6IAV

CO-AZURIN FROM PSEUDOMONAS AERUGINOSA TREATED WITH HYDROSULFIDE

• PDB DOI: https://doi.org/10.2210/pdb6IAV/pdb

• Classification: ELECTRON TRANSPORT
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2018-11-27 Released: 2019-01-30 
• Deposition Author(s): Palm, G.J., Kohlhause, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.310 
• R-Value Work: 0.250 
• R-Value Observed: 0.253 

Starting Model: experimental

Literature

Azurin and HS-: towards implementation of a sensor for HS- detection.

Strianese, M., Palm, G.J., Kohlhause, D., Ndamba, L.A., Tabares, L.C., Pellecchia, C.

(2019) Eur J Inorg Chem 

• DOI: https://doi.org/10.1002/ejic.201801399

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Macromolecule Content

• Total Structure Weight: 55.92 kDa 
• Atom Count: 3,918 
• Modelled Residue Count: 508 
• Deposited Residue Count: 508 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Azurin	A, B, C, D	127	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: azu, PA4922
UniProt
Find proteins for P00282 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore P00282  Go to UniProtKB:  P00282

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CO (Subject of Investigation/LOI)	E [auth A], G [auth B], I [auth C], K [auth D]	COBALT (II) ION Co XLJKHNWPARRRJB-UHFFFAOYSA-N
CA	F [auth A], H [auth B], J [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.310 
• R-Value Work: 0.250 
• R-Value Observed: 0.253 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.429	α = 90
b = 59.95	β = 90.43
c = 82.52	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-01-30 
Deposition Author(s): Palm, G.J., Kohlhause, D.

Revision History  

• Version 1.0: 2019-01-30
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-10-09
  Changes: Structure summary