1E3B

CYCLOPHILIN 3 FROM C.ELEGANS COMPLEXED WITH AUP(ET)3

• PDB DOI: https://doi.org/10.2210/pdb1E3B/pdb

• Classification: ISOMERASE
• Organism(s): Caenorhabditis elegans
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2000-06-08 Released: 2000-10-22 
• Deposition Author(s): Zou, J., Taylor, P., Dornan, J., Robinson, S.P., Walkinshaw, M.D., Sadler, P.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.247 
• R-Value Observed: 0.185 

Starting Model: experimental

Literature

First Crystal Structure of a Medicinally Relevant Gold Protein Complex:Unexpected Binding of [Au(Pet (3))](+) to Histidine

Zou, J., Taylor, P., Dornan, J., Robinson, S.P., Walkinshaw, M.D., Sadler, P.J.

(2000) Angew Chem Int Ed Engl 39: 2931

• PubMed: 11028014 
• DOI: https://doi.org/10.1002/1521-3773(20000818)39:16<2931::aid-anie2931>3.0.co;2-w
• Primary Citation of Related Structures:  
  1E3B

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Organizational Affiliation: 

Department of Chemistry The University of Edinburgh, King's Buildings West Mains Road, Edinburgh EH9 3JJ (UK).

Biological Assembly 1  

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

Biological assembly 1 generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 18.89 kDa 
• Atom Count: 1,521 
• Modelled Residue Count: 172 
• Deposited Residue Count: 173 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CYCLOPHILIN 3	A	173	Caenorhabditis elegans	Mutation(s): 0
UniProt
Find proteins for P52011 (Caenorhabditis elegans) Explore P52011  Go to UniProtKB:  P52011

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AU	B [auth A]	GOLD ION Au ZBKIUFWVEIBQRT-UHFFFAOYSA-N
3EP	C [auth A]	TRIETHYLPHOSPHANE C6 H15 P RXJKFRMDXUJTEX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.247 
• R-Value Observed: 0.185 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.157	α = 90
b = 61.157	β = 90
c = 123.077	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELXL-97	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-10-22 
Deposition Author(s): Zou, J., Taylor, P., Dornan, J., Robinson, S.P., Walkinshaw, M.D., Sadler, P.J.

Revision History  

• Version 1.0: 2000-10-22
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2019-05-08
  Changes: Data collection, Experimental preparation, Other
• Version 1.4: 2019-05-22
  Changes: Data collection, Refinement description
• Version 1.5: 2024-05-01
  Changes: Data collection, Database references, Derived calculations, Refinement description