4AUD | pdb_00004aud

Crystal structure of alternaria alternata major allergen alt a 1

• PDB DOI: https://doi.org/10.2210/pdb4AUD/pdb

• Classification: ALLERGEN
• Organism(s): Alternaria alternata
• Expression System: Escherichia coli B
• Mutation(s): Yes 


• Deposited: 2012-05-16 Released: 2013-05-29 
• Deposition Author(s): Mechaly, A.E., Ibanez de Opakua, A., Asturias, J., Viguera, A.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.67 Å
• R-Value Free: 
  0.240 (Depositor), 0.244 (DCC) 
• R-Value Work: 
  0.195 (Depositor), 0.196 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Literature

Crystal Structure of Major Allergen of Alternaria Alternata Alt a 1

Mechaly, A.E., Ibanez De Opakua, A., Bermejo, I., Asturias, J., Viguera, A.R.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content 

• Total Structure Weight: 29.03 kDa 
• Atom Count: 1,961 
• Modeled Residue Count: 246 
• Deposited Residue Count: 260 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MAJOR ALLERGEN ALT A 1 SUBUNIT	A, B	130	Alternaria alternata	Mutation(s): 1
UniProt
Find proteins for P79085 (Alternaria alternata) Explore P79085  Go to UniProtKB:  P79085

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.67 Å
• R-Value Free:  0.240 (Depositor), 0.244 (DCC) 
• R-Value Work:  0.195 (Depositor), 0.196 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: P 4₃ 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 141.37	α = 90
b = 141.37	β = 90
c = 141.37	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-29 
Deposition Author(s): Mechaly, A.E., Ibanez de Opakua, A., Asturias, J., Viguera, A.R.

Revision History  

• Version 1.0: 2013-05-29
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Other, Structure summary