7CY0

Crystal structure of S185H mutant PET hydrolase from Ideonella sakaiensis

• PDB DOI: https://doi.org/10.2210/pdb7CY0/pdb

• Classification: HYDROLASE
• Organism(s): Piscinibacter sakaiensis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2020-09-03 Released: 2021-05-26 
• Deposition Author(s): Han, X., Liu, W.D., Zheng, Y.Y., Chen, C.C., Guo, R.T.
• Funding Organization(s): National Natural Science Foundation of China (NSFC), Chinese Academy of Sciences

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.32 Å
• R-Value Free: 0.166 
• R-Value Work: 0.144 
• R-Value Observed: 0.145 

Starting Model: experimental

Literature

General features to enhance enzymatic activity of poly(ethylene terephthalate) hydrolysis.

Che, C.C., Han, X., Li, X., Jiang, P., Niu, D., Ma, L., Liu, W., Li, S., Qu, Y., Hu, H., Min, J., Yang, Y., Zhang, L., Zeng, W., Huang, J.W., Dai, L., Guo, R.T.

(2021) Nat Catal 4: 425-430

• DOI: https://doi.org/10.1038/s41929-021-00616-y

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 27.47 kDa 
• Atom Count: 2,269 
• Modelled Residue Count: 261 
• Deposited Residue Count: 261 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly(ethylene terephthalate) hydrolase	A	261	Piscinibacter sakaiensis	Mutation(s): 3  Gene Names: ISF6_4831 EC: 3.1.1.101
UniProt
Find proteins for A0A0K8P6T7 (Piscinibacter sakaiensis) Explore A0A0K8P6T7  Go to UniProtKB:  A0A0K8P6T7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACY	B [auth A], C [auth A], D [auth A]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.32 Å
• R-Value Free: 0.166 
• R-Value Work: 0.144 
• R-Value Observed: 0.145 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.925	α = 90
b = 51.806	β = 90
c = 84.287	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-05-26 
Deposition Author(s): Han, X., Liu, W.D., Zheng, Y.Y., Chen, C.C., Guo, R.T.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	3180062
Chinese Academy of Sciences	China	KFJ-STS-ZDTP-064

Revision History  

• Version 1.0: 2021-05-26
  Type: Initial release
  
• Version 1.1: 2021-06-02
  Changes: Database references, Structure summary
• Version 1.2: 2023-11-29
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2024-11-13
  Changes: Structure summary