2CKA

Solution structures of the BRK domains of the human Chromo Helicase Domain 7 and 8, reveals structural similarity with GYF domain suggesting a role in protein interaction

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-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ckaa1	Alpha and beta proteins (a+b)	GYF/BRK domain-like	BRK domain-like	BRK domain-like	Chromodomain-helicase-dna-binding protein 8, CHD8	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	SCOP2 Family	BRK domain-like	8021300	4002127	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	BRK domain-like	8033680	3000853	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	BRK	e2ckaA1	A: a+b two layers	X: GYF/BRK domain-like	H: BRK domain-like (From Topology)	T: BRK domain-like	F: BRK	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.5.120	Alpha Beta	3-Layer(aba) Sandwich	Ribosomal Protein L9	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07533	BRK domain (BRK)	BRK domain	The function of this domain is unknown [1]. It is often found associated with helicases and transcription factors.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 8	ATP-dependent activity, acting on DNA catalytic activity, acting on DNA DNA translocase activity catalytic activity, acting on a nucleic acid chromatin extrusion motor activity catalytic activity ATP-dependent activity ATP-dependent H3-H4 histone complex chaperone activity catalytic activity, acting on a protein histone chaperone activity ATP-dependent chromatin remodeler activity H3-H4 histone complex chaperone activity protein carrier chaperone ATP-dependent histone chaperone activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA DNA translocase activity catalytic activity, acting on a nucleic acid chromatin extrusion motor activity catalytic activity ATP-dependent activity ATP-dependent H3-H4 histone complex chaperone activity catalytic activity, acting on a protein histone chaperone activity ATP-dependent chromatin remodeler activity H3-H4 histone complex chaperone activity protein carrier chaperone ATP-dependent histone chaperone activity molecular carrier activity protein binding binding histone binding forked DNA-dependent helicase activity DNA helicase activity helicase activity adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding methylated histone binding modification-dependent protein binding methylation-dependent protein binding double-stranded DNA helicase activity p53 binding cohesin loader activity DNA clamp loader activity chromatin binding ATP-dependent H2AZ histone chaperone activity single-stranded 3'-5' DNA helicase activity single-stranded DNA helicase activity 3'-5' DNA helicase activity four-way junction helicase activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides beta-catenin binding	developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development cellular response to stimulus regulation of cellular process response to stimulus signaling developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development cellular response to stimulus regulation of cellular process response to stimulus signaling negative regulation of signaling regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway negative regulation of biological process regulation of signal transduction negative regulation of cell communication cell communication negative regulation of Wnt signaling pathway negative regulation of cellular process signal transduction Wnt signaling pathway regulation of biological process regulation of signaling cell surface receptor signaling pathway regulation of Wnt signaling pathway negative regulation of response to stimulus biological regulation negative regulation of signal transduction negative regulation of canonical Wnt signaling pathway regulation of response to stimulus regulation of cell communication cellular process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process metabolic process macromolecule metabolic process RNA processing negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death negative regulation of apoptotic process fibroblast apoptotic process negative regulation of fibroblast apoptotic process apoptotic process programmed cell death regulation of fibroblast apoptotic process embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development startle response system process nervous system process regulation of response to external stimulus neuromuscular process prepulse inhibition response to external stimulus negative regulation of response to external stimulus regulation of primary metabolic process negative regulation of RNA biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II 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 regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process regulation of macromolecule metabolic process regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological 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 transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process digestive system development tube development digestive tract development behavior biological process involved in intraspecies interaction between organisms social behavior positive regulation of transcription by RNA polymerase III transcription by RNA polymerase III regulation of transcription by RNA polymerase III cellular component organization chromatin organization chromatin remodeling cellular component organization or biogenesis	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle protein-containing complex histone methyltransferase complex catalytic complex nucleus membrane-enclosed lumen intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle protein-containing complex histone methyltransferase complex catalytic complex nucleus membrane-enclosed lumen nuclear protein-containing complex MLL1/2 complex intracellular membrane-bounded organelle transferase complex intracellular organelle lumen MLL1 complex nucleoplasm organelle lumen methyltransferase complex nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR034724	Chromodomain-helicase-DNA-binding protein 8	Family
A	IPR049730	SNF2/RAD5-like, C-terminal helicase domain	Domain
A	IPR006576	BRK domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR037259	BRK domain superfamily	Homologous Superfamily
A	IPR001650	Helicase, C-terminal domain-like	Domain
A	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
A	IPR000330	SNF2, N-terminal	Domain
A	IPR023780	Chromo domain	Domain
A	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A	IPR051493	Chromodomain-helicase-DNA-binding	Family
A	IPR038718	SNF2-like, N-terminal domain superfamily	Homologous Superfamily
A	IPR000953	Chromo/chromo shadow domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9HCK8	intellectual disability autism autism, susceptibility to, 18 autism spectrum disorder megalencephaly astrocytic tumor Autism Spectrum Disorders psoriasis diabetes mellitus digestive system disease

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 R01GM157729.