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: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:0005783,CC,"endoplasmic reticulum","The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).",IDA GO:0005829,CC,cytosol,"The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.",IBA GO:0048208,BP,"COPII vesicle coating","The addition of COPII proteins and adaptor proteins to ER membranes during the formation of transport vesicles, forming a vesicle coat.",TAS GO:1903232,BP,"melanosome assembly","The aggregation, arrangement and bonding together of a set of components to form a melanosome, a tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored.",IEA