Spermine and spermidine act as chemical chaperones and enhance chaperone-like and membranolytic activities of major bovine seminal plasma protein, PDC-109

BP Singh, I Saha, I Nandi, MJ Swamy - Biochemical and biophysical …, 2017 - Elsevier
The major bovine seminal plasma protein, PDC-109, binds to choline phospholipids of the
sperm plasma membrane and induces an efflux of cholesterol and choline phospholipids …

Contrasting effects of molecular crowding on the membrane-perturbing and chaperone-like activities of major bovine seminal plasma protein, PDC-109

BP Singh, SK Cheppali, I Saha, MJ Swamy - International Journal of …, 2024 - Elsevier
Crowded environments inside cells and biological fluids greatly affect protein stability and
activity. PDC-109, a polydisperse oligomeric protein of the bovine seminal plasma …

Purification, molecular characterization and ligand binding properties of the major donkey seminal plasma protein DSP-1

S Alim, SK Cheppali, M Laitaoja, TR Talluri… - International Journal of …, 2022 - Elsevier
Fibronectin type-II (FnII) family proteins are the major proteins in many mammalian species
including bull, horse and pig. In the present study, a major FnII protein has been identified …

Probing the chemical unfolding and phospholipid binding to the major protein of donkey seminal plasma, DSP-1 by fluorescence spectroscopy

S Alim, S Das, MJ Swamy - Journal of Photochemistry and Photobiology A …, 2023 - Elsevier
Fibronectin type-II (FnII) proteins which constitute the major fraction in the seminal plasma of
many mammals, bind to choline phospholipids on the spermatozoa and play a crucial role in …

Glycosylation differentially modulates membranolytic and chaperone-like activities of PDC-109, the major protein of bovine seminal plasma

BP Singh, RS Sankhala, A Asthana… - Biochemical and …, 2019 - Elsevier
The major bovine seminal plasma protein, PDC-109, is a mixture of glycosylated (BSP-A1)
and non-glycosylated (BSP-A2) isoforms of a 109-residue long polypeptide. It binds to …

Conserved core tryptophans of FnII domains are crucial for the membranolytic and chaperone‐like activities of bovine seminal plasma protein PDC‐109

BP Singh, A Asthana, A Basu, R Tangirala… - FEBS …, 2020 - Wiley Online Library
The fibronectin type II (FnII) domain, present in diverse vertebrate proteins, plays crucial
roles in several fundamental biological processes. PDC‐109, the major bovine seminal …

Thermodynamic analysis of protein–lipid interactions by isothermal titration calorimetry

MJ Swamy, RS Sankhala, BP Singh - Lipid-Protein Interactions: Methods …, 2019 - Springer
Isothermal titration calorimetry is a highly sensitive and powerful technique for the study of
molecular interactions. This method can be applied universally for studying the interaction …

Low-pH Molten Globule-Like Form of CIA17, a Chitooligosaccharide-Specific Lectin from the Phloem Exudate of Coccinia indica, Retains Carbohydrate-Binding …

S Mondal, S Das, S Paul, S Barik… - The Journal of Physical …, 2022 - ACS Publications
pH-induced changes in the conformation, structural dynamics, and carbohydrate-binding
activity of Coccinia indica agglutinin (CIA17), a PP2-type lectin, were investigated employing …

Primary structure determination and physicochemical characterization of DSP-3, a phosphatidylcholine binding glycoprotein of donkey seminal plasma

S Alim, M Laitaoja, SS Pawar, TR Talluri, J Jänis… - International Journal of …, 2023 - Elsevier
Major proteins of the seminal plasma in a variety of mammals such as bovine PDC-109,
equine HSP-1/2, and donkey DSP-1 contain fibronectin type-II (FnII) domains and are …

Differential modulation of the chaperone-like activity of HSP-1/2, a major protein of horse seminal plasma by anionic and cationic surfactants

CS Kumar, MJ Swamy - International journal of biological macromolecules, 2017 - Elsevier
The major protein of equine seminal plasma, HSP-1/2 exhibits chaperone-like activity (CLA)
by protecting various target proteins against thermal, chemical and oxidative stress …