8TA1

Crystal Structure of Dihydrofolate reductase (DHFR) from Mycobacterium ulcerans Agy99 in complex with NADP and inhibitor MAM907

• PDB DOI: https://doi.org/10.2210/pdb8TA1/pdb

• Classification: OXIDOREDUCTASE/INHIBITOR
• Organism(s): Mycobacterium ulcerans Agy99
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2023-06-26 Released: 2024-08-28 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease, Seattle Structural Genomics Center for Infectious Disease (SSGCID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.167 
• R-Value Work: 0.146 
• R-Value Observed: 0.148 

Starting Model: experimental

Literature

Crystal Structure of Dihydrofolate reductase (DHFR) from Mycobacterium ulcerans Agy99 in complex with NADP and inhibitor MAM907

Woodward, E.L., Lovell, S., Mian, M.R., Seibold, S.

To be published.

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: 20.66 kDa 
• Atom Count: 1,588 
• Modelled Residue Count: 163 
• Deposited Residue Count: 173 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase	A	173	Mycobacterium ulcerans Agy99	Mutation(s): 2  Gene Names: dfrA, MUL_2179 EC: 1.5.1.3
UniProt
Find proteins for A0PQG8 (Mycobacterium ulcerans (strain Agy99)) Explore A0PQG8  Go to UniProtKB:  A0PQG8

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP	E [auth A]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
EII (Subject of Investigation/LOI)	D [auth A]	3-(2-{3-[(2,4-diamino-6-cyclohexylpyrimidin-5-yl)oxy]propoxy}phenyl)propanoic acid C22 H30 N4 O4 LMSJEWOKYLUOAL-UHFFFAOYSA-N
PG4	F [auth A], G [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
ACT	C [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
NA	B [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.167 
• R-Value Work: 0.146 
• R-Value Observed: 0.148 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 28.722	α = 90
b = 66.265	β = 92.21
c = 44.138	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-28 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease, Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93022C00036

Revision History  

• Version 1.0: 2024-08-28
  Type: Initial release