1JLY

CRYSTAL STRUCTURE OF AMARANTHUS CAUDATUS AGGLUTININ

• PDB DOI: https://doi.org/10.2210/pdb1JLY/pdb

• Classification: LECTIN
• Organism(s): Amaranthus caudatus
• Mutation(s): No 


• Deposited: 1997-07-23 Released: 1997-12-03 
• Deposition Author(s): Transue, T.R., Smith, A.K., Mo, H., Goldstein, I.J., Saper, M.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.246 
• R-Value Work: 0.174 
• R-Value Observed: 0.174 

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

• PubMed: 9334739 
• DOI: https://doi.org/10.1038/nsb1097-779
• Primary Citation of Related Structures:  
  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.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 69.65 kDa 
• Atom Count: 5,188 
• Modelled Residue Count: 600 
• Deposited Residue Count: 608 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AGGLUTININ	A, B	304	Amaranthus caudatus	Mutation(s): 0
UniProt
Find proteins for Q71QF2 (Amaranthus caudatus) Explore Q71QF2  Go to UniProtKB:  Q71QF2

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.246 
• R-Value Work: 0.174 
• R-Value Observed: 0.174 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 111.3	α = 90
b = 99.1	β = 90
c = 66.4	γ = 90

Software Package:

Software Name	Purpose
PHASES	phasing
X-PLOR	model building
X-PLOR	refinement
SDMS	data reduction
SDMS	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-12-03 
Deposition Author(s): Transue, T.R., Smith, A.K., Mo, H., Goldstein, I.J., Saper, M.A.

Revision History  

• Version 1.0: 1997-12-03
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2013-02-20
  Changes: Derived calculations