3IVC

Crystal structure of pantothenate synthetase in complex with 2-(2-((benzofuran-2-ylmethoxy)carbonyl)-5-methoxy-1H-indol-1-yl)acetic acid

• PDB DOI: https://doi.org/10.2210/pdb3IVC/pdb

• Classification: LIGASE
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2009-08-31 Released: 2009-10-13 
• Deposition Author(s): Silvestre, H.L., Hung, A.W., Wen, S., Ciulli, A., Blundell, T.L., Abell, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Work: 0.165 

Starting Model: experimental

Literature

Application of fragment growing and fragment linking to the discovery of inhibitors of Mycobacterium tuberculosis pantothenate synthetase.

Hung, A.W., Silvestre, H.L., Wen, S., Ciulli, A., Blundell, T.L., Abell, C.

(2009) Angew Chem Int Ed Engl 48: 8452-8456

• PubMed: 19780086 
• DOI: https://doi.org/10.1002/anie.200903821
• Primary Citation of Related Structures:  
  3IMC, 3IME, 3IMG, 3ISJ, 3IUB, 3IUE, 3IVC, 3IVG, 3IVX

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Organizational Affiliation: 

Department of Chemistry, University of Cambridge, UK.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 65.01 kDa 
• Atom Count: 4,811 
• Modelled Residue Count: 575 
• Deposited Residue Count: 602 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pantothenate synthetase	A, B	301	Mycobacterium tuberculosis	Mutation(s): 2  Gene Names: MT3707, MTCY07H7B.20, panC, Rv3602c EC: 6.3.2.1
UniProt
Find proteins for P9WIL5 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Go to UniProtKB:  P9WIL5

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FG4	C [auth A], K [auth B]	{2-[(1-benzofuran-2-ylmethoxy)carbonyl]-5-methoxy-1H-indol-1-yl}acetic acid C21 H17 N O6 CKGFVKXFHXZPEW-UHFFFAOYSA-N
SO4	I [auth A], J [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], L [auth B], M [auth B], O [auth B], P [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EOH	N [auth B], Q [auth B]	ETHANOL C2 H6 O LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
FG4	PDBBind:  3IVC	Kd: 7.50e+4 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Work: 0.165 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.19	α = 90
b = 69.96	β = 100.25
c = 82.17	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASES	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-13 
Deposition Author(s): Silvestre, H.L., Hung, A.W., Wen, S., Ciulli, A., Blundell, T.L., Abell, C.

Revision History  

• Version 1.0: 2009-10-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2021-10-13
  Changes: Database references, Derived calculations
• Version 1.3: 2023-09-06
  Changes: Data collection, Refinement description