7CQB | pdb_00007cqb

Crystal structure of mutant of a Petase mutant

• PDB DOI: https://doi.org/10.2210/pdb7CQB/pdb

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


• Deposited: 2020-08-09 Released: 2021-08-11 
• 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

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 
  0.192 (Depositor), 0.204 (DCC) 
• R-Value Work: 
  0.142 (Depositor), 0.157 (DCC) 
• R-Value Observed: 
  0.145 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of mutant of a Petase mutant

Han, X., Liu, W.D., Zheng, Y.Y., Chen, C.C., Guo, R.T.

To be published.

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: 28.99 kDa 
• Atom Count: 2,152 
• Modeled Residue Count: 261 
• Deposited Residue Count: 277 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly(ethylene terephthalate) hydrolase	A	277	Piscinibacter sakaiensis	Mutation(s): 1  Gene Names: ISF6_4831 EC: 3.1.1.101
UniProt
Find proteins for A0A0K8P6T7 (Piscinibacter sakaiensis) Explore A0A0K8P6T7  Go to UniProtKB:  A0A0K8P6T7

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free:  0.192 (Depositor), 0.204 (DCC) 
• R-Value Work:  0.142 (Depositor), 0.157 (DCC) 
• R-Value Observed: 0.145 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.065	α = 90
b = 51.264	β = 90
c = 84.806	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: 2021-08-11 
Deposition Author(s): Han, X., Liu, W.D., Zheng, Y.Y., Chen, C.C., Guo, R.T.

---

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: 2021-08-11
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description
• Version 1.2: 2024-11-06
  Changes: Structure summary