1DP5

THE STRUCTURE OF PROTEINASE A COMPLEXED WITH A IA3 MUTANT INHIBITOR

• PDB DOI: https://doi.org/10.2210/pdb1DP5/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Saccharomyces cerevisiae
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 1999-12-23 Released: 2000-05-03 
• Deposition Author(s): Li, M., Phylip, H.L., Lees, W.E., Winther, J.R., Dunn, B.M., Wlodawer, A., Kay, J., Guschina, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.235 
• R-Value Work: 0.188 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 45.06 kDa 
• Atom Count: 3,266 
• Modelled Residue Count: 360 
• Deposited Residue Count: 397 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEINASE A	A	329	Saccharomyces cerevisiae	Mutation(s): 0  EC: 3.4.23.25
UniProt
Find proteins for P07267 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P07267  Go to UniProtKB:  P07267

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEINASE INHIBITOR IA3	B	68	Saccharomyces cerevisiae	Mutation(s): 2
UniProt
Find proteins for P01094 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P01094  Go to UniProtKB:  P01094

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	9		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G54269AZ GlyCosmos:  G54269AZ GlyGen:  G54269AZ

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.235 
• R-Value Work: 0.188 
• Space Group: P 6₂ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 192.66	α = 90
b = 192.66	β = 90
c = 52.08	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-05-03 
Deposition Author(s): Li, M., Phylip, H.L., Lees, W.E., Winther, J.R., Dunn, B.M., Wlodawer, A., Kay, J., Guschina, A.

Revision History  

• Version 1.0: 2000-05-03
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2021-11-03
  Changes: Advisory, Database references, Structure summary