6DAV

Crystal Structure of Human DHFR complexed with NADP and N10formyltetrahydrofolate

• PDB DOI: https://doi.org/10.2210/pdb6DAV/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-05-02 Released: 2018-05-16 
• Deposition Author(s): Mayclin, S.J., Dranow, D.M., Lorimer, D.D.
• Funding Organization(s): Bill & Melinda Gates Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.204 
• R-Value Work: 0.165 
• R-Value Observed: 0.167 

Literature

Crystal Structure of Human DHFR complexed with NADP and N10formyltetrahydrofolate

Mayclin, S.J., Dranow, D.M., Walpole, C., Lorimer, D.D.

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)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 45.58 kDa 
• Atom Count: 3,539 
• Modelled Residue Count: 372 
• Deposited Residue Count: 374 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase	A, B	187	Homo sapiens	Mutation(s): 0  Gene Names: DHFR EC: 1.5.1.3
UniProt & NIH Common Fund Data Resources
Find proteins for P00374 (Homo sapiens) Explore P00374  Go to UniProtKB:  P00374
PHAROS:  P00374 GTEx:  ENSG00000228716

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP	C [auth A], F [auth B]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
G3V	D [auth A], G [auth B]	N-(4-{[(2,4-diaminopteridin-6-yl)methyl](hydroxymethyl)amino}benzene-1-carbonyl)-L-glutamic acid C20 H22 N8 O6 KWWKVKGHDTULAH-ZDUSSCGKSA-N
EDO	E [auth A], H [auth B], I [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.204 
• R-Value Work: 0.165 
• R-Value Observed: 0.167 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.09	α = 91.05
b = 42.74	β = 101.88
c = 72.29	γ = 120

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
PHENIX	phasing
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-05-16 
Deposition Author(s): Mayclin, S.J., Dranow, D.M., Lorimer, D.D.

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Funding Organization	Location	Grant Number
Bill & Melinda Gates Foundation	United States	--

Revision History  

• Version 1.0: 2018-05-16
  Type: Initial release
  
• Version 1.1: 2024-03-13
  Changes: Data collection, Database references, Refinement description