Abstract: The present invention relates to polypeptides and cytomegalovirus (CMV) antigens that include at least two introduced amino acid mutations relative to the amino acid sequence of the wild-type HCMV glycoprotein B (gB). In some embodiments, the polypeptide is stabilized in a conformation alternative to the gB postfusion conformation. Also disclosed are compositions including the polypeptides and uses thereof.

Abstract: A tracking system for tracking an expanded state of an object is provided. The tracking system comprises at least one processor and a memory having instructions stored thereon that, when executed by the at least one processor, cause the tracking system to execute a probabilistic filter that iteratively tracks a belief on the expanded state of the object, wherein the belief is predicted using a motion model of the object and is further updated using a compound measurement model of the object. The compound measurement model includes multiple probabilistic distributions constrained to lie on a contour of the object with a predetermined relative geometrical mapping to the center of the object. Further, the tracking system tracks the expanded state of the object based on the updated belief on the expanded state.

Abstract: A panel door including a framework configured to form a support structure for the panel door. The panel door further including a set of surface covers configured to overlay the framework and be secured thereto to form both a set of stiles and a set of rails for the panel door, wherein the set of stiles includes at least one intermediate stile. The door includes a set of open spaces bounded by the set of rails and the set of stiles. The door further includes a set of panels secured in the set of open spaces between the stiles and rails.

Abstract: A panel door including a framework configured to form a support structure for the panel door. The panel door further including a set of surface covers configured to overlay the framework and be secured thereto to form both a set of stiles and a set of rails for the panel door, wherein the set of stiles includes at least one intermediate stile. The door includes a set of open spaces bounded by the set of rails and the set of stiles. The door further includes a set of panels secured in the set of open spaces between the stiles and rails.