1JLX

AGGLUTININ IN COMPLEX WITH T-DISACCHARIDE

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Work: 0.196 
  • R-Value Observed: 0.196 

Starting Model: experimental
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This is version 2.1 of the entry. See complete history. 


Literature

Structure of benzyl T-antigen disaccharide bound to Amaranthus caudatus agglutinin.

Transue, T.R., Smith, A.K., Mo, H., Goldstein, I.J., Saper, M.A.

(1997) Nat Struct Biol 4: 779-783

  • DOI: https://doi.org/10.1038/nsb1097-779
  • Primary Citation of Related Structures:  
    1JLX, 1JLY

  • PubMed Abstract: 

    Amaranthus caudatus agglutinin contains a novel arrangement of four beta-trefoil domains. The sugar-binding site provides specificity for the carcinoma-associated T-antigen disaccharide even when 'masked' by other sugars.


Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
AGGLUTININ
A, B
303Amaranthus caudatusMutation(s): 0 
UniProt
Find proteins for Q71QF2 (Amaranthus caudatus)
Explore Q71QF2 
Go to UniProtKB:  Q71QF2
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ71QF2
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

Help

Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D Interactions
beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-alpha-D-galactopyranose
C, D
2N/A
Glycosylation Resources
GlyTouCan:  G00031MO
GlyCosmos:  G00031MO
GlyGen:  G00031MO
Biologically Interesting Molecules (External Reference) 1 Unique
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Work: 0.196 
  • R-Value Observed: 0.196 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 111.3α = 90
b = 99.2β = 90
c = 66.3γ = 90
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1997-12-03
    Type: Initial release
  • Version 1.1: 2008-03-10
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Database references, Derived calculations, Other, Structure summary
  • Version 2.1: 2023-08-09
    Changes: Database references, Refinement description, Structure summary