Abstract: The present invention relates to the field of biochemistry, more particularly to proteomics, more particularly to protein sequencing, even more particularly to single molecule peptide sequencing. The invention discloses means and methods for single molecule protein sequencing and/or amino add identification using cleavage inducing agent. Said cleavage inducing agents which are not specific for one particular amino acid, cleave polypeptides step by step from the N-terminus onwards and provide information on the identity of the cleaved amino acids based on the kinetics of said reaction.

Abstract: The present invention provides means and methods for the production in eukaryotic cells of homogeneous forms of small glycan structures which carry terminal galactose residues. In addition, the invention provides glycan-conjugates based on specific coupling with galactose residues present on the recombinant glycoproteins.

Abstract: The invention relates to the field of CAR-T cell immunotherapy, more specifically the invention relates to production and uses of glyco-engineered CAR-T cells for the improvement of immunotherapy compositions for treatment of cancer, more specifically of solid tumors. The invention specifically relates to human CAR-T cells with a mutated MGAT5 gene, as to provide for surface glycan structures devoid of tetra-antennary N-glycans, which results in a sustained memory when applied in immunotherapy, to cure cancer, reduce (recurrent) tumor growth and tumor burden, as well as to prevent relapse. The invention further relates to methods for manufacturing of those CAR-T cells, wherein addition of low amounts of DMSO during activation and expansion ex vivo skews T cell populations to a more predominant memory phenotype, thereby providing for improved glycol-engineered CAR-T cell compositions for adoptive T cell transfer.

Abstract: The present invention relates to protein binding agents specifically binding the human cation-independent mannose-6-phosphate receptor (CI-M6PR), more specifically polypeptide agents comprising an immunoglobulin single variable domain (ISVD) specifically binding CI-M6PR at nano- to picomolar affinity, fused to further protein binding agents specifically binding extracellularly-accessible protein targets, such as membrane proteins, extracellular or secreted proteins. More specifically said CI-M6PR-specific ISVD recognizes CI-M6PR N-terminal domains 1, 2 and/or 3, thereby providing for means and methods for internalization, lysosomal targeting and degradation of agents comprising said ISVD, and of targets bound to said protein binding agents.

Abstract: Compositions and binding agents specifically binding the Spike protein of Corona viruses via at least two different binding sites and potently neutralizing coronaviruses, in particular sarbecoviruses, such as SARS-COV-1 and SARS-COV-2. The compositions or agents specifically bind to epitopes of the Receptor binding domain (RBD) of the Spike protein wherein both epitopes are conserved over multiple clades of the sarbecoviruses, providing broadly neutralizing pan-specific antibody-based compositions, thereby reducing viral escape. Application and uses of these agents and compositions are disclosed.

Abstract: The present invention relates to the field of biochemistry, more particularly to proteomics, more particularly to protein sequencing, even more particularly to single molecule peptide sequencing. The invention discloses methods for single molecule protein sequencing and/or amino acid identification using cleavage inducing agents which are not specific for one particular amino acid, cleave polypeptides step by step from the N-terminus onwards and provide information on the identity of the cleaved amino acids based on the kinetics.

Abstract: The present invention relates to the field of recombinant protein production in a host cell. More specifically the invention relates to the field of oral protein delivery. Specifically, the invention provides oral pharmaceutical formulations comprising the culture medium of a recombinant host secreting a recombinant protein. The resulting oral pharmaceutical formulations are useful for the treatment of gastro-intestinal and/or buccal disorders. Additionally, the oral pharmaceutical formulations are useful for prophylactic and vaccine purposes.

Abstract: Agents that bind to sarbecoviruses of multiple clades, neutralizing sarbecovirus infection, in particular neutralizing SARS-CoV-1 and SARS-CoV-2 infection. The agents bind to a unique epitope of the sarbecovirus ACE2-receptor binding domain (RBD) but do not inhibit binding of ACE2 with the RBD. Applications and uses of these agents are further disclosed.

Abstract: The present invention provides nucleotide sequences encoding polypeptides comprising immunoglobulin variable domains with engineered glycosylation acceptor sites. Specifically, the invention provides immunoglobulin variable domain proteins modified with selected glycans and specific glycan-conjugates thereof. Also provided herein are methods for the production of glycosylated immunoglobulin variable domains and glycan-conjugates thereof.

