1JOE

Crystal Structure of Autoinducer-2 Production Protein (LuxS) from Heamophilus influenzae

• PDB DOI: https://doi.org/10.2210/pdb1JOE/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Haemophilus influenzae Rd KW20
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2001-07-27 Released: 2001-08-08 
• Deposition Author(s): Chen, C.C.H., Parsons, J.F., Lim, K., Lehmann, C., Tempczyk, A., Eisenstein, E., Herzberg, O., Structure 2 Function Project (S2F)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.299 
• R-Value Work: 0.205 
• R-Value Observed: 0.210 

Literature

CRYSTAL STRUCTURE OF AUTOINDUCER-2 PRODUCTION PROTEIN (LUXS) FROM HEAMOPHILUS INFLUENZAE--A CASE OF TWINNED CRYSTAL

Chen, C.C.H., Parsons, J.F., Lim, K., Lehmann, C., Tempczyk, A., Eisenstein, E., Herzberg, O.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 75.26 kDa 
• Atom Count: 4,722 
• Modelled Residue Count: 592 
• Deposited Residue Count: 668 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AUTOINDUCER-2 PRODUCTION PROTEIN	A, B, C, D	167	Haemophilus influenzae Rd KW20	Mutation(s): 0
UniProt
Find proteins for P44007 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore P44007  Go to UniProtKB:  P44007

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HG	E [auth A], G [auth B], I [auth C], K [auth D]	MERCURY (II) ION Hg BQPIGGFYSBELGY-UHFFFAOYSA-N
ZN	F [auth A], H [auth B], J [auth C], L [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.299 
• R-Value Work: 0.205 
• R-Value Observed: 0.210 
• Space Group: P 4₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 115.53	α = 90
b = 115.53	β = 90
c = 51.23	γ = 90

Software Package:

Software Name	Purpose
SHELXS	phasing
MLPHARE	phasing
DM	model building
SHELXL-97	refinement
X-GEN	data reduction
X-GEN	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2001-08-08 
Deposition Author(s): Chen, C.C.H., Parsons, J.F., Lim, K., Lehmann, C., Tempczyk, A., Eisenstein, E., Herzberg, O., Structure 2 Function Project (S2F)

Revision History  

• Version 1.0: 2001-08-08
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2024-02-07
  Changes: Data collection, Database references, Derived calculations