7ZR1

Chaetomium thermophilum Mre11-Rad50-Nbs1 complex bound to ATPyS (composite structure)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Mre11 C-terminal domain-like	8090755	3002453	SCOP2B (2021-05-27)
A	SCOP2B Superfamily	Metallo-dependent phosphatases	8090754	3001067	SCOP2B (2021-05-27)
B	SCOP2B Superfamily	Mre11 C-terminal domain-like	8090755	3002453	SCOP2B (2021-05-27)
B	SCOP2B Superfamily	Metallo-dependent phosphatases	8090754	3001067	SCOP2B (2021-05-27)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00149	Calcineurin-like phosphoesterase (Metallophos)	Calcineurin-like phosphoesterase	This family includes a diverse range of phosphoesterases [1], including protein phosphoserine phosphatases, nucleotidases, sphingomyelin phosphodiesterases and 2'-3' cAMP phosphodiesterases as well as nucleases such as bacterial SbcD Swiss:P13457 or ...	This family includes a diverse range of phosphoesterases [1], including protein phosphoserine phosphatases, nucleotidases, sphingomyelin phosphodiesterases and 2'-3' cAMP phosphodiesterases as well as nucleases such as bacterial SbcD Swiss:P13457 or yeast MRE11 Swiss:P32829. The most conserved regions in this superfamily centre around the metal chelating residues.	Domain
A, B	PF04152	Mre11 DNA-binding presumed domain (Mre11_DNA_bind)	Mre11 DNA-binding presumed domain	The Mre11 complex is a multi-subunit nuclease that is composed of Mre11, Rad50 and Nbs1/Xrs2, and is involved in checkpoint signalling and DNA replication [1]. Mre11 has an intrinsic DNA-binding activity that is stimulated by Rad50 on its own or i ...	The Mre11 complex is a multi-subunit nuclease that is composed of Mre11, Rad50 and Nbs1/Xrs2, and is involved in checkpoint signalling and DNA replication [1]. Mre11 has an intrinsic DNA-binding activity that is stimulated by Rad50 on its own or in combination with Nbs1 [2].	Domain
C, D	PF13558	SbcC/RAD50-like, Walker B motif (SbcC_Walker_B)	SbcC/RAD50-like, Walker B motif	This entry represents the Walker B domain of RAD50 from eukaryotes and the prokaryotic homologue SbcCD complex subunit C. RAD50-ATPase forms a complex with Mre11-nuclease that detects and processes diverse and obstructed DNA ends. This domain is sepa ...	This entry represents the Walker B domain of RAD50 from eukaryotes and the prokaryotic homologue SbcCD complex subunit C. RAD50-ATPase forms a complex with Mre11-nuclease that detects and processes diverse and obstructed DNA ends. This domain is separated of the Walker A domain by a long coiled-coil domain and forms the nucleotide-binding domain (NBD) when the coiled coils fold back on themselves and bring together Walker A and B domains [1,2,3,4]. Two RAD50-NBDs forms heterotetramers with a Mre11 nuclease dimer that assemble as catalytic head module that binds and cleaves DNA in an ATP-dependent reaction. Through secondary structural analysis, it has been suggested that there is a wide structural conservation in the Rad50/SMC protein family as seen in structural similarities between RAD50's hook and ABC-ATPase MukB's elbow region [4].	Domain
C, D	PF13476	AAA domain (AAA_23)	AAA domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Double-strand break repair protein	DNA exonuclease activity catalytic activity, acting on a nucleic acid 3'-5' exonuclease activity hydrolase activity DNA exonuclease activity, producing 5'-phosphomonoesters DNA nuclease activity exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA 3'-5'-DNA exonuclease activity exonuclease activity catalytic activity DNA endonuclease activity DNA exonuclease activity catalytic activity, acting on a nucleic acid 3'-5' exonuclease activity hydrolase activity DNA exonuclease activity, producing 5'-phosphomonoesters DNA nuclease activity exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA 3'-5'-DNA exonuclease activity exonuclease activity catalytic activity DNA endonuclease activity endonuclease activity single-stranded DNA endodeoxyribonuclease activity cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding	sexual reproduction reproductive process meiotic cell cycle primary metabolic process DNA metabolic process meiotic cell cycle process nucleic acid metabolic process nucleobase-containing compound metabolic process meiotic DNA double-strand break formation meiosis I cell cycle process cellular process metabolic process cell cycle macromolecule metabolic process sexual reproduction reproductive process meiotic cell cycle primary metabolic process DNA metabolic process meiotic cell cycle process nucleic acid metabolic process nucleobase-containing compound metabolic process meiotic DNA double-strand break formation meiosis I cell cycle process cellular process metabolic process cell cycle macromolecule metabolic process cell cycle process cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition DNA damage checkpoint signaling response to stimulus signaling G2/M transition of mitotic cell cycle mitotic G2 DNA damage checkpoint signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle mitotic G2/M transition checkpoint cell communication regulation of mitotic cell cycle mitotic DNA integrity checkpoint signaling cellular response to stress response to stress mitotic DNA damage checkpoint signaling negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction regulation of cell cycle cell cycle G2/M phase transition regulation of biological process negative regulation of mitotic cell cycle phase transition regulation of G2/M transition of mitotic cell cycle regulation of cell cycle process biological regulation DNA integrity checkpoint signaling regulation of cell cycle G2/M phase transition negative regulation of cell cycle process cell cycle checkpoint signaling regulation of mitotic cell cycle phase transition mitotic cell cycle checkpoint signaling mitotic cell cycle process DNA damage response negative regulation of cell cycle G2/M phase transition signal transduction in response to DNA damage negative regulation of G2/M transition of mitotic cell cycle mitotic cell cycle phase transition double-strand break repair DNA recombination recombinational repair double-strand break repair via homologous recombination DNA repair mitochondrial double-strand break repair mitochondrial double-strand break repair via homologous recombination mitotic intra-S DNA damage checkpoint signaling double-strand break repair via nonhomologous end joining 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 Mre11 complex organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity site of double-strand break intracellular non-membrane-bounded organelle site of DNA damage chromosome membrane-bounded organelle intracellular organelle protein-containing complex intracellular anatomical structure Mre11 complex organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity site of double-strand break intracellular non-membrane-bounded organelle site of DNA damage chromosome non-membrane-bounded organelle
