An isolated and purified DNA molecule encoding hyaluronan synthase-2 is provided, as is purified and isolated Has2 polypeptide. The modular insert providing an additional cable management device such as a curved guidewall. The elongated flexible band is adapted to circumscribe the person’s body, at least partially covering abdomen region of the person. Data items in the set of data that share a common root folder are stored amongst other data items in the common root folder that do not belonging to the set of data items to be shared. Manifold members adjoin opposite ends of the lamination stack, and each is configured with one or more cavities to act as a manifold to adjacent passageway ends.