The present invention relates to calcium dependent protein kinase (CORK) constructs comprising a pair of chromophores suitable for measuring real-time FRET occurrence upon conformational changes or activation of the CORK construct. Particularly, the present invention relates to CORK polypeptides comprising a variable domain (VD), a protein kinase domain (PKD), a pseudosubstrate segment (PS), and a calmodulin-like domain (OLD), said CLD comprising 4 EF-hand motifs EF1, EF2, EF3 and EF4, wherein a donor chromophore is inserted between PKD and PS and an acceptor chromophore is inserted C-terminally of EF4, or an acceptor chromophore is inserted between PKD and PS and a donor chromophore is inserted C-terminally of EF4, wherein said donor chromophore and said acceptor chromophore represent a Förster Resonance Energy Transfer (FRET) pair. The present invention further relates to polynucleotides encoding such polypeptides as well as vectors and host cells comprising such polypeptides and/or polynucleotides. Furthermore, the present invention relates to methods for measuring conformational change or activation status of a CDPK polypeptide by employing said polypeptides and to uses of said polypeptides for measuring conformational change or activation status of a CDPK polypeptide.

Provided herein are compositions and methods for down-regulating mTORC1 signaling in a subject, comprising administering to the subject an effective amount of one or more compositions that promote increased levels or activity of CIB32 or a biologically active fragment or variant thereof in the subject.

Disclosed are binding agents that include (a) a calcium binding portion which includes an F-helix peptide and a calcium binding loop peptide derived from an EF-hand motif of a calcium binding protein, wherein the C-terminus of the F-helix peptide is covalently linked to the N-terminus of the calcium binding loop peptide by a peptide bond, and (b) a targeting peptide, wherein the N-terminus of the targeting peptide is covalently linked to the C-terminus of the calcium binding portion by a peptide bond. The binding agents can be used for diagnosis and treatment of various disorders.

The disclosure pertains to the field of molecular means capable of binding calcium, in particular peptides which are calcium chelators, appropriate for use in vitro or in vivo and preferably capable of targeting specific cellular compartments. Polypeptide comprising a first calcium-binding domain, a peptide linker and a second calcium binding domain, wherein the first and second binding domains are linked through the peptide linker, and wherein: the first calcium-binding domain and the second calcium binding domain each comprise at least one calcium-binding site derived from a EF-hand motif; and, the first calcium-binding domain and the second calcium binding domain differ in at least one calcium-binding site.

Provided is an immunogenic composition comprising an antigenic peptide capable of inducing production of a neutralizing antibody against S100A9 and a carrier protein. The immunogenic composition can be used as a highly safe antithrombotic vaccine having antithrombotic effect without a long-term bleeding risk and is useful for the prevention of a disease associated with thrombus formation in which platelet aggregation is involved, particularly for the prevention of recurrent ischemic stroke.

Polypeptides which comprises a plurality of luminescent metal binding sites and constructs comprising the polypeptides and bound luminescent metals are provided. When the constructs are exposed to suitable wavelengths of energy, the bound luminescent metals emit characteristic wavelengths of light. Thus, the constructs are used as luminescent tracking molecules e.g. as probes, markers, reporters, etc., and to deliver cargo to targeted cells or tissues.

Disclosed herein are implantable devices coated with a reagent, and methods of preparing and utilizing such devices. The implantable device may comprise an implantable light conduit. The present disclosure enables a more precise registration between the reagent and the device implanted in the target tissue of a subject.

The invention is directed to a method for diagnosing and treating a pulmonary lung disease by detecting a mutant S100A3 protein associated with pulmonary lung disease and by treating a subject with a functional S100A3 protein.

Compositions and methods for the selective sequestration of metal ions are generally described.

A chemigenetic calcium indicator and a method of measuring calcium are provided. The chemigenetic calcium indicator includes a calcium-binding protein domain attached to a ligand binding protein domain. The method of measuring calcium includes administering a chemigenetic calcium indicator to a subject and determining changes in fluorescence, the chemigenetic calcium indicator including a ligand binding protein domain having a calcium-binding protein domain and a dye-ligand conjugate attached thereto.