1O

Classification: PEPTIDE BINDING PROTEIN

Total Structure Weight: 28212.57

Macromolecule Entities
Molecule Chains Length Organism Details
14-3-3 protein sigma A 235 Homo sapiens Gene Name(s): SFN Gene View HME1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
6-mer peptide from Potassium channel subfamily K member 9 P 6 Homo sapiens Gene Name(s): KCNK9 Gene View TASK3
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A FUSICOCCIN
C36 H56 O12
KXTYBXCEQOANSX-WYKQKOHHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
CSO
Query on CSO
A L-PEPTIDE LINKING C3 H7 N O3 S CYS
SEP
Query on SEP
P L-PEPTIDE LINKING C3 H8 N O6 P SER

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.234
  • R-Value Work: 0.176
  • Space Group: C 2 2 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 84.10 α = 90.00
b = 109.74 β = 90.00
c = 62.02 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2010-09-30
  • Released Date: 2011-10-12
  • Deposition author(s): Anders, C., Higuchi, Y., Schumacher, B., Thiel, P., Kato, N., Ottmann, C.

Revision History

No revisions since initial release