Abstract: The present invention relates to the field of virology, more specifically to the field of zoonotic Coronaviruses. Specifically, the invention provides for binding agents specific for the spike protein receptor binding domain (RBD) of the SARS-Corona virus, more specifically for an epitope of the RBD present in a broad range of Sarbecoviruses and mutants thereof, even more specifically present in SARS-Cov and SARS-CoV-2 viruses. More specifically, the invention relates to compositions comprising antibodies capable of specifically binding and neutralizing SARS-Corona viruses.

Abstract: The present invention relates to the field of biochemistry, more particularly to proteomics, more particularly to protein sequencing, even more particularly to single molecule peptide sequencing. The invention discloses means and methods for single molecule protein sequencing and/or amino acid identification using cleavage inducing agent. Said cleavage inducing agents which are not specific for one particular amino acid, cleave polypeptides step by step from the N-terminus onwards and provide information on the identity of the cleaved amino acids based on the kinetics of said reaction.

Abstract: The present application relates to glycosylated immunoglobulin domains. The invention provides nucleotide sequences encoding polypeptides comprising immunoglobulin variable domains with engineered glycosylation acceptor sites. Accordingly, the invention provides immunoglobulin variable domain proteins modified with selected glycans and specific glycan-conjugates thereof. Also provided herein are methods for the production of glycosylated immunoglobulin variable domains and glycan-conjugates thereof.

Abstract: The present invention relates to the field of biochemistry, more particularly to proteomics, more particularly to protein sequencing, even more particularly to single molecule peptide sequencing. The invention discloses methods for single molecule protein sequencing and/or amino acid identification using cleavage inducing agents which are not specific for one particular amino acid, cleave polypeptides step by step from the N-terminus onwards and provide information on the identity of the cleaved amino acids based on the reaction kinetics.

Abstract: The present invention relates to protein sequencing, more particularly the invention discloses improved aminopeptidases for single molecule protein sequencing and/or amino acid identification. Said aminopeptidases can enzymatically cleave off N-terminal amino acids and are highly suitable in a kinetics-based peptide sequencing approach. Based on the kinetics of the cleaving reaction or of the engagement between said aminopeptidases and peptide to be sequenced, information on the identity of the cleaved amino acids is provided.

Abstract: A non-surgical treatment of cataract in a human or animal. The invention specifically relates to the administration of a deglycating enzyme and its cofactor(s), which results in the deglycation of the lens crystallins. The disclosure thus relates to a minimal invasive type of treatment of cataract, which is easier and cheaper compared to existing surgical methods.

Abstract: The present application relates to the field of protein sequencing, more particularly to protein profiling using massively parallel sequencing with single-molecule sensitivity. Methods, assays and reagents are provided for sequencing individual protein or polypeptide molecules. Also provided are methods and assays for the parallel sequencing of proteins or polypeptides. To this end, particular labeled probes are used that are reactive with the N-terminal amino acid of the polypeptide molecules and can be detected while still associated with the polypeptide(s).

Abstract: The present application relates to the field of glyco-engineering and, more specifically, to eukaryotic cells wherein both an endoglucosaminidase is present and made deficient in UDP-galactose 4-epimerase (GalE). Typically, a glycoprotein is also present in the cells. These cells can be used to deglycosylate or partly deglycosylate the (exogenous) glycoprotein, in particular, without the need for adding an extra enzyme. Methods are also provided for the application of these cells in protein production.

Abstract: The present invention provides to novel prophylactic and therapeutic formulations being effective in the prevention and/or the reduction of allergenic responses to specific allergens. In particular the invention provides compositions comprising deglycosylated allergens which allergens are normally glycosylated in their natural environment. Further this invention further relates to hypoallergenic recombinant deglycosylated derivatives of the major protein allergen from Dermatophagoides pteronyssinus, allergen proDerp1. Even more particularly the invention further provides hypoallergenic recombinant deglycosylated derivatives of proDerp1 of which catalytic cysteine 132 is mutated.

Abstract: A non-surgical treatment of cataract in a human or animal. The invention specifically relates to the administration of a deglycating enzyme and its cofactor(s), which results in the deglycation of the lens crystallins. The disclosure thus relates to a minimal invasive type of treatment of cataract, which is easier and cheaper compared to existing surgical methods.

Abstract: The present application relates to the field of terpenoid production technologies, particularly to production technologies using recombinant eukaryotic cells, and the improvement thereof. In particular, the present invention relates to recombinant eukaryotic cells capable of producing increased yields of terpenoids. Accordingly, the invention provides eukaryotic cells wherein intracellular membrane proliferation is affected and as such stimulated. The invention as well provides methods for the production of said cells.