C, D	DH domain-containing protein	sequence-specific DNA binding DNA binding double-stranded telomeric DNA binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding telomeric DNA binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity pyrophosphatase activity sequence-specific DNA binding DNA binding double-stranded telomeric DNA binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding telomeric DNA binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator 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 catalytic activity ATP-dependent activity sequence-specific single stranded DNA binding single-stranded telomeric DNA binding single-stranded DNA binding G-quadruplex DNA binding cation binding ion binding metal ion binding small molecule binding	sexual reproduction reproductive process meiotic cell cycle chromosome organization meiotic cell cycle process cellular component organization chromosome organization involved in meiotic cell cycle organelle organization cellular process cellular component organization or biogenesis cell cycle cell cycle process cellular biosynthetic process telomere organization sexual reproduction reproductive process meiotic cell cycle chromosome organization meiotic cell cycle process cellular component organization chromosome organization involved in meiotic cell cycle organelle organization cellular process cellular component organization or biogenesis cell cycle cell cycle process cellular biosynthetic process telomere organization RNA-templated DNA biosynthetic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening nucleic acid biosynthetic process telomere maintenance via telomerase cellular metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process telomere maintenance biosynthetic process metabolic process macromolecule metabolic process DNA biosynthetic process DNA recombination mitotic recombination telomere maintenance via recombination cellular response to stimulus double-strand break repair response to stimulus cellular response to stress DNA damage response response to stress DNA repair DNA duplex unwinding DNA geometric change DNA conformation change	membrane-bounded organelle condensed nuclear chromosome intracellular anatomical structure nucleus membrane-enclosed lumen nuclear chromosome chromosome cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle membrane-bounded organelle condensed nuclear chromosome intracellular anatomical structure nucleus membrane-enclosed lumen nuclear chromosome chromosome cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle condensed chromosome non-membrane-bounded organelle nuclear lumen protein-containing complex Mre11 complex nuclear protein-containing complex
E	FHA domain-containing protein	DNA binding binding organic cyclic compound binding damaged DNA binding nucleic acid binding	cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition DNA damage checkpoint signaling response to stimulus signaling G2/M transition of mitotic cell cycle mitotic G2 DNA damage checkpoint signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle mitotic G2/M transition checkpoint cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition DNA damage checkpoint signaling response to stimulus signaling G2/M transition of mitotic cell cycle mitotic G2 DNA damage checkpoint signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle mitotic G2/M transition checkpoint cell communication regulation of mitotic cell cycle mitotic DNA integrity checkpoint signaling cellular response to stress response to stress mitotic DNA damage checkpoint signaling negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction cell cycle regulation of cell cycle cell cycle process cell cycle G2/M phase transition regulation of biological process negative regulation of mitotic cell cycle phase transition regulation of G2/M transition of mitotic cell cycle regulation of cell cycle process biological regulation DNA integrity checkpoint signaling regulation of cell cycle G2/M phase transition negative regulation of cell cycle process cell cycle checkpoint signaling regulation of mitotic cell cycle phase transition mitotic cell cycle checkpoint signaling mitotic cell cycle process DNA damage response negative regulation of cell cycle G2/M phase transition signal transduction in response to DNA damage cellular process negative regulation of G2/M transition of mitotic cell cycle mitotic cell cycle phase transition double-strand break repair DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process recombinational repair metabolic process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair cellular component organization DNA duplex unwinding organelle organization DNA geometric change chromosome organization DNA conformation change cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle protein-containing complex intracellular anatomical structure Mre11 complex organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004843	Calcineurin-like phosphoesterase domain, ApaH type	Domain
A, B	IPR038487	Mre11, capping domain	Homologous Superfamily
A, B	IPR003701	DNA double-strand break repair protein Mre11	Family
A, B	IPR029052	Metallo-dependent phosphatase-like	Homologous Superfamily
A, B	IPR007281	Mre11, DNA-binding	Domain
A, B	IPR041796	Mre11 nuclease, N-terminal metallophosphatase domain	Domain
C, D	IPR038729	Rad50/SbcC-type AAA domain	Domain
C, D	IPR000219	Dbl homology (DH) domain	Domain
C, D	IPR004584	DNA repair protein Rad50, eukaryotes	Family
C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
E	IPR040227	Nibrin-related	Family
E	IPR008984	SMAD/FHA domain superfamily	Homologous Superfamily
E	IPR032429	Nibrin, second BRCT domain	Domain
E	IPR000253	Forkhead-associated (FHA) domain	Domain
E	IPR043014	Nibrin, second BRCT domain superfamily	Homologous Superfamily
E	IPR036420	BRCT domain superfamily	Homologous Superfamily

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.