Skip to main content
Log in

Isolation and Characterization of a Lectin from Annona muricata Seeds

  • Published:
Journal of Protein Chemistry Aims and scope Submit manuscript

Abstract

A lectin with a high affinity for glucose/mannose was isolated from Annona muricata seeds (Annonaceae) by gel filtration chromatography on Sephacryl S-200, ion exchange chromatography on a DEAE SP-5 PW column, and molecular exclusion on a Protein Pak Glass 300 SW column. Sodium dodecyl sulfate polyacrylamide gel electrophoresis (PAGE) yielded two protein bands of approximately 14 kDa and 22 kDa. However, only one band was seen in native PAGE. The M r of the lectin estimated by fast-performance liquid chromatography–gel filtration on Superdex 75 was 22 kDa. The lectin was a glycoprotein with 8% carbohydrate (neutral sugar) and required divalent metal cations (Ca2+, Mg2+, and Mn2+) for full activity. Amino acid analysis revealed a large content of Glx, Gly, Phe, and Lys. The lectin agglutinated dog, chicken, horse, goose, and human erythrocytes and inhibited the growth of the fungi Fusarium oxysporum, Fusarium solani, and Colletotrichum musae.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

REFERENCES

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to M. L. R. Macedo.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Damico, D.C.S., Freire, M.G.M., Gomes, V.M. et al. Isolation and Characterization of a Lectin from Annona muricata Seeds. J Protein Chem 22, 655–661 (2003). https://doi.org/10.1023/B:JOPC.0000008730.50675.de

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1023/B:JOPC.0000008730.50675.de

Navigation