8WTK

Crystal structure of Cas3-DExD+MG

• PDB DOI: https://doi.org/10.2210/pdb8WTK/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Pyrococcus horikoshii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-10-18 Released: 2024-07-24 
• Deposition Author(s): Mo, X.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.08 Å
• R-Value Free: 0.270 
• R-Value Work: 0.224 
• R-Value Observed: 0.229 

Literature

Structural insight into dynamic characteristic of the polymerized forms of kinetoplastid membrane protein-11

Mo, X.

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: 60.37 kDa 
• Atom Count: 4,034 
• Modelled Residue Count: 496 
• Deposited Residue Count: 519 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR-associated helicase Cas3	A	519	Pyrococcus horikoshii	Mutation(s): 0  Gene Names: cas3
UniProt
Find proteins for A0A832T690 (Pyrococcus horikoshii) Explore A0A832T690  Go to UniProtKB:  A0A832T690

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG (Subject of Investigation/LOI)	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.08 Å
• R-Value Free: 0.270 
• R-Value Work: 0.224 
• R-Value Observed: 0.229 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 114.756	α = 90
b = 114.756	β = 90
c = 119.632	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-24 
Deposition Author(s): Mo, X.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32071476

Revision History  

• Version 1.0: 2024-07-24
  Type: Initial release