1MSA

MANNOSE-SPECIFIC AGGLUTININ (LECTIN) FROM SNOWDROP (GALANTHUS NIVALIS) BULBS COMPLEXED WITH METHYL-ALPHA-D-MANNOSIDE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.29 Å
  • R-Value Free: 0.240 
  • R-Value Work: 0.177 
  • R-Value Observed: 0.177 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Structure of mannose-specific snowdrop (Galanthus nivalis) lectin is representative of a new plant lectin family.

Hester, G.Kaku, H.Goldstein, I.J.Wright, C.S.

(1995) Nat Struct Biol 2: 472-479

  • DOI: 10.1038/nsb0695-472
  • Primary Citation of Related Structures:  
    1MSA

  • PubMed Abstract: 
  • Tetrameric Galanthus nivalis agglutinin (50,000 M(r)) belongs to a super-family of alpha-D-mannose-specific plant bulb lectins known to be potent inhibitors of retroviruses. The 2.3 A crystal structure of this lectin complexed with methyl alpha-D-mannose reveals a novel three-fold symmetric beta-sheet polypeptide fold ...

    Tetrameric Galanthus nivalis agglutinin (50,000 M(r)) belongs to a super-family of alpha-D-mannose-specific plant bulb lectins known to be potent inhibitors of retroviruses. The 2.3 A crystal structure of this lectin complexed with methyl alpha-D-mannose reveals a novel three-fold symmetric beta-sheet polypeptide fold. Three antiparallel four-stranded beta-sheets, each with a conserved mannose-binding site, are arranged as a 12-stranded beta-barrel. The tetramer displays 222 symmetry. Pairs of monomers form stable dimers through C-terminal strand exchange. The so formed hybrid beta-sheets are the sites for high affinity mannose binding in the dimer interface. Occupancy observed at corresponding sites in other beta-sheets suggests a potential for twelve sites per tetramer.


    Related Citations: 
    • Biosynthesis, Primary Structure and Molecular Cloning of Snowdrop (Galanthus Nivalis) Lectin
      Van Damme, E.J.M., Kaku, H., Perini, F., Goldstein, I.J., Peeters, B., Yagi, F., Decock, B., Peumans, W.J.
      (1991) Eur J Biochem 202: 23
    • Crystallization and Preliminary X-Ray Diffraction Results of Snowdrop (Galanthus Nivalis) Lectin
      Wright, C.S., Kaku, H., Goldstein, I.J.
      (1990) J Biol Chem 265: 1676

    Organizational Affiliation

    Department of Biochemistry, Virginia Commonwealth University, Richmond 23298, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
AGGLUTININ ABCD109Galanthus nivalisMutation(s): 0 
Find proteins for P30617 (Galanthus nivalis)
Explore P30617 
Go to UniProtKB:  P30617
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.29 Å
  • R-Value Free: 0.240 
  • R-Value Work: 0.177 
  • R-Value Observed: 0.177 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 138.82α = 90
b = 64.11β = 90
c = 62.08γ = 90
Software Package:
Software NamePurpose
SOFTWAREdata collection
X-PLORmodel building
X-PLORrefinement
SOFTWAREdata reduction
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1995-09-15
    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: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Derived calculations, Other, Structure summary