go_id,ontology,go_term,term_definition,evidence 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: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:0006351,BP,"transcription, DNA-templated","The cellular synthesis of RNA on a template of DNA.",IEA GO:0006355,BP,"regulation of transcription, DNA-templated","Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.",IBA GO:0008023,CC,"transcription elongation factor complex","Any protein complex that interacts with RNA polymerase II to increase (positive transcription elongation factor) or reduce (negative transcription elongation factor) the rate of transcription elongation.",IDA GO:0015030,CC,"Cajal body","A class of nuclear body, first seen after silver staining by Ramon y Cajal in 1903, enriched in small nuclear ribonucleoproteins, and certain general RNA polymerase II transcription factors; ultrastructurally, they appear as a tangle of coiled, electron-dense threads roughly 0.5 micrometers in diameter; involved in aspects of snRNP biogenesis; the protein coilin serves as a marker for Cajal bodies. Some argue that Cajal bodies are the sites for preassembly of transcriptosomes, unitary particles involved in transcription and processing of RNA.",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:0032783,CC,"ELL-EAF complex","A heterodimeric protein complex that acts as an RNA polymerase II elongation factor; the complex is conserved from yeast to humans, and is present in S. pombe, but absent from S. cerevisiae.",IEA GO:0043231,CC,"intracellular membrane-bounded organelle","Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.",IDA GO:0045171,CC,"intercellular bridge","A direct connection between the cytoplasm of two cells that is formed following the completion of cleavage furrow ingression during cell division. They are usually present only briefly prior to completion of cytokinesis. However, in some cases, such as the bridges between germ cells during their development, they become stabilised.",IDA