1YHO

Solution structure of human dihydrofolate reductase complexed with trimethoprim and nadph, 25 structures

• PDB DOI: https://doi.org/10.2210/pdb1YHO/pdb
• BMRB: 5981

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


• Deposited: 2005-01-10 Released: 2005-11-22 
• Deposition Author(s): Polshakov, V.I., Birdsall, B.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 40 
• Conformers Submitted: 25 
• Selection Criteria: structures with the lowest energy 

Literature

Solution structure of human dihydrofolate reductase in its complex with trimethoprim and NADPH.

Kovalevskaya, N.V., Smurnyy, Y.D., Polshakov, V.I., Birdsall, B., Bradbury, A.F., Frenkiel, T., Feeney, J.

(2005) J Biomol NMR 33: 69-72

• PubMed: 16222560 
• DOI: https://doi.org/10.1007/s10858-005-1475-z
• Primary Citation of Related Structures:  
  1YHO

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Organizational Affiliation: 

Center for Drug Chemistry, Moscow, 119815 , Russia.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 22.39 kDa 
• Atom Count: 1,571 
• Modelled Residue Count: 186 
• Deposited Residue Count: 186 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydrofolate reductase	A	186	Homo sapiens	Mutation(s): 0  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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDP	B [auth A]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N
TRR	C [auth A]	2,4-DIAMINO-5-(3,4,5-TRIMETHOXY-BENZYL)-PYRIMIDIN-1-IUM C14 H19 N4 O3 IEDVJHCEMCRBQM-UHFFFAOYSA-O

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 40 
• Conformers Submitted: 25 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-11-22 
Deposition Author(s): Polshakov, V.I., Birdsall, B.

Revision History  

• Version 1.0: 2005-11-22
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2022-03-02
  Changes: Data collection, Database references, Derived calculations