Annotations: 3G7L

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Chromo domain	8063008	4000375	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Chromo domain-like	8063009	3000161	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	Chromo	e3g7lA1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00385	Chromo (CHRromatin Organisation MOdifier) domain (Chromo)	Chromo (CHRromatin Organisation MOdifier) domain	-	Domain
B [auth P]	PF00125	Core histone H2A/H2B/H3/H4 (Histone)	Core histone H2A/H2B/H3/H4	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Chromo domain-containing protein 1	protein binding binding histone binding protein-containing complex binding chromatin binding RNA binding organic cyclic compound binding nucleic acid binding single-stranded RNA binding DNA binding histone reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein binding binding histone binding protein-containing complex binding chromatin binding RNA binding organic cyclic compound binding nucleic acid binding single-stranded RNA binding DNA binding histone reader activity chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity methylated histone binding modification-dependent protein binding methylation-dependent protein binding	cellular process cell cycle chromosome segregation cell cycle process 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 cellular process cell cycle chromosome segregation cell cycle process 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 siRNA-mediated pericentric heterochromatin formation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulatory ncRNA-mediated gene silencing pericentric heterochromatin formation regulation of gene expression negative regulation of gene expression constitutive heterochromatin formation biosynthetic process regulatory ncRNA-mediated heterochromatin formation negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process subtelomeric heterochromatin formation telomere organization chromosome organization organelle organization negative regulation of nitrogen compound 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 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 cellular nitrogen compound metabolic process primary metabolic process organic cyclic compound metabolic process aromatic compound biosynthetic process 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 nitrogen compound metabolic process regulation of RNA biosynthetic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process nucleic acid metabolic process cellular aromatic compound metabolic 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 cytoplasm 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 cytoplasm chromosome, subtelomeric region chromosome, telomeric region chromosomal region pericentric heterochromatin chromosome, centromeric region microtubule organizing center cytoskeleton spindle pole body microtubule cytoskeleton membrane-bounded organelle nucleus membrane-enclosed lumen nuclear protein-containing complex nuclear chromosome RNAi effector complex intracellular organelle lumen RITS complex intracellular membrane-bounded organelle organelle lumen ribonucleoprotein complex nuclear lumen
B [auth P]	Histone H3.1/H3.2	DNA binding binding organic cyclic compound binding nucleic acid binding chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein heterodimerization activity protein binding protein dimerization activity structural molecule activity structural constituent of chromatin	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular 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 cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular 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 negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process establishment of organelle localization cellular localization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment localization chromosome localization organelle localization establishment of localization in cell mitotic sister chromatid segregation cell cycle chromosome segregation cell cycle process mitotic nuclear division attachment of spindle microtubules to kinetochore sister chromatid biorientation organelle fission attachment of mitotic spindle microtubules to kinetochore chromosome organization sister chromatid segregation establishment of localization mitotic sister chromatid biorientation organelle organization nuclear division mitotic cell cycle process nuclear chromosome segregation establishment of chromosome localization	protein-containing complex intracellular anatomical structure protein-DNA complex chromatin chromosome cellular anatomical entity heterochromatin intracellular organelle organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle mating-type region heterochromatin membrane-bounded organelle inclusion body protein-containing complex intracellular anatomical structure protein-DNA complex chromatin chromosome cellular anatomical entity heterochromatin intracellular organelle organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle mating-type region heterochromatin membrane-bounded organelle inclusion body nucleus intracellular membrane-bounded organelle nucleolar peripheral inclusion body nuclear inclusion body nucleosome chromosome, subtelomeric region chromosome, telomeric region chromosomal region pericentric heterochromatin chromosome, centromeric region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR048709	Chop1, PIN domain	Domain
A	IPR023780	Chromo domain	Domain
A	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A	IPR023779	Chromo domain, conserved site	Conserved Site
A	IPR000953	Chromo/chromo shadow domain	Domain
A	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
B [auth P]	IPR009072	Histone-fold	Homologous Superfamily
B [auth P]	IPR007125	Histone H2A/H2B/H3	Domain
B [auth P]	IPR000164	Histone H3/CENP-A	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth P]	M3L	Parent Component: LYS RESID: AA0074 PSI-MOD : N6,N6,N6-trimethyl-L-lysine MOD:00083

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.