Annotations: 6TYU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF03731	e6tyuA1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: vWA-like	F: PF03731	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	von Willebrand factor, type A domain	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	X-ray repair cross-complementing protein 5	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding hydrolase activity catalytic activity ATP-dependent activity, acting on DNA DNA helicase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid helicase activity ATP-dependent activity sequence-specific DNA binding DNA binding nucleic acid binding telomeric DNA binding damaged DNA binding	nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process DNA recombination metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular response to stimulus double-strand break repair response to stimulus double-strand break repair via nonhomologous end joining cellular response to stress nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process DNA recombination metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular response to stimulus double-strand break repair response to stimulus double-strand break repair via nonhomologous end joining cellular response to stress DNA damage response response to stress cellular process DNA repair telomere organization chromosome organization telomere maintenance cellular component organization organelle organization cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle protein-containing complex intracellular anatomical structure organelle nucleus nuclear protein-containing complex Ku70:Ku80 complex intracellular membrane-bounded organelle cellular anatomical entity
B	LYS-THR-ARG-VAL-LEU-PRO-SER-TRP-LEU-THR-ALA	-	cellular response to stimulus regulation of cellular process regulation of double-strand break repair response to stimulus regulation of cellular response to stress negative regulation of biological process negative regulation of double-strand break repair via nonhomologous end joining regulation of primary metabolic process nucleobase-containing compound metabolic process negative regulation of DNA repair organic substance metabolic process cellular response to stress response to stress regulation of response to stress negative regulation of double-strand break repair cellular response to stimulus regulation of cellular process regulation of double-strand break repair response to stimulus regulation of cellular response to stress negative regulation of biological process negative regulation of double-strand break repair via nonhomologous end joining regulation of primary metabolic process nucleobase-containing compound metabolic process negative regulation of DNA repair organic substance metabolic process cellular response to stress response to stress regulation of response to stress negative regulation of double-strand break repair negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of double-strand break repair via nonhomologous end joining DNA repair negative regulation of macromolecule metabolic process double-strand break repair regulation of biological process double-strand break repair via nonhomologous end joining negative regulation of response to stimulus negative regulation of metabolic process biological regulation primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process regulation of DNA repair organic cyclic compound metabolic process DNA damage response regulation of response to stimulus metabolic process cellular process negative regulation of DNA metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process immune system development multicellular organismal process immunoglobulin production cellular biosynthetic process somatic cell DNA recombination multicellular organism development V(D)J recombination somatic recombination of immunoglobulin gene segments anatomical structure development organic substance biosynthetic process somatic diversification of immune receptors system development developmental process production of molecular mediator of immune response DNA recombination cellular metabolic process gene expression macromolecule biosynthetic process somatic diversification of immunoglobulins immunoglobulin V(D)J recombination biosynthetic process immune system process somatic diversification of immune receptors via germline recombination within a single locus	intracellular anatomical structure cytoplasm cellular anatomical entity intracellular organelle site of double-strand break organelle intracellular non-membrane-bounded organelle site of DNA damage chromosome non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036494	Ku, C-terminal domain superfamily	Homologous Superfamily
A	IPR024193	Ku80	Family
A	IPR016194	SPOC-like, C-terminal domain superfamily	Homologous Superfamily
A	IPR006164	Ku70/Ku80 beta-barrel domain	Domain
A	IPR036465	von Willebrand factor A-like domain superfamily	Homologous Superfamily
A	IPR005161	Ku70/Ku80, N-terminal alpha/beta	Domain
A	IPR014893	Ku, C-terminal	Domain
A	IPR005160	Ku70/Ku80 C-terminal arm	Domain
B	IPR028278	Modulator of retrovirus infection	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: Q9BWK5	atypical teratoid rhabdoid tumor large cell medulloblastoma malignant glioma colorectal cancer lung cancer medulloblastoma glioblastoma malignant ependymoma

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.