29OO | pdb_000029oo

Putative Polyurethane Degrading Esterase in 2,6-TDI Polypropylene Glycol bound state

• PDB DOI: https://doi.org/10.2210/pdb29OO/pdb

• Classification: HYDROLASE
• Organism(s): Alloalcanivorax xenomutans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2026-03-27 Released: 2026-11-04 
• Deposition Author(s): Bicer, D., Otzen, D.E., Morth, J.P., Thirup, S.S.
• Funding Organization(s): Novo Nordisk Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.56 Å
• R-Value Free: 
  0.196 (Depositor), 0.195 (DCC) 
• R-Value Work: 
  0.163 (Depositor), 0.163 (DCC) 
• R-Value Observed: 
  0.164 (Depositor) 

Starting Model: in silico

Literature

Fragment-based active-site exploration of urethane hydrolases reveals a diversity of urethane binding modes

Bicer, D., Kochubei, D., Graham, R., Pena-Diaz, S., Rotilio, L., Villadsen, N.L., Sommerfeldt, A., Johansen, M.B., Sandahl, A., Thirup, S.S., Morth, J.P., Otzen, D.E.

(2026) Acta Crystallogr D Biol Crystallogr 

• DOI: https://doi.org/10.1107/S2059798326010624

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - B2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - B2 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 60.11 kDa 
• Atom Count: 4,506 
• Modeled Residue Count: 514 
• Deposited Residue Count: 536 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carboxylic ester hydrolase	A	530	Alloalcanivorax xenomutans	Mutation(s): 0  Gene Names: LZG35_08370 EC: 3.1.1
UniProt
Find proteins for A0A9Q3ZCR3 (Alloalcanivorax xenomutans) Explore A0A9Q3ZCR3  Go to UniProtKB:  A0A9Q3ZCR3

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GLU-ASN-LEU-TYR-PHE-GLN	B	6	Alloalcanivorax xenomutans	Mutation(s): 0

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1J34 (Subject of Investigation/LOI)	E [auth A]	[(2~{R})-1-methoxypropan-2-yl] ~{N}-[3-[[(2~{R})-1-methoxypropan-2-yl]oxycarbonylamino]-2-methyl-phenyl]carbamate C17 H26 N2 O6 RGAULLCQNYUZIK-VXGBXAGGSA-N
GOL	C [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	D [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.56 Å
• R-Value Free:  0.196 (Depositor), 0.195 (DCC) 
• R-Value Work:  0.163 (Depositor), 0.163 (DCC) 
• R-Value Observed: 0.164 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.238	α = 90
b = 92.127	β = 90
c = 99.266	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-11-04 
Deposition Author(s): Bicer, D., Otzen, D.E., Morth, J.P., Thirup, S.S.

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Funding Organization	Location	Grant Number
Novo Nordisk Foundation	Denmark	NNF22OC0072891

Revision History  

• Version 1.0: 2026-11-04
  Type: Initial release