go_id,ontology,go_term,term_definition,evidence GO:0000139,CC,"Golgi membrane","The lipid bilayer surrounding any of the compartments of the Golgi apparatus.",IEA GO:0003924,MF,"GTPase activity","Catalysis of the reaction: GTP + H2O = GDP + phosphate.",IEA GO:0005515,MF,"protein binding","Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).",IPI GO:0005525,MF,"GTP binding","Interacting selectively and non-covalently with GTP, guanosine triphosphate.",IEA GO:0005634,CC,nucleus,"A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.",IEA GO:0005765,CC,"lysosomal membrane","The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.",TAS GO:0005789,CC,"endoplasmic reticulum membrane","The lipid bilayer surrounding the endoplasmic reticulum.",IEA GO:0007030,BP,"Golgi organization","A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the Golgi apparatus.",IMP GO:0007264,BP,"small GTPase mediated signal transduction","Any series of molecular signals in which a small monomeric GTPase relays one or more of the signals.",IEA GO:0015031,BP,"protein transport","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.",IEA GO:0019003,MF,"GDP binding","Interacting selectively and non-covalently with GDP, guanosine 5'-diphosphate.",IDA GO:0033116,CC,"endoplasmic reticulum-Golgi intermediate compartment membrane","The lipid bilayer surrounding any of the compartments of the endoplasmic reticulum (ER)-Golgi intermediate compartment system.",TAS GO:0042470,CC,melanosome,"A tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored. Melanosomes are synthesized in melanocyte cells.",IDA GO:0070062,CC,"extracellular exosome","A membrane-bounded vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.",IDA