2IYG

Dark state structure of the BLUF domain of the rhodobacterial protein AppA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.208

Literature

Macromolecules
Sequence Display for 2IYG

Classification: SIGNAL TRANSDUCTION

Total Structure Weight: 29060.54

Macromolecule Entities
Molecule Chains Length Organism Details
APPA, ANTIREPRESSOR OF PPSR, SENSOR OF BLUE LIGHT A, B 124 Rhodobacter sphaeroides Fragment: BLUF DOMAIN, RESIDUES 1-124
Mutation: C20S
Gene Name(s): appA RSP_1565
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B FLAVIN MONONUCLEOTIDE
RIBOFLAVIN MONOPHOSPHATE (Synonym)
C17 H21 N4 O9 P
FVTCRASFADXXNN-SCRDCRAPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DTT
Query on DTT

B 2,3-DIHYDROXY-1,4-DITHIOBUTANE
1,4-DITHIOTHREITOL (Synonym)
C4 H10 O2 S2
VHJLVAABSRFDPM-IMJSIDKUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DTU
Query on DTU

A (2R,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL
C4 H10 O2 S2
VHJLVAABSRFDPM-ZXZARUISSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.208
  • Space Group: P 65 2 2

Unit Cell:

Length (Å) Angle (°)
a = 127.71 α = 90.00
b = 127.71 β = 90.00
c = 65.35 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-07-17
  • Released Date: 2006-09-06
  • Deposition author(s): Jung, A., Reinstein, J., Domratcheva, T., Shoeman, R.-L., Schlichting, I.

Revision History

  • Version 1_0: 2006-09-06

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Refinement description, Version format compliance