3HA7

Crystal structure of HMA (MMAA4) from mycobacterium tuberculosis complexed with S-adenosyl-N-decyl-aminoethyl (SADAE)

• PDB DOI: https://doi.org/10.2210/pdb3HA7/pdb

• Classification: TRANSFERASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-05-01 Released: 2009-05-12 
• Deposition Author(s): Vaubourgeix, J., Boissier, F., Julien, S., Mourey, L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.243 
• R-Value Work: 0.211 
• R-Value Observed: 0.213 

Literature

SADAE, a potent bisubstrate inhibitor of mycobacterium tuberculosis mycolic acid methyltransferases

Vaubourgeix, J., Bardou, F., Boissier, F., Julien, S., Constant, P., Ploux, O., Daffe, M., Quemard, A., Mourey, L.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 36.99 kDa 
• Atom Count: 2,160 
• Modelled Residue Count: 270 
• Deposited Residue Count: 318 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
METHOXY MYCOLIC ACID SYNTHASE 4	A	318	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: mmaA4, MMAA4 (RV0642C), Rv0642c EC: 2.1.1
UniProt
Find proteins for Q79FX8 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore Q79FX8  Go to UniProtKB:  Q79FX8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
B32	B [auth A]	5'-S-[2-(decylamino)ethyl]-5'-thioadenosine C22 H38 N6 O3 S CJIJFWHOTNCRDA-WGQQHEPDSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.243 
• R-Value Work: 0.211 
• R-Value Observed: 0.213 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.429	α = 90
b = 57.429	β = 90
c = 205.079	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-05-12 
Deposition Author(s): Vaubourgeix, J., Boissier, F., Julien, S., Mourey, L.

Revision History  

• Version 1.0: 2009-05-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description