Annotations: 6RRV

Crystal structure of the Sir4 H-BRCT domain

External Resource: Annotation

Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e6rrvA1	A: alpha arrays	X: BRCT domain	H: BRCT domain	T: BRCT domain	F:	ECOD (v295.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Regulatory protein SIR4	DNA binding double-stranded DNA binding binding nucleic acid binding molecular adaptor activity protein-containing complex binding chromatin binding nucleosome binding	localization telomere localization telomere tethering at nuclear periphery chromosome localization organelle localization establishment of protein-containing complex localization to telomere macromolecule localization establishment of localization subtelomeric heterochromatin formation regulation of cellular process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly localization telomere localization telomere tethering at nuclear periphery chromosome localization organelle localization establishment of protein-containing complex localization to telomere macromolecule localization establishment of localization subtelomeric heterochromatin formation regulation of cellular process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process heterochromatin formation epigenetic regulation of gene expression negative regulation of metabolic process biological regulation heterochromatin organization regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression constitutive heterochromatin formation biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process cellular process negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process silent mating-type cassette heterochromatin formation RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process cellular response to stimulus double-strand break repair response to stimulus double-strand break repair via nonhomologous end joining DNA metabolic process cellular response to stress DNA damage response response to stress DNA repair positive regulation of organelle organization positive regulation of heterochromatin organization regulation of heterochromatin formation regulation of chromatin organization regulation of chromosome organization regulation of organelle organization positive regulation of chromosome organization regulation of cellular component organization positive regulation of cellular component organization positive regulation of biological process positive regulation of heterochromatin formation positive regulation of chromatin organization positive regulation of cellular process positive regulation of cellular component biogenesis chromosome organization regulation of cellular component biogenesis organelle organization regulation of heterochromatin organization	membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle chromatin silencing complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle membraneless organelle intracellular membraneless organelle chromosome chromosome, telomeric region membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle chromatin silencing complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle membraneless organelle intracellular membraneless organelle chromosome chromosome, telomeric region chromosomal region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR031556	Sir4, SID domain	Domain

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.