EOG8PK4Q4 GO:0007264 25/82 small GTPase mediated signal transduction biological_process "Any series of molecular signals in which a small monomeric GTPase relays one or more of the signals." [GOC:mah] EOG8PK4Q4 GO:0005525 25/82 GTP binding molecular_function "Interacting selectively and non-covalently with GTP, guanosine triphosphate." [GOC:ai] EOG8PK4Q4 GO:0015031 24/82 protein transport biological_process "The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore." [GOC:ai] EOG8PK4Q4 GO:0004767 2/82 sphingomyelin phosphodiesterase activity molecular_function "Catalysis of the reaction: H(2)O + sphingomyelin = ceramide + choline phosphate + H(+)." [EC:3.1.4.12, RHEA:19256] EOG8PK4Q4 GO:0005794 1/82 Golgi apparatus cellular_component "A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions." [ISBN:0198506732] EOG8PK4Q4 GO:0005097 1/82 GTPase activator activity molecular_function "Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP." [GOC:mah] EOG8PK4Q4 GO:0055037 1/82 recycling endosome cellular_component "An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane." [GOC:dph, GOC:jid, GOC:kmv, GOC:rph, PMID:10930469, PMID:15601896, PMID:16246101, PMID:21556374, PMID:21562044] EOG8PK4Q4 GO:0005515 1/82 protein binding molecular_function "Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules)." [GOC:go_curators] EOG8PK4Q4 GO:0045202 1/82 synapse cellular_component "The junction between a nerve fiber of one neuron and another neuron or muscle fiber or glial cell; the site of interneuronal communication. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane." [ISBN:0198506732] EOG8PK4Q4 GO:0032851 1/82 positive regulation of GTPase activity biological_process "Any process that activates or increases the activity of a GTPase." [GOC:jl, GOC:mah] EOG8PK4Q4 GO:0043025 1/82 neuronal cell body cellular_component "The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites." [GOC:go_curators]