Nayla Munawar

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Enzymes produced by halophilic archaea are generally heat resistant and organic solvent tolerant, and accordingly important for biocatalytic applications in ‘green chemistry’, frequently requiring a low-water environment. NAD+-dependent glutamate dehydrogenase from an extremely halophilic archaeon Halobacterium salinarum strain NRC-36014 was selected to(More)
PCGF1 encodes one of six human Polycomb RING finger homologs that are linked to transcriptional repression and developmental gene regulation. Individual PCGF proteins define discrete Polycomb Repressor Complex 1 (PRC1) multi-protein complexes with diverse subunit composition whose functions are incompletely understood. PCGF1 is a component of a variant PRC1(More)
Heat- and solvent-tolerant enzymes from halophiles, potentially important industrially, offer a robust framework for protein engineering, but few solved halophilic structures exist to guide this. Homology modelling has guided mutations in glutamate dehydrogenase (GDH) from Halobacterium salinarum to emulate conversion of a mesophilic GDH to a methionine(More)
Polycomb proteins assemble to form complexes with important roles in epigenetic regulation. The Polycomb Repressive Complex 2 (PRC2) modulates the di- and tri-methylation of lysine 27 on histone H3, each of which are associated with gene repression. Although three subunits, EZH1/2, SUZ12, and EED, form the catalytic core of PRC2, a wider group of proteins(More)
Sin3a is the central scaffold protein of the prototypical Hdac1/2 chromatin repressor complex, crucially required during early embryonic development for the growth of pluripotent cells of the inner cell mass. Here, we compare the composition of the Sin3a-Hdac complex between pluripotent embryonic stem (ES) and differentiated cells by establishing a method(More)
Native gel electrophoresis enables separation of cellular proteins in their non-denatured state. In experiments aimed at analysing proteins in higher order or multimeric assemblies (i.e. protein complexes) it offers some advantages over rival approaches, particularly as an interface technology with mass spectrometry. Here we separated fractions from HEK293(More)
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