6ZJI | pdb_00006zji

Cryo-EM structure of wild-type KatG from M. tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb6ZJI/pdb
• EM Map EMD-11234: EMDB EMDataResource

• Classification: METAL BINDING PROTEIN
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2020-06-29 Released: 2021-07-07 
• Deposition Author(s): Blundell, T.L., Chaplin, A.K., Munir, A.
• Funding Organization(s): Bill & Melinda Gates Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

Cryo-EM as a tool to study KatG from Mycobacterium tuberculosis

Blundell, T.L., Chaplin, A.K., Munir, 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: gel filtration

Macromolecule Content 

• Total Structure Weight: 162.61 kDa 
• Atom Count: 10,791 
• Modeled Residue Count: 1,397 
• Deposited Residue Count: 1,480 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Catalase-peroxidase	A [auth AP1], B [auth BP1]	740	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: katG, AYJ03_010035, ERS007661_00994, ERS013471_02729, ERS024276_01596, ERS075361_01376, ERS094182_01139, F6W99_00474, FRD82_12135 EC: 1.11.1.21
UniProt
Find proteins for P9WIE5 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WIE5  Go to UniProtKB:  P9WIE5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM (Subject of Investigation/LOI)	C [auth AP1], D [auth BP1]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-07-07 
Deposition Author(s): Blundell, T.L., Chaplin, A.K., Munir, A.

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Funding Organization	Location	Grant Number
Bill & Melinda Gates Foundation	United Kingdom	RG 86546

Revision History  

• Version 1.0: 2021-07-07
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Data collection, Database references, Refinement description