6I91

Dye type peroxidase Aa from Streptomyces lividans: 156.8 kGy structure

• PDB DOI: https://doi.org/10.2210/pdb6I91/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Streptomyces lividans 1326
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-11-22 Released: 2019-12-04 
• Deposition Author(s): Ebrahim, A., Moreno-Chicano, T., Worrall, J.A.R., Strange, R.W., Axford, D., Sherrell, D.A., Appleby, M., Owen, R.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.232 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 

Literature

Dose-resolved serial synchrotron and XFEL structures of radiation sensitive metalloproteins

Ebrahim, A., Moreno-Chicano, T., Appleby, M.V., Chaplin, A.K., Beale, J., Sherrell, D.A., Duyvesteyn, H.M.E., Owada, S., Tono, K., Sugimoto, S., Strange, R.W., Worrall, J.A.R., Axford, D., Owen, R., Hough, M.A.

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 Evidence: native gel electrophoresis

Macromolecule Content

• Total Structure Weight: 79.78 kDa 
• Atom Count: 6,133 
• Modelled Residue Count: 723 
• Deposited Residue Count: 724 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Deferrochelatase/peroxidase	A, B	362	Streptomyces lividans 1326	Mutation(s): 0  Gene Names: SCO2276 EC: 1.11.1
UniProt
Find proteins for Q9RKQ2 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q9RKQ2  Go to UniProtKB:  Q9RKQ2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	C [auth A], D [auth B]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.232 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.042	α = 90
b = 68.368	β = 105.76
c = 74.974	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
DIALS	data reduction
cctbx.prime	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-12-04 
Deposition Author(s): Ebrahim, A., Moreno-Chicano, T., Worrall, J.A.R., Strange, R.W., Axford, D., Sherrell, D.A., Appleby, M., Owen, R.L.

Revision History  

• Version 1.0: 2019-12-04
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Refinement description