7FQG

DHFR:NADP+:FOL complex (crystal 2, pass 5, 295 K)

• PDB DOI: https://doi.org/10.2210/pdb7FQG/pdb
• Deposition Group: G_1002250 ExploreG_1002250

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-09-12 Released: 2023-09-20 
• Deposition Author(s): Greisman, J.B., Dalton, K.M., Brookner, D.E., Hekstra, D.R.
• Funding Organization(s): Searle Scholars Program, George W. Merck Fund in the New York Community Trust, National Institutes of Health/Office of the Director, National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.19 Å
• R-Value Free: 0.164 
• R-Value Work: 0.131 
• R-Value Observed: 0.133 

Literature

Single-crystal, multi-temperature experiment of DHFR:NADP+:FOL complex

Greisman, J.B., Dalton, K.M., Brookner, D.E., Hekstra, D.R.

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: 19.4 kDa 
• Atom Count: 1,814 
• Modelled Residue Count: 159 
• Deposited Residue Count: 159 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase	A	159	Escherichia coli K-12	Mutation(s): 0  Gene Names: folA, tmrA, b0048, JW0047 EC: 1.5.1.3
UniProt
Find proteins for P0ABQ4 (Escherichia coli (strain K12)) Explore P0ABQ4  Go to UniProtKB:  P0ABQ4

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP (Subject of Investigation/LOI)	C [auth A]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
FOL (Subject of Investigation/LOI)	B [auth A]	FOLIC ACID C19 H19 N7 O6 OVBPIULPVIDEAO-LBPRGKRZSA-N
MN	D [auth A], E [auth A], F [auth A]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSD	A	L-PEPTIDE LINKING	C3 H7 N O4 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.19 Å
• R-Value Free: 0.164 
• R-Value Work: 0.131 
• R-Value Observed: 0.133 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 34.279	α = 90
b = 45.677	β = 90
c = 99.04	γ = 90

Software Package:

Software Name	Purpose
DIALS	data reduction
DIALS	data scaling
PHENIX	refinement
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-09-20 
Deposition Author(s): Greisman, J.B., Dalton, K.M., Brookner, D.E., Hekstra, D.R.

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Funding Organization	Location	Grant Number
Searle Scholars Program	United States	SSP-2018-3240
George W. Merck Fund in the New York Community Trust	United States	338034
National Institutes of Health/Office of the Director	United States	DP2-GM141000
National Science Foundation (NSF, United States)	United States	DGE1745303

Revision History  

• Version 1.0: 2023-09-20
  Type: Initial release