The part of the host cell cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The volume enclosed by the membranes of the host cell endoplasmic reticulum.

The irregular network of unit membranes, visible only by electron microscopy, that occurs in the host cell cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The host rough ER has ribosomes adhering to the outer surface.

The lipid bilayer surrounding the host cell rough endoplasmic reticulum.

The pigmented membrane of any host thylakoid.

A vesicle formed of membrane or protein, found in the cytoplasm of a host cell.

The lipid bilayer surrounding a host cell cytoplasmic vesicle.

A cellular structure that forms the internal framework of eukaryotic and prokaryotic host cells. The cytoskeleton includes intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.

Binding to a Rel Homology Domain (RHD) of a protein. The RHD is found in a family of eukaryotic transcription factors, which includes NF-kappaB, Dorsal, Relish and NFAT.

Binding to a TRAF-type zinc finger domain of a protein.

The double lipid bilayer enclosing the host nucleus and separating its contents from the rest of the host cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).

The double lipid bilayer enclosing the host cell mitochondrion and separating its contents from the host cell cytoplasm; includes the intermembrane space.

Either of the lipid bilayers that surround the host cell mitochondrion and form the host cell mitochondrial envelope.

The inner, i.e. lumen-facing, lipid bilayer of the host cell mitochondrial envelope. It is highly folded to form cristae.

The outer, i.e. cytoplasm-facing, lipid bilayer of the host cell mitochondrial envelope.

A specialized secretory lysosome that is present in cells with cytolytic capability such as cytotoxic T lymphocytes and natural killer cells. Cytolytic granules mediate the storage and regulated excretion of lytic molecules for killing of target cells.

A small lytic vacuole that has cell cycle-independent morphology found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.

Long, dynamic tubular channels, formed by invagination of the nuclear envelope, that extend deep into the nucleoplasm. The channels have an underlying lamina and are implicated in functioning in signaling and transport.

A small, dense body one or more of which are present in the nucleus of eukaryotic host cells.

Any particle of coalesced lipids in the cytoplasm of a host cell. May include associated proteins.