3Q6S

The crystal structure of the heterochromatin protein 1 beta chromoshadow domain complexed with a peptide from Shugoshin 1

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3q6sa_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	Heterochromatin protein 1, HP1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3q6sb_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	Heterochromatin protein 1, HP1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d3q6sc_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	Heterochromatin protein 1, HP1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d3q6sd_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	Heterochromatin protein 1, HP1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Chromo domain-like	8041155	3000161	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Chromo domain-like	8041155	3000161	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Chromo domain-like	8041155	3000161	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Chromo domain-like	8041155	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	e3q6sA1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo_shadow	ECOD (1.6)
B	Chromo_shadow	e3q6sB1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo_shadow	ECOD (1.6)
C	Chromo_shadow	e3q6sC1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo_shadow	ECOD (1.6)
D	Chromo_shadow	e3q6sD1	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)
C	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	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, C, D	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
E, F	Shugoshin-like 1	protein binding binding kinase binding enzyme binding	establishment of organelle localization cellular localization attachment of spindle microtubules to kinetochore establishment of localization metaphase chromosome alignment localization chromosome localization organelle localization establishment of localization in cell nuclear chromosome segregation cellular process cell cycle establishment of chromosome localization chromosome segregation establishment of organelle localization cellular localization attachment of spindle microtubules to kinetochore establishment of localization metaphase chromosome alignment localization chromosome localization organelle localization establishment of localization in cell nuclear chromosome segregation cellular process cell cycle establishment of chromosome localization chromosome segregation cell cycle process cell division meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle organelle fission meiotic cell cycle process cellular component organization nuclear division organelle organization meiotic nuclear division cellular component organization or biogenesis microtubule organizing center organization microtubule cytoskeleton organization centriole-centriole cohesion centrosome cycle microtubule-based process cytoskeleton organization mitotic sister chromatid cohesion chromosome organization sister chromatid cohesion centromeric sister chromatid cohesion mitotic sister chromatid cohesion, centromeric	intracellular organelle intracellular anatomical structure cytoskeleton spindle organelle intracellular non-membrane-bounded organelle spindle pole cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle chromosome chromosomal region kinetochore chromosome, centromeric region intracellular organelle intracellular anatomical structure cytoskeleton spindle organelle intracellular non-membrane-bounded organelle spindle pole cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle chromosome chromosomal region kinetochore chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome centrosome microtubule organizing center cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
A, B, C, D	Chromobox protein homolog 1	protein-containing complex binding chromatin binding binding DNA binding organic cyclic compound binding nucleic acid binding molecular adaptor activity histone methyltransferase binding protein binding enzyme binding methylated histone binding modification-dependent protein binding histone binding methylation-dependent protein binding protein-containing complex binding chromatin binding binding DNA binding organic cyclic compound binding nucleic acid binding molecular adaptor activity histone methyltransferase binding protein binding enzyme binding methylated histone binding modification-dependent protein binding histone binding methylation-dependent protein binding identical protein binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of cellular process negative regulation of biological process negative regulation of nitrogen compound metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process regulation of nitrogen compound metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of cellular process negative regulation of biological process negative regulation of nitrogen compound metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process regulation of nitrogen compound metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II heterocycle metabolic process organic substance biosynthetic process 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 regulation of biological process negative regulation of transcription by RNA polymerase II cellular metabolic process negative regulation of metabolic process cellular nitrogen compound metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process aromatic compound biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process nitrogen compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular aromatic compound metabolic process protein-DNA complex organization cellular component organization protein-containing complex organization chromatin organization cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle cellular anatomical entity intracellular non-membrane-bounded organelle chromosome, centromeric region chromosome chromosomal region non-membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle cellular anatomical entity intracellular non-membrane-bounded organelle chromosome, centromeric region chromosome chromosomal region non-membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex protein-DNA complex chromatin pericentric heterochromatin heterochromatin pronucleus male pronucleus female pronucleus chromocenter cytoskeleton spindle microtubule cytoskeleton nuclear body chromosome, telomeric region site of DNA damage

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E, F	IPR011516	Shugoshin, N-terminal coiled-coil domain	Domain
E, F	IPR011515	Shugoshin, C-terminal	Domain
E, F	IPR038889	Shugoshin 1/2	Family
A, B, C, D	IPR023780	Chromo domain	Domain
A, B, C, D	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR023779	Chromo domain, conserved site	Conserved Site
A, B, C, D	IPR008251	Chromo shadow domain	Domain
A, B, C, D	IPR000953	Chromo/chromo shadow domain	Domain
A, B, C, D	IPR017984	Chromo domain subgroup	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
E, F	Pharos: Q5FBB7	chronic atrial and intestinal dysrhythmia Chronobiology Disorders malignant glioma ovarian cancer atypical teratoid rhabdoid tumor drug dependence large cell medulloblastoma medulloblastoma pancreatic intraductal papillary-mucinous neoplasm breast cancer intestinal disease lung adenocarcinoma non-small cell lung carcinoma psoriasis
A, B, C, D	Pharos: P83916	prostate cancer dermatomyositis lymphoplasmacytic lymphoma ovarian cancer epilepsy medulloblastoma pancreatic ductal adenocarcinoma Prostatic Neoplasms lung cancer non-small cell lung carcinoma primary hyperoxaluria type 1

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.