8EU1 | pdb_00008eu1

Ancestral PETase 35_442 Mutant F93L

• PDB DOI: https://doi.org/10.2210/pdb8EU1/pdb

• Classification: HYDROLASE
• Organism(s): synthetic construct
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-10-18 Released: 2023-11-01 
• Deposition Author(s): Saunders, J.W., Frkic, R.L., Jackson, C.J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free: 
  0.294 (Depositor), 0.278 (DCC) 
• R-Value Work: 
  0.243 (Depositor), 0.229 (DCC) 
• R-Value Observed: 
  0.246 (Depositor) 

Starting Model: experimental

Literature

Ancestral PETase 35_442 Mutant F93L

Saunders, J., Frkic, R.L., Jackson, C.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: 30.58 kDa 
• Atom Count: 2,067 
• Modeled Residue Count: 260 
• Deposited Residue Count: 281 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyethylene terephthalate hydrolase	A	281	synthetic construct	Mutation(s): 0

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	D [auth A], E [auth A], F [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
EDO	G [auth A], H [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
NA	B [auth A], C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free:  0.294 (Depositor), 0.278 (DCC) 
• R-Value Work:  0.243 (Depositor), 0.229 (DCC) 
• R-Value Observed: 0.246 (Depositor) 

Space Group: C 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.92	α = 90
b = 148.624	β = 90
c = 55.893	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-11-01 
Deposition Author(s): Saunders, J.W., Frkic, R.L., Jackson, C.J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-11-01
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Structure summary
• Version 1.2: 2026-03-04
  Changes: Refinement description