EOG8S1WNJ GO:0046872 21/86 metal ion binding molecular_function "Interacting selectively and non-covalently with any metal ion." [GOC:ai] EOG8S1WNJ GO:0003676 20/86 nucleic acid binding molecular_function "Interacting selectively and non-covalently with any nucleic acid." [GOC:jl] EOG8S1WNJ GO:0043565 1/86 sequence-specific DNA binding molecular_function "Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding." [GOC:jl] EOG8S1WNJ GO:0005704 1/86 polytene chromosome band cellular_component "A stretch of densely packed chromatin along the polytene chromosome, visible as a morphologically distinct band." [GOC:bf, PMID:11361342] EOG8S1WNJ GO:0005634 1/86 nucleus cellular_component "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." [GOC:go_curators] EOG8S1WNJ GO:0060968 1/86 regulation of gene silencing biological_process "Any process that modulates the rate, frequency, or extent of gene silencing, the transcriptional or post-transcriptional process carried out at the cellular level that results in long-term gene inactivation." [GOC:dph, GOC:tb]