Annotations: 3I90

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3i90a_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ]	SCOPe (2.08)
B	d3i90b_	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ]	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Chromo	e3i90A1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo	ECOD (1.6)
B	Chromo	e3i90B1	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 (4.2.0)
B	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.2.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A, B	PF00385	Chromo (CHRromatin Organisation MOdifier) domain (Chromo)	Chromo (CHRromatin Organisation MOdifier) domain	-	Domain

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Chromobox protein homolog 6	nucleic acid binding RNA binding single-stranded RNA binding binding organic cyclic compound binding heterocyclic compound binding		intracellular anatomical structure nucleus nucleoplasm membrane-enclosed lumen nuclear lumen organelle membrane-bounded organelle intracellular organelle intracellular membrane-bounded organelle organelle lumen intracellular organelle lumen cellular anatomical entity PcG protein complex protein-containing complex nuclear protein-containing complex
C, D	H3K27 peptide	none	none	none

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
C, D	M3L	Parent Component: LYS RESID: AA0074 PSI-MOD : N6,N6,N6-trimethyl-L-lysine MOD:00083

RCSB PDB is 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.