8QZH

Crystal structure of apo-PptT from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb8QZH/pdb

• Classification: TRANSFERASE
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-10-27 Released: 2024-06-19 
• Deposition Author(s): Gavalda, S., Carivenc, C., Mourey, L., Pedelacq, J.D.
• Funding Organization(s): Agence Nationale de la Recherche (ANR)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.234 
• R-Value Work: 0.206 
• R-Value Observed: 0.207 

Literature

Catalytic Cycle of Type II 4'-Phosphopantetheinyl Transferases

Gavalda, S., Faille, A., Fioccola, S., Nguyen, M.C., Carivenc, C., Rottier, K., Rufin, Y., Saitta, S., Czaplicki, G., Guilhot, C., Chalut, C., Brut, M., Mourey, L., Pedelacq, J.D.

(2024) ACS Catal 14: 8561-8575

• DOI: https://doi.org/10.1021/acscatal.3c06249

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 27.16 kDa 
• Atom Count: 1,971 
• Modelled Residue Count: 236 
• Deposited Residue Count: 247 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4'-phosphopantetheinyl transferase PptT	A	247	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: pptT
UniProt
Find proteins for O33336 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore O33336  Go to UniProtKB:  O33336

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACT (Subject of Investigation/LOI)	B [auth A], C [auth A], D [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
MG (Subject of Investigation/LOI)	E [auth A], F [auth A], G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.234 
• R-Value Work: 0.206 
• R-Value Observed: 0.207 
• Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.169	α = 90
b = 46.169	β = 90
c = 181.66	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data processing
XDS	data reduction
Coot	model building
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Gavalda, S., Carivenc, C., Mourey, L., Pedelacq, J.D.

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Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	09-BLAN-0298-01

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release