Annotations: 1E0B

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1e0ba_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	Heterochromatin protein 1, HP1	(Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)
B	d1e0bb_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	Heterochromatin protein 1, HP1	(Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Chromo domain	8021975	4000375	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Chromo domain-like	8034355	3000161	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Chromo domain-like	8034355	3000161	SCOP2B (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	Chromo_shadow	e1e0bA1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo_shadow	ECOD (1.6)
B	Chromo_shadow	e1e0bB1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo_shadow	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
B	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01393	Chromo shadow domain (Chromo_shadow)	Chromo shadow domain	This domain is distantly related to Pfam:PF00385. This domain is always found in association with a chromo domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	SWI6 PROTEIN	protein binding binding histone binding chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein-containing complex binding chromatin binding RNA binding organic cyclic compound binding nucleic acid binding DNA binding histone reader activity methylated histone binding protein binding binding histone binding chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein-containing complex binding chromatin binding RNA binding organic cyclic compound binding nucleic acid binding DNA binding histone reader activity methylated histone binding modification-dependent protein binding methylation-dependent protein binding identical protein binding	heterochromatin boundary formation regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process protein-DNA complex organization cellular component organization organic substance metabolic process chromatin organization organic substance biosynthetic process negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process heterochromatin boundary formation regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process protein-DNA complex organization cellular component organization organic substance metabolic process chromatin organization organic substance biosynthetic process 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 protein-containing complex organization epigenetic regulation of gene expression cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process heterochromatin organization regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression 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 positive regulation of organelle organization cellular component biogenesis regulation of heterochromatin formation regulation of chromatin organization regulation of chromosome organization regulation of organelle organization positive regulation of chromosome organization constitutive heterochromatin formation regulation of cellular component organization positive regulation of cellular component organization positive regulation of biological process positive regulation of heterochromatin formation regulation of pericentric heterochromatin formation positive regulation of chromatin organization positive regulation of cellular process positive regulation of pericentric heterochromatin formation positive regulation of cellular component biogenesis chromosome organization regulation of cellular component biogenesis pericentric heterochromatin formation organelle organization mitotic telomere clustering and tethering at nuclear periphery localization telomere localization telomere tethering at nuclear periphery chromosome localization organelle localization mitotic telomere tethering at nuclear periphery silent mating-type cassette heterochromatin formation meiotic chromosome segregation sexual reproduction reproductive process maintenance of meiotic sister chromatid cohesion, centromeric maintenance of meiotic sister chromatid cohesion meiotic centromeric cohesion protection in anaphase I maintenance of sister chromatid cohesion meiotic cell cycle process centromeric sister chromatid cohesion meiosis I meiotic nuclear division cell cycle chromosome segregation cell cycle process meiotic sister chromatid cohesion meiotic cell cycle organelle fission sister chromatid cohesion meiotic sister chromatid cohesion, centromeric nuclear division meiosis I cell cycle process nuclear chromosome segregation homologous chromosome segregation mitotic sister chromatid cohesion mitotic sister chromatid cohesion, centromeric developmental process sex determination mating type determination reproductive process in single-celled organism developmental process involved in reproduction mating type switching establishment of organelle localization cellular localization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment establishment of localization in cell mitotic sister chromatid segregation mitotic nuclear division attachment of spindle microtubules to kinetochore sister chromatid biorientation attachment of mitotic spindle microtubules to kinetochore sister chromatid segregation establishment of localization mitotic sister chromatid biorientation mitotic cell cycle process establishment of chromosome localization homologous recombination DNA recombination mitotic recombination primary metabolic process DNA metabolic process nucleic acid metabolic process gene conversion at mating-type locus nucleobase-containing compound metabolic process organic cyclic compound metabolic process gene conversion regulation of primary metabolic process negative regulation of RNA biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II organic cyclic compound biosynthetic process regulation of DNA-templated transcription negative regulation of RNA metabolic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process regulation of RNA biosynthetic process nucleobase-containing compound biosynthetic process	protein-containing complex intracellular anatomical structure protein-DNA complex heterochromatin island chromatin chromosome cellular anatomical entity heterochromatin intracellular organelle organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle mating-type region heterochromatin chromosome, subtelomeric region protein-containing complex intracellular anatomical structure protein-DNA complex heterochromatin island chromatin chromosome cellular anatomical entity heterochromatin intracellular organelle organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle mating-type region heterochromatin chromosome, subtelomeric region chromosome, telomeric region chromosomal region pericentric heterochromatin chromosome, centromeric region condensed chromosome, centromeric region condensed chromosome membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR023780	Chromo domain	Domain
A, B	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A, B	IPR023779	Chromo domain, conserved site	Conserved Site
A, B	IPR008251	Chromo shadow domain	Domain
A, B	IPR000953	Chromo/chromo shadow domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.