9XEM | pdb_00009xem

PET hydrolase mutant

PDB DOI: https://doi.org/10.2210/pdb9XEM/pdb

Classification: HYDROLASE
Organism(s): Pseudideonella sakaiensis
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-10-28 Released: 2026-11-04
Deposition Author(s): Ma, X., Lu, Y.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.55 Å
R-Value Free:
0.202 (Depositor), 0.212 (DCC)
R-Value Work:
0.171 (Depositor), 0.185 (DCC)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

Three-directional engineering of IsPETase with enhanced protein yield, activity, and durability

(2023) J Hazard Mater 459

DOI: https://doi.org/10.1016/j.jhazmat.2023.132297.

Macromolecule Content

Total Structure Weight: 28.99 kDa
Atom Count: 2,000
Modeled Residue Count: 263
Deposited Residue Count: 273
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PET hydrolase Z1PETase mutant	A	273	Pseudideonella sakaiensis	Mutation(s): 0 EC: 3.1.1.101
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.55 Å
R-Value Free: 0.202 (Depositor), 0.212 (DCC)
R-Value Work: 0.171 (Depositor), 0.185 (DCC)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.625	α = 90
b = 50.654	β = 90
c = 110.455	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing
Coot	model building

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-11-04

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History (Full details and data files)

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