3A0R

Crystal structure of histidine kinase ThkA (TM1359) in complex with response regulator protein TrrA (TM1360)

Structural Biology Knowledgebase: 3A0R SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.8 Å
  • R-Value Free: 0.371
  • R-Value Work: 0.350

Literature

Macromolecules
Sequence Display for 3A0R

Classification: TRANSFERASE

Total Structure Weight: 54721.12

Macromolecule Entities
Molecule Chains Length Organism Details
Sensor protein A 349 Thermotoga maritima EC#: 2.7.13.3 IUBMB
Fragment: PAS, catalytic domain, DHp domain
Gene Name(s): TM_1359 Tmari_1366
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Response regulator B 116 Thermotoga maritima Mutation: L89M
Gene Name(s): TM_1360 Tmari_1367
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A MERCURY (II) ION
Hg
BQPIGGFYSBELGY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
B L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.8 Å
  • R-Value Free: 0.371
  • R-Value Work: 0.350
  • Space Group: I 41 2 2

Unit Cell:

Length (Å) Angle (°)
a = 110.59 α = 90.00
b = 110.59 β = 90.00
c = 352.51 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-03-24
  • Released Date: 2009-10-20
  • Deposition author(s): Yamada, S., Sugimoto, H., Kobayashi, M., Ohno, A., Nakamura, H., Shiro, Y.

Revision History

  • 2011-07-13
    Type: Flag residual B-value | Details: Tagged residual B temperature factor
  • 2011-07-13
    Type: Refinement description | Details: Fixed TLS group
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4