go_id,ontology,go_term,term_definition,evidence
GO:0003707,MF,"steroid hormone receptor activity","Combining with a steroid hormone and transmitting the signal within the cell to initiate a change in cell activity or function.",IEA
GO:0005496,MF,"steroid binding","Interacting selectively and non-covalently with a steroid, any of a large group of substances that have in common a ring system based on 1,2-cyclopentanoperhydrophenanthrene.",IEA
GO:0005635,CC,"nuclear envelope","The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).",IBA
GO:0012505,CC,"endomembrane system","A collection of membranous structures involved in transport within the cell. The main components of the endomembrane system are endoplasmic reticulum, Golgi bodies, vesicles, cell membrane and nuclear envelope. Members of the endomembrane system pass materials through each other or though the use of vesicles.",IEA
GO:0016020,CC,membrane,"A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.",IDA
GO:0016021,CC,"integral component of membrane","The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.",IEA
GO:0020037,MF,"heme binding","Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.",NAS
GO:0043401,BP,"steroid hormone mediated signaling pathway","A series of molecular signals mediated by a steroid hormone binding to a receptor.",IEA