1U9I

Crystal Structure of Circadian Clock Protein KaiC with Phosphorylation Sites

Structural Biology Knowledgebase: 1U9I SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.290
  • R-Value Work: 0.250

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1U9I

Classification: CIRCADIAN CLOCK PROTEIN

Total Structure Weight: 355472.13

Macromolecule Entities
Molecule Chains Length Organism Details
KaiC A, B, E, F 519 Synechococcus elongatus EC#: 2.7.11.1 IUBMB
Mutation: S431X, T432X
Gene Name(s): kaiC Synpcc7942_1216 see0011
KaiC C, D 519 Synechococcus elongatus EC#: 2.7.11.1 IUBMB
Mutation: T432X
Gene Name(s): kaiC Synpcc7942_1216 see0011

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

A, B, C, D, E, F ADENOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O13 P3
ZKHQWZAMYRWXGA-KQYNXXCUSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B, C, D, E, F MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
SEP
Query on SEP
A, B, E, F L-PEPTIDE LINKING C3 H8 N O6 P SER
TPO
Query on TPO
A, B, C, D, E, F L-PEPTIDE LINKING C4 H10 N O6 P THR

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.290
  • R-Value Work: 0.250
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 132.87 α = 90.00
b = 135.58 β = 90.00
c = 204.95 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-08-09
  • Released Date: 2005-04-19
  • Deposition author(s): Xu, Y., Mori, T., Pattanayek, R., Pattanayek, S., Egli, M., Johnson, C.H.

Revision History

  • 2013-03-06
    Type: Other | Details: Release SF file
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Source and taxonomy | Details: Removed strain from scientific name