Partner: Leyva Eduardo


Ostatnie publikacje
1.Jorge Luis M., Cofas Vargas L. F., Eduardo L., Jesús Antonio R., Mateo C., Patricia C., Titaux-Delgado G., Carolina Monserrath M., Andrés H., del Rio-Portilla F., García-Hernandez E., Decoding the mechanism governing the structural stability of wheat germ agglutinin and its isolated domains: A combined calorimetric, NMR, and MD simulation study, Protein Science, ISSN: 0961-8368, DOI: 10.1002/pro.5020, Vol.33, No.6, pp.e5020-1-15, 2024

Streszczenie:

Wheat germ agglutinin (WGA) demonstrates potential as an oral delivery agent owing to its selective binding to carbohydrates and its capacity to traverse biological membranes. In this study, we employed differential scanning calorimetry and molecular dynamics simulations to comprehensively characterize the thermal unfolding process of both the complete lectin and its four isolated domains. Furthermore, we present the nuclear magnetic resonance structures of three domains that were previously lacking experimental structures in their isolated forms. Our results provide a collective understanding of the energetic and structural factors governing the intricate unfolding mechanism of the complete agglutinin, shedding light on the specific role played by each domain in this process. The analysis revealed negligible interdomain cooperativity, highlighting instead significant coupling between dimer dissociation and the unfolding of the more labile domains. By comparing the dominant interactions, we rationalized the stability differences among the domains. Understanding the structural stability of WGA opens avenues for enhanced drug delivery strategies, underscoring its potential as a promising carrier throughout the gastrointestinal environment.

Słowa kluczowe:

homodimer, hydrogen bonding, lectin, multidomain protein, structural stability, thermal unfolding

Afiliacje autorów:

Jorge Luis M.-other affiliation
Cofas Vargas L. F.-IPPT PAN
Eduardo L.-other affiliation
Jesús Antonio R.-other affiliation
Mateo C.-other affiliation
Patricia C.-other affiliation
Titaux-Delgado G.-other affiliation
Carolina Monserrath M.-other affiliation
Andrés H.-other affiliation
del Rio-Portilla F.-other affiliation
García-Hernandez E.-other affiliation
100p.