4D0S

Mtb InhA complex with Pyradizinone compound 14

• PDB DOI: https://doi.org/10.2210/pdb4D0S/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2014-04-29 Released: 2015-05-20 
• Deposition Author(s): Read, J.A., Breed, J., Madhavapeddi, P., Lange, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.64 Å
• R-Value Free: 0.191 
• R-Value Work: 0.170 
• R-Value Observed: 0.171 

Starting Model: experimental

Literature

Pyridazinones: A Novel Scaffold with Excellent Physicochemical Properties and Safety Profile for a Clinically Validated Target of Mycobacterium Tuberculosis

Lange, S.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 118.57 kDa 
• Atom Count: 8,580 
• Modelled Residue Count: 1,022 
• Deposited Residue Count: 1,076 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ENOYL-[ACYL-CARRIER-PROTEIN] REDUCTASE [NADH]	A, B, C, D	269	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  EC: 1.3.1.9
UniProt
Find proteins for P9WGR1 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WGR1  Go to UniProtKB:  P9WGR1

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAD	E [auth A], H [auth B], J [auth C], L [auth D]	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C21 H27 N7 O14 P2 BAWFJGJZGIEFAR-NNYOXOHSSA-N
9G4	F [auth A], I [auth B], K [auth C], M [auth D]	1-{4-[(acetylamino)methyl]phenyl}-4-(4-chlorophenoxy)-6-oxo-1,6-dihydropyridazine-3-carboxamide C20 H17 Cl N4 O4 SYAJIRKWQQECEF-UHFFFAOYSA-N
MG	G [auth A], N [auth D]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.64 Å
• R-Value Free: 0.191 
• R-Value Work: 0.170 
• R-Value Observed: 0.171 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.916	α = 90
b = 111.421	β = 98.46
c = 67.663	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
XDS	data reduction
Aimless	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-05-20 
Deposition Author(s): Read, J.A., Breed, J., Madhavapeddi, P., Lange, S.

Revision History  

• Version 1.0: 2015-05-20
  Type: Initial release
  
• Version 1.1: 2017-09-13
  Changes: Data collection
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description