8KEU

Crystal Structures of Endo-beta-1,4-xylanase II mutant T2CT28C

• PDB DOI: https://doi.org/10.2210/pdb8KEU/pdb

• Classification: HYDROLASE
• Organism(s): Trichoderma reesei
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2023-08-13 Released: 2024-08-14 
• Deposition Author(s): Li, Z.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 0.149 
• R-Value Work: 0.135 
• R-Value Observed: 0.136 

Starting Model: in silico

Literature

High resolution crystal structure of xylanase T2CT28C

Li, Z.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 21.59 kDa 
• Atom Count: 1,797 
• Modelled Residue Count: 190 
• Deposited Residue Count: 190 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Endo-1,4-beta-xylanase II	A	190	Trichoderma reesei	Mutation(s): 2
UniProt
Find proteins for B2CZF9 (Hypocrea jecorina) Explore B2CZF9  Go to UniProtKB:  B2CZF9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MES	B [auth A], C [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
IOD	D [auth A], E [auth A], F [auth A]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.10 Å
• R-Value Free: 0.149 
• R-Value Work: 0.135 
• R-Value Observed: 0.136 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.119	α = 90
b = 59.298	β = 90
c = 69.782	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-14 
Deposition Author(s): Li, Z.

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Funding Organization	Location	Grant Number
Not funded	China	--

Revision History  

• Version 1.0: 2024-08-14
  Type: Initial release