7W45

Complex structure of a leaf-branch compost cutinase variant LCC ICCG_KIP

• PDB DOI: https://doi.org/10.2210/pdb7W45/pdb

• Classification: HYDROLASE
• Organism(s): unidentified prokaryotic organism
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2021-11-26 Released: 2022-03-09 
• Deposition Author(s): Niu, D., Zeng, W., Huang, J.W., Chen, C.C., Liu, W.D., Guo, R.T.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.200 
• R-Value Work: 0.153 
• R-Value Observed: 0.156 

Starting Model: experimental

Literature

Substrate-Binding Mode of a Thermophilic PET Hydrolase and Engineering the Enzyme to Enhance the Hydrolytic Efficacy.

Zeng, W., Li, X., Yang, Y., Min, J., Huang, J.-W., Liu, W., Niu, D., Yang, X., Han, X., Zhang, L., Dai, L., Chen, C.-C., Guo, R.-T.

(2022) ACS Catal 12: 3033-3040

• DOI: https://doi.org/10.1021/acscatal.1c05800

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 57.28 kDa 
• Atom Count: 4,462 
• Modelled Residue Count: 517 
• Deposited Residue Count: 540 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Leaf-branch compost cutinase	A, B	270	unidentified prokaryotic organism	Mutation(s): 3  EC: 3.1.1.74 (PDB Primary Data), 3.1.1.101 (PDB Primary Data)
UniProt
Find proteins for G9BY57 (Unknown prokaryotic organism) Explore G9BY57  Go to UniProtKB:  G9BY57

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	D [auth A], E [auth A], F [auth B], G [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
NA	C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.200 
• R-Value Work: 0.153 
• R-Value Observed: 0.156 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.37	α = 90
b = 84.77	β = 90
c = 147.512	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
SAINT	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-03-09 
Deposition Author(s): Niu, D., Zeng, W., Huang, J.W., Chen, C.C., Liu, W.D., Guo, R.T.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2022-03-09
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description
• Version 1.2: 2024-11-13
  Changes: Structure summary