9PQY | pdb_00009pqy

Structure of ACP domain conjugated with stearic acid and interacting with MPT domain from M. tuberculosis type-I FAS

• PDB DOI: https://doi.org/10.2210/pdb9PQY/pdb
• EM Map EMD-71793: EMDB EMDataResource

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


• Deposited: 2025-07-23 Released: 2025-12-10 
• Deposition Author(s): Mazhab-Jafari, M.T., Samani, E.K.
• Funding Organization(s): Canadian Institutes of Health Research (CIHR), Natural Sciences and Engineering Research Council (NSERC, Canada)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.51 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

Structural basis of product recognition by Mycobacterium Tuberculosis fatty acid synthase

Samani, E.K., Mazhab-Jafari, M.T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 653.82 kDa 
• Atom Count: 4,476 
• Modeled Residue Count: 581 
• Deposited Residue Count: 6,138 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3-oxoacyl-ACP synthase	A	3,069	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: kasA_2, A4S10_02647, DKC2_2660, DSJ38_17120, ERS094118_02070, SAMEA2682864_02566 EC: 2.3.1.41
UniProt
Find proteins for A0A9P1LAJ1 (Mycobacterium tuberculosis) Explore A0A9P1LAJ1  Go to UniProtKB:  A0A9P1LAJ1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty acid synthase	B	3,069	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: fas, J8J21_09265
UniProt
Find proteins for A0ABD4PYJ0 (Mycobacterium tuberculosis) Explore A0ABD4PYJ0  Go to UniProtKB:  A0ABD4PYJ0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.51 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-12-10 
Deposition Author(s): Mazhab-Jafari, M.T., Samani, E.K.

---

Funding Organization	Location	Grant Number
Canadian Institutes of Health Research (CIHR)	Canada	195698
Canadian Institutes of Health Research (CIHR)	Canada	419240
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	RGPIN-2018-06070

Revision History  

• Version 1.0: 2025-12-10
  Type: Initial release