1LUD

SOLUTION STRUCTURE OF DIHYDROFOLATE REDUCTASE COMPLEXED WITH TRIMETHOPRIM AND NADPH, 24 STRUCTURES

• PDB DOI: https://doi.org/10.2210/pdb1LUD/pdb
• BMRB: 5396

• Classification: OXIDOREDUCTASE
• Organism(s): Lacticaseibacillus casei
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2002-05-22 Released: 2002-12-18 
• Deposition Author(s): Polshakov, V.I., Smirnov, E.G., Birdsall, B., Kelly, G., Feeney, J.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 32 
• Conformers Submitted: 24 
• Selection Criteria: structures with the least restraint violations 

Literature

NMR-based solution structure of the complex of Lactobacillus casei dihydrofolate reductase with trimethoprim and NADPH

Polshakov, V.I., Smirnov, E.G., Birdsall, B., Kelly, G., Feeney, J.

(2002) J Biomol NMR 24: 67-70

• PubMed: 12449420 
• DOI: https://doi.org/10.1023/a:1020659713373
• Primary Citation of Related Structures:  
  1LUD

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 19.37 kDa 
• Atom Count: 1,366 
• Modelled Residue Count: 162 
• Deposited Residue Count: 162 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DIHYDROFOLATE REDUCTASE	A	162	Lacticaseibacillus casei	Mutation(s): 0  EC: 1.5.1.3
UniProt
Find proteins for P00381 (Lacticaseibacillus casei) Explore P00381  Go to UniProtKB:  P00381

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: 32 
• Conformers Submitted: 24 
• Selection Criteria: structures with the least restraint violations 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-12-18 
Deposition Author(s): Polshakov, V.I., Smirnov, E.G., Birdsall, B., Kelly, G., Feeney, J.

Revision History  

• Version 1.0: 2002-12-18
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2016-12-28
  Changes: Database references
• Version 1.4: 2024-05-01
  Changes: Data collection, Database references, Derived calculations