1DR7

CRYSTAL STRUCTURES OF ORGANOMERCURIAL-ACTIVATED CHICKEN LIVER DIHYDROFOLATE REDUCTASE COMPLEXES

• PDB DOI: https://doi.org/10.2210/pdb1DR7/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Gallus gallus
• Mutation(s): No 


• Deposited: 1992-03-14 Released: 1993-10-31 
• Deposition Author(s): Mctigue, M.A., Davies /II, J.F., Kaufman, B.T., Xuong, N.-H., Kraut, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Observed: 0.158 

Literature

Crystal Structures of Organomercurial-Activated Chicken Liver Dihydrofolate Reductase Complexes

Mctigue, M.A., Davies II, J.F., Kaufman, B.T., Xuong, N.-H., Kraut, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 22.79 kDa 
• Atom Count: 1,575 
• Modelled Residue Count: 186 
• Deposited Residue Count: 189 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DIHYDROFOLATE REDUCTASE	A	189	Gallus gallus	Mutation(s): 0  EC: 1.5.1.3
UniProt
Find proteins for P00378 (Gallus gallus) Explore P00378  Go to UniProtKB:  P00378

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP	C [auth A]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
MBO	D [auth A]	MERCURIBENZOIC ACID C7 H5 Hg O2 FVFZSVRSDNUCGG-UHFFFAOYSA-N
CA	B [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Observed: 0.158 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.72	α = 90
b = 48.74	β = 124.4
c = 63.87	γ = 90

Software Package:

Software Name	Purpose
PROLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1993-10-31 
Deposition Author(s): Mctigue, M.A., Davies /II, J.F., Kaufman, B.T., Xuong, N.-H., Kraut, J.

Revision History  

• Version 1.0: 1993-10-31
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-11-29
  Changes: Derived calculations, Other
• Version 1.4: 2024-02-07
  Changes: Data collection, Database references, Derived calculations