3O0W

Structural basis of carbohydrate recognition by calreticulin

• PDB DOI: https://doi.org/10.2210/pdb3O0W/pdb

• Classification: CHAPERONE
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-07-20 Released: 2010-09-29 
• Deposition Author(s): Kozlov, G., Gehring, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.251 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 

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: 32.01 kDa 
• Atom Count: 2,217 
• Modelled Residue Count: 248 
• Deposited Residue Count: 273 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calreticulin	A	273	Mus musculus	Mutation(s): 1  Gene Names: Calr
UniProt
Find proteins for P14211 (Mus musculus) Explore P14211  Go to UniProtKB:  P14211

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-3)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose	B	4		N/A
Glycosylation Resources
GlyTouCan:  G82436MB GlyCosmos:  G82436MB

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-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: 1.95 Å
• R-Value Free: 0.251 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.727	α = 90
b = 43.769	β = 90
c = 133.34	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
SHELXS	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-29 
Deposition Author(s): Kozlov, G., Gehring, K.

Revision History  

• Version 1.0: 2010-09-29
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-07-26
  Changes: Refinement description, Source and taxonomy
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary