Annotations: 5IKJ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Clr2 N-terminal domain-like	8044783	4004131	SCOP2 (2022-06-29)
A	SCOP2 Family	Clr2 C-terminal domain-like	8046108	4004882	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Clr2 N-terminal domain-like	8052681	3002135	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Tudor/PWWP/MBT domain-like	8052684	3000404	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Tudor/PWWP/MBT domain-like	8052683	3000404	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Clr2_transil	e5ikjA1	A: a/b three-layered sandwiches	X: alpha/beta knot	H: alpha/beta knot	T: alpha/beta knot	F: Clr2_transil	ECOD (v294.1)
A	DHO_dh	e5ikjA3	A: a/b three-layered sandwiches	X: alpha/beta knot	H: alpha/beta knot	T: alpha/beta knot	F: DHO_dh	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF16761	Transcription-silencing protein, cryptic loci regulator Clr2 (Clr2_transil)	Transcription-silencing protein, cryptic loci regulator Clr2	-	Family
A	PF10383	Transcription-silencing protein Clr2 (Clr2)	Transcription-silencing protein Clr2	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Cryptic loci regulator protein 1	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	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 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 pericentric heterochromatin formation nucleolar chromatin organization rDNA heterochromatin formation nucleus organization organelle organization nucleolus organization facultative heterochromatin formation	intracellular organelle rDNA heterochromatin cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromatin chromosome heterochromatin mating-type region heterochromatin membrane-bounded organelle protein-containing complex ATPase complex intracellular organelle rDNA heterochromatin cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromatin chromosome heterochromatin mating-type region heterochromatin membrane-bounded organelle protein-containing complex ATPase complex nucleus membrane-enclosed lumen nuclear protein-containing complex transcription regulator complex SHREC complex intracellular organelle lumen histone deacetylase complex nucleoplasm NuRD complex SWI/SNF superfamily-type complex catalytic complex intracellular membrane-bounded organelle organelle lumen CHD-type complex nuclear lumen chromosome, subtelomeric region chromosome, telomeric region chromosomal region pericentric heterochromatin chromosome, centromeric region
A	Cryptic loci regulator 2	-	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 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 pericentric heterochromatin formation nucleolar chromatin organization rDNA heterochromatin formation nucleus organization organelle organization nucleolus organization facultative heterochromatin formation	intracellular anatomical structure chromosome, subtelomeric region intracellular membraneless organelle chromatin chromosome heterochromatin chromosomal region intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, telomeric region subtelomeric heterochromatin CENP-A containing chromatin intracellular anatomical structure chromosome, subtelomeric region intracellular membraneless organelle chromatin chromosome heterochromatin chromosomal region intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, telomeric region subtelomeric heterochromatin CENP-A containing chromatin chromosome, centromeric core domain chromosome, centromeric region rDNA heterochromatin mating-type region heterochromatin membrane-bounded organelle protein-containing complex ATPase complex nucleus membrane-enclosed lumen nuclear protein-containing complex transcription regulator complex SHREC complex intracellular organelle lumen histone deacetylase complex nucleoplasm NuRD complex SWI/SNF superfamily-type complex catalytic complex intracellular membrane-bounded organelle organelle lumen CHD-type complex nuclear lumen pericentric heterochromatin

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR013087	Zinc finger C2H2-type	Domain
A	IPR038986	Cryptic loci regulator 2	Family
A	IPR018839	Cryptic loci regulator 2, C-terminal	Domain
A	IPR031915	Cryptic loci regulator 2, N-terminal	Domain

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.