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: 95.13 kDa 
• Atom Count: 6,838 
• Modelled Residue Count: 788 
• Deposited Residue Count: 811 
• Unique protein chains: 1

 4J5T

Crystal structure of Processing alpha-Glucosidase I

• PDB DOI: 10.2210/pdb4J5T/pdb

• Classification: HYDROLASE
• Organism(s): Saccharomyces cerevisiae S288C
• Expression System: Komagataella pastoris
• Mutation(s): No 


• Deposited: 2013-02-09 Released: 2013-04-03 
• Deposition Author(s): Barker, M.K., Rose, D.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.235 
• R-Value Work: 0.226 
• R-Value Observed: 0.226 

Literature

Specificity of processing alpha-glucosidase I is guided by the substrate conformation: crystallographic and in silico studies.

Barker, M.K., Rose, D.R.

(2013) J Biol Chem 288: 13563-13574

• PubMed: 23536181 
• DOI: 10.1074/jbc.M113.460436
• Primary Citation of Related Structures:  
  4J5T


• PubMed Abstract: 
  

The enzyme “GluI” is key to the synthesis of critical glycoproteins in the cell.

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Organizational Affiliation: 

Department of Medical Biophysics, University of Toronto, Ontario Cancer Institute, Princess Margaret Hospital, Toronto, Ontario M5G 2M9, Canada. [e-mail]

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mannosyl-oligosaccharide glucosidase	A	811	Saccharomyces cerevisiae S288C	Mutation(s): 0  Gene Names: CWH41, GLS1, YGL027C EC: 3.2.1.106
UniProt
Find proteins for P53008 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P53008  Go to UniProtKB:  P53008

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Chain Length	2D Diagram	Glycosylation
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B, C	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 0.235 
• R-Value Work: 0.226 
• R-Value Observed: 0.226 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.8	α = 90
b = 101.8	β = 90
c = 103.3	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHENIX	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-03 
Deposition Author(s): Barker, M.K., Rose, D.R.

Revision History  

• Version 1.0: 2013-04-03
  Type: Initial release
  
• Version 1.1: 2013-06-19
  Changes: Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary