9B78

Mycobacterium tuberculosis CoaX Homohexamer

• PDB DOI: https://doi.org/10.2210/pdb9B78/pdb
• EM Map EMD-44303: EMDB EMDataResource

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


• Deposited: 2024-03-27 Released: 2024-11-13 
• Deposition Author(s): Chen, J., Ekiert, D.C., Bhabha, G.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.59 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

Identification of a proteolysis regulator for an essential enzyme in Mycobacterium tuberculosis

Kahne, S.C., Yoo, J.H., Chen, J., Nakedi, K., Iyer, L.M., Putzel, G., Samhadaneh, N.M., Pironti, A., Aravind, L., Ekiert, D.C., Bhabha, G., Rhee, K.Y., Darwin, H.

(2024) Proc Natl Acad Sci U S A 

• DOI: https://doi.org/10.1073/pnas.2407239121

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 176.05 kDa 
• Atom Count: 11,814 
• Modelled Residue Count: 1,566 
• Deposited Residue Count: 1,632 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Type III pantothenate kinase	A, B, C, D, E, F	272	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names:  coaX, A4S10_03769, ERS007665_01672, ERS007679_02995, ERS007681_02234, ERS007688_03164, ERS007703_03054, ERS007741_04247, ERS027646_01657, ERS027659_02906, ERS053720_02846, GJE03_18915, SAMEA2683035_00698 EC: 2.7.1.33
UniProt
Find proteins for A0A045I4Z4 (Mycobacterium tuberculosis) Explore A0A045I4Z4  Go to UniProtKB:  A0A045I4Z4

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.59 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.31
MODEL REFINEMENT	PHENIX	v1.20.19

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-11-13 
Deposition Author(s): Chen, J., Ekiert, D.C., Bhabha, G.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	P30CA016087
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	5R01AI174646-02

Revision History  

• Version 1.0: 2024-11-13
  Type: Initial release