7RZO

Crystal structure of a dihydrofolate reductase (folA) from Stenotrophomonas maltophilia

• PDB DOI: https://doi.org/10.2210/pdb7RZO/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Stenotrophomonas maltophilia K279a
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-08-27 Released: 2021-10-20 
• Deposition Author(s): 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: 1.80 Å
• R-Value Free: 0.187 
• R-Value Work: 0.157 
• R-Value Observed: 0.160 

Starting Model: experimental

Literature

Crystal Structure of dihydrofolate reductase from Stenotrophomonas maltophilia K279a

Mayclin, S.J., Abendroth, J., Lorimer, D.D., Horanyi, P.S., Edwards, T.E.

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: 19.43 kDa 
• Atom Count: 1,602 
• Modelled Residue Count: 164 
• Deposited Residue Count: 171 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase	A	171	Stenotrophomonas maltophilia K279a	Mutation(s): 0  Gene Names: folA, Smlt0814 EC: 1.5.1.3
UniProt
Find proteins for B2FPG1 (Stenotrophomonas maltophilia (strain K279a)) Go to UniProtKB:  B2FPG1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	B [auth A], D [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.187 
• R-Value Work: 0.157 
• R-Value Observed: 0.160 
• Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 104.17	α = 90
b = 104.17	β = 90
c = 87.64	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-10-20 
Deposition Author(s): 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	--

Revision History  

• Version 1.0: 2021-10-20
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description