1K68

Crystal Structure of the Phosphorylated Cyanobacterial Phytochrome Response Regulator RcpA

Structural Biology Knowledgebase: 1K68 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.278
  • R-Value Work: 0.233

Literature

Macromolecules
Sequence Display for 1K68

Classification: SIGNALING PROTEIN

Total Structure Weight: 31772.84

Macromolecule Entities
Molecule Chains Length Organism Details
Phytochrome Response Regulator RcpA A, B 140 Tolypothrix sp. pcc 7601 Gene Name(s): rcpA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
PHD
Query on PHD
A, B L-PEPTIDE LINKING C4 H8 N O7 P ASP

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.278
  • R-Value Work: 0.233
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 76.70 α = 90.00
b = 85.16 β = 90.00
c = 44.05 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-10-15
  • Released Date: 2003-12-16
  • Deposition author(s): Benda, C., Scheufler, C., Tandeau de Marsac, N., Gaertner, W.

Revision History

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