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 (2022-06-29)
A	SCOP2 Superfamily	P66/MBD interaction region-like	8092076	3002559	SCOP2 (2022-06-29)
B	SCOP2 Family	MBD coiled-coil region-like	8049433	4006497	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	P66/MBD interaction region-like	8092077	3002559	SCOP2 (2022-06-29)

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
B	PF14048	C-terminal domain of methyl-CpG binding protein 2 and 3 (MBD_C)	C-terminal domain of methyl-CpG binding protein 2 and 3	-	Family

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 negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of 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 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 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 gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular 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 macromolecule biosynthetic process positive regulation of metabolic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of cellular 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 DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding organic cyclic compound binding satellite DNA binding nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding methyl-CpG binding protein binding binding protein domain specific binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding organic cyclic compound binding satellite DNA binding nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding methyl-CpG binding small molecule binding molecular adaptor activity C2H2 zinc finger domain binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of 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 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 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 gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of cellular 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 chromatin organization DNA methylation-dependent heterochromatin formation chromatin remodeling cellular component organization or biogenesis heterochromatin formation protein-containing complex organization epigenetic regulation of gene expression negative regulation of gene expression facultative heterochromatin formation negative regulation of gene expression, epigenetic	membrane-bounded organelle protein-containing complex ATPase complex intracellular anatomical structure nucleus membrane-enclosed lumen nuclear protein-containing complex transcription regulator complex chromosome intracellular organelle lumen histone deacetylase complex intracellular organelle nucleoplasm NuRD complex membrane-bounded organelle protein-containing complex ATPase complex intracellular anatomical structure nucleus membrane-enclosed lumen nuclear protein-containing complex transcription regulator complex chromosome intracellular organelle lumen histone deacetylase complex intracellular organelle nucleoplasm NuRD complex SWI/SNF superfamily-type complex non-membrane-bounded organelle catalytic complex protein-DNA complex chromatin intracellular membrane-bounded organelle cellular anatomical entity organelle lumen organelle intracellular non-membrane-bounded organelle CHD-type complex nuclear lumen cytoplasm cytosol

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	IPR001739	Methyl-CpG DNA binding	Domain
B	IPR032343	Methyl-CpG-binding domain protein 2/3, p55-binding region	Domain
B	IPR016177	DNA-binding domain superfamily	Homologous Superfamily

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
B	Pharos: Q9UBB5	prostate cancer atypical teratoid rhabdoid tumor large cell medulloblastoma malignant glioma pilocytic astrocytoma Prostate cancer, familial schizophrenia glioblastoma lung cancer medulloblastoma primitive neuroectodermal tumor spina bifida juvenile dermatomyositis malignant ependymoma ovarian cancer prostate cancer atypical teratoid rhabdoid tumor large cell medulloblastoma malignant glioma pilocytic astrocytoma Prostate cancer, familial schizophrenia glioblastoma lung cancer medulloblastoma primitive neuroectodermal tumor spina bifida juvenile dermatomyositis malignant ependymoma ovarian cancer psoriasis subependymal giant cell astrocytoma

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.