Annotations: 2L2L

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	P66 coiled-coil region-like	8045784	4004683	SCOP2 (2021-05-27)
A	SCOP2 Superfamily	P66/MBD interaction region-like	8092076	3002559	SCOP2 (2021-05-27)
B	SCOP2 Family	MBD coiled-coil region-like	8049433	4006497	SCOP2 (2021-05-27)
B	SCOP2 Superfamily	P66/MBD interaction region-like	8092077	3002559	SCOP2 (2021-05-27)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.250.1650	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF16563	Coiled-coil and interaction region of P66A and P66B with MBD2 (P66_CC)	Coiled-coil and interaction region of P66A and P66B with MBD2	-	Coiled-coil

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Transcriptional repressor p66-alpha	sequence-specific DNA binding DNA binding binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding protein-macromolecule adaptor activity molecular adaptor activity	regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process developmental process regulation of developmental process cellular developmental process regulation of cell differentiation stem cell differentiation cell differentiation regulation of stem cell differentiation regulation of cell fate commitment cell fate specification regulation of cell fate specification cell fate commitment positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II protein-DNA complex organization cellular component organization protein-containing complex organization chromatin organization chromatin remodeling cellular component organization or biogenesis	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex ATPase complex nuclear protein-containing complex transcription regulator complex chromosome histone deacetylase complex NuRD complex SWI/SNF superfamily-type complex non-membrane-bounded organelle catalytic complex protein-DNA complex chromatin intracellular non-membrane-bounded organelle CHD-type complex
B	Methyl-CpG-binding domain protein 2	protein binding binding protein domain specific binding regulatory RNA binding RNA binding siRNA binding organic cyclic compound binding nucleic acid binding protein-containing complex binding chromatin binding C2H2 zinc finger domain binding mRNA binding DNA binding sequence-specific DNA binding protein binding binding protein domain specific binding regulatory RNA binding RNA binding siRNA binding organic cyclic compound binding nucleic acid binding protein-containing complex binding chromatin binding C2H2 zinc finger domain binding mRNA binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding satellite DNA binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding methyl-CpG binding small molecule binding molecular adaptor activity identical protein binding	regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular 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 component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis maternal behavior behavior multicellular organismal process parental behavior reproductive process multicellular organismal reproductive process reproductive behavior developmental process heart development cardiac muscle tissue development animal organ development tissue development striated muscle tissue development circulatory system development multicellular organism development ventricular cardiac muscle tissue development anatomical structure development muscle tissue development system development protein-DNA complex organization chromatin organization DNA methylation-dependent heterochromatin formation chromatin remodeling heterochromatin formation epigenetic regulation of gene expression negative regulation of gene expression facultative heterochromatin formation negative regulation of gene expression, epigenetic embryonic organ development embryo development response to stimulus response to mechanical stimulus response to abiotic stimulus response to external stimulus cellular response to stimulus positive regulation of cell communication positive regulation of signal transduction signaling positive regulation of biological process regulation of signal transduction cell communication positive regulation of response to stimulus positive regulation of Wnt signaling pathway signal transduction Wnt signaling pathway positive regulation of cellular process regulation of signaling cell surface receptor signaling pathway regulation of Wnt signaling pathway regulation of response to stimulus regulation of cell communication positive regulation of signaling positive regulation of DNA-templated transcription positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process cell population proliferation regulation of cell population proliferation response to nutrient levels transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II cellular response to chemical stimulus response to chemical cellular response to organic cyclic compound response to organic cyclic compound response to lipid response to estradiol response to oxygen-containing compound	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle ATPase complex nuclear protein-containing complex transcription regulator complex histone deacetylase complex NuRD complex SWI/SNF superfamily-type complex catalytic complex CHD-type complex heterochromatin

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR040386	Transcriptional repressor p66	Family
A	IPR000679	Zinc finger, GATA-type	Domain
A	IPR032346	Transcriptional repressor p66, coiled-coil MBD2-interaction domain	Domain
B	IPR025884	Methyl-CpG binding protein 2/3, C-terminal domain	Domain
B	IPR016177	DNA-binding domain superfamily	Homologous Superfamily
B	IPR001739	Methyl-CpG DNA binding	Domain
B	IPR032343	Methyl-CpG-binding domain protein 2/3, p55-binding region	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q86YP4	acute myeloid leukemia astrocytic tumor gastric carcinoma malignant glioma osteosarcoma pancreatic ductal adenocarcinoma Tourette syndrome alcoholic liver cirrhosis bipolar disorder glioblastoma medulloblastoma ovarian cancer prostate carcinoma anorexia nervosa breast carcinoma acute myeloid leukemia astrocytic tumor gastric carcinoma malignant glioma osteosarcoma pancreatic ductal adenocarcinoma Tourette syndrome alcoholic liver cirrhosis bipolar disorder glioblastoma medulloblastoma ovarian cancer prostate carcinoma anorexia nervosa breast carcinoma lung cancer non-alcoholic fatty liver disease ovarian carcinoma psoriasis

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 R01GM133198.