go_id,ontology,go_term,term_definition,evidence GO:0000413,BP,"protein peptidyl-prolyl isomerization","The modification of a protein by cis-trans isomerization of a proline residue.",IEA GO:0003755,MF,"peptidyl-prolyl cis-trans isomerase activity","Catalysis of the reaction: peptidyl-proline (omega=180) = peptidyl-proline (omega=0).",IDA 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:0005654,CC,nucleoplasm,"That part of the nuclear content other than the chromosomes or the nucleolus.",IDA GO:0005737,CC,cytoplasm,"All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.",IDA GO:0006457,BP,"protein folding","The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.",IEA GO:0008380,BP,"RNA splicing","The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.",IEA GO:0016018,MF,"cyclosporin A binding","Interacting selectively and non-covalently with cyclosporin A, a cyclic undecapeptide that contains several N-methylated and unusual amino acids.",TAS GO:0016363,CC,"nuclear matrix","The dense fibrillar network lying on the inner side of the nuclear membrane.",IEA GO:0016607,CC,"nuclear speck","A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.",IEA GO:0044822,MF,"poly(A) RNA binding","Interacting non-covalently with a poly(A) RNA, a RNA molecule which has a tail of adenine bases.",IDA