4EL6

Crystal structure of IPSE/alpha-1 from Schistosoma mansoni eggs

• PDB DOI: https://doi.org/10.2210/pdb4EL6/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Schistosoma mansoni
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-04-10 Released: 2013-04-10 
• Deposition Author(s): Mayerhofer, H., Meyer, H., Tripsianes, K., Barths, D., Blindow, S., Bade, S., Madl, T., Frey, A., Haas, H., Sattler, M., Schramm, G., Mueller-Dieckmann, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.71 Å
• R-Value Free: 
  0.177 (Depositor), 0.179 (DCC) 
• R-Value Work: 
  0.154 (Depositor), 0.153 (DCC) 
• R-Value Observed: 
  0.155 (Depositor) 

Literature

Structure and functional analysis of IPSE/alpha-1, an IL-4-inducing factor secreted from Schistosoma mansoni eggs, reveals an IgE-binding crystallin fold

Mayerhofer, H., Meyer, H., Tripsianes, K., Barths, D., Blindow, S., Bade, S., Madl, T., Frey, A., Haas, H., Sattler, M., Schramm, G.

To be published.

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: 11.98 kDa 
• Atom Count: 913 
• Modelled Residue Count: 97 
• Deposited Residue Count: 106 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IL-4-inducing protein	A	106	Schistosoma mansoni	Mutation(s): 0
UniProt
Find proteins for Q869D4 (Schistosoma mansoni) Explore Q869D4  Go to UniProtKB:  Q869D4

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.71 Å
• R-Value Free:  0.177 (Depositor), 0.179 (DCC) 
• R-Value Work:  0.154 (Depositor), 0.153 (DCC) 
• R-Value Observed: 0.155 (Depositor) 

Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.388	α = 90
b = 54.388	β = 90
c = 56.712	γ = 120

Software Package:

Software Name	Purpose
EDNA	data collection
MOLREP	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-10 
Deposition Author(s): Mayerhofer, H., Meyer, H., Tripsianes, K., Barths, D., Blindow, S., Bade, S., Madl, T., Frey, A., Haas, H., Sattler, M., Schramm, G., Mueller-Dieckmann, J.

Revision History  

• Version 1.0: 2013-04-10
  Type: Initial release
  
• Version 1.1: 2024-11-06
  Changes: Data collection, Database references, Structure summary