8XVF

Globular domain of Trichinella spiralis calreticulin

• PDB DOI: https://doi.org/10.2210/pdb8XVF/pdb

• Classification: CHAPERONE
• Organism(s): Trichinella spiralis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-01-15 Released: 2024-04-03 
• Deposition Author(s): Zhu, X.P., Jia, Z.H., Yu, W.
• Funding Organization(s): National Natural Science Foundation of China (NSFC), Other government

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.243 
• R-Value Work: 0.194 
• R-Value Observed: 0.196 

Starting Model: in silico

Literature

structure of globular domain of Trichinella spiralis calreticulin at 2.76 Angstroms resolution.

Zhu, X.P., Jia, Z.H., Yu, W.

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Biological Assembly 5  

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

Biological assembly 5 assigned by authors.

Biological Assembly 6  

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

Biological assembly 6 assigned by authors.

Biological Assembly 7  

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

Biological assembly 7 assigned by authors.

Biological Assembly 8  

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

Biological assembly 8 assigned by authors.

Macromolecule Content

• Total Structure Weight: 253.91 kDa 
• Atom Count: 16,893 
• Modelled Residue Count: 2,008 
• Deposited Residue Count: 2,184 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calreticulin	A, B, C, D, E, F, G, H	273	Trichinella spiralis	Mutation(s): 0  Gene Names: CALR, T01_9409
UniProt
Find proteins for A0A0V1BA72 (Trichinella spiralis) Explore A0A0V1BA72  Go to UniProtKB:  A0A0V1BA72

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA (Subject of Investigation/LOI)	I [auth A], J [auth B], K [auth C], L [auth D], M [auth E], N [auth F], O [auth G], P [auth H]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.243 
• R-Value Work: 0.194 
• R-Value Observed: 0.196 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.516	α = 90
b = 154.074	β = 108.32
c = 100.781	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-03 
Deposition Author(s): Zhu, X.P., Jia, Z.H., Yu, W.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81672042
National Natural Science Foundation of China (NSFC)	China	82202549
Other government	China	7214213

Revision History  

• Version 1.0: 2024-04-03
  Type: Initial release
  
• Version 1.1: 2024-10-16
  Changes: Structure summary