Annotations: 5YHW

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e5yhwA1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e5yhwC1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
E	F_UNCLASSIFIED	e5yhwE1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
F	F_UNCLASSIFIED	e5yhwF1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
H	F_UNCLASSIFIED	e5yhwH1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e5yhwB1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e5yhwD1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)
G	F_UNCLASSIFIED	e5yhwG1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF01966	HD domain (HD)	HD domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Deoxynucleoside triphosphate triphosphohydrolase SAMHD1	dGTP binding guanyl nucleotide binding binding deoxyribonucleotide binding nucleotide binding purine deoxyribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding guanyl deoxyribonucleotide binding heterocyclic compound binding carbohydrate derivative binding dGTP binding guanyl nucleotide binding binding deoxyribonucleotide binding nucleotide binding purine deoxyribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding guanyl deoxyribonucleotide binding heterocyclic compound binding carbohydrate derivative binding small molecule binding nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity phosphoric ester hydrolase activity triphosphoric monoester hydrolase activity dGTPase activity cation binding transition metal ion binding zinc ion binding metal ion binding RNA binding nucleic acid binding identical protein binding protein binding DNA binding single-stranded DNA binding	deoxyribonucleotide catabolic process catabolic process nucleoside triphosphate catabolic process purine nucleoside triphosphate catabolic process purine deoxyribonucleoside triphosphate metabolic process carbohydrate derivative metabolic process organophosphate catabolic process dGTP metabolic process nucleoside phosphate catabolic process deoxyribose phosphate catabolic process nucleobase-containing compound metabolic process organic substance metabolic process purine nucleotide metabolic process deoxyribonucleotide metabolic process purine deoxyribonucleoside triphosphate catabolic process deoxyribonucleotide catabolic process catabolic process nucleoside triphosphate catabolic process purine nucleoside triphosphate catabolic process purine deoxyribonucleoside triphosphate metabolic process carbohydrate derivative metabolic process organophosphate catabolic process dGTP metabolic process nucleoside phosphate catabolic process deoxyribose phosphate catabolic process nucleobase-containing compound metabolic process organic substance metabolic process purine nucleotide metabolic process deoxyribonucleotide metabolic process purine deoxyribonucleoside triphosphate catabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleotide catabolic process deoxyribonucleoside triphosphate metabolic process nucleoside phosphate metabolic process organonitrogen compound catabolic process purine nucleoside triphosphate metabolic process purine nucleotide catabolic process purine deoxyribonucleotide catabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process cellular metabolic process 2'-deoxyribonucleotide metabolic process primary metabolic process purine-containing compound catabolic process deoxyribonucleoside triphosphate catabolic process nucleotide metabolic process deoxyribose phosphate metabolic process organic cyclic compound catabolic process purine-containing compound metabolic process nucleobase-containing compound catabolic process organic cyclic compound metabolic process organophosphate metabolic process purine deoxyribonucleotide metabolic process metabolic process cellular process nucleoside triphosphate metabolic process dGTP catabolic process organic substance catabolic process DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity DNA metabolic process nucleic acid metabolic process DNA replication DNA strand resection involved in replication fork processing macromolecule metabolic process replication fork processing regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus response to biotic stimulus response to stress regulation of response to stress innate immune response regulation of immune system process response to external biotic stimulus regulation of biological process immune response response to other organism defense response regulation of innate immune response biological regulation defense response to symbiont response to external stimulus regulation of response to stimulus immune system process defense response to other organism regulation of immune response cellular response to stimulus double-strand break repair DNA recombination cellular response to stress DNA damage response recombinational repair double-strand break repair via homologous recombination DNA repair dATP metabolic process dATP catabolic process response to organic substance regulation of cellular process regulation of type I interferon-mediated signaling pathway negative regulation of biological process response to cytokine regulation of signal transduction cell communication interferon-mediated signaling pathway cellular response to type I interferon cellular response to cytokine stimulus signal transduction negative regulation of immune response regulation of response to cytokine stimulus negative regulation of response to cytokine stimulus response to chemical negative regulation of response to external stimulus negative regulation of defense response response to type I interferon negative regulation of response to biotic stimulus negative regulation of signaling signaling negative regulation of cell communication cytokine-mediated signaling pathway negative regulation of cellular process cellular response to organic substance regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus regulation of cytokine-mediated signaling pathway negative regulation of signal transduction cellular response to chemical stimulus negative regulation of immune system process negative regulation of cytokine-mediated signaling pathway type I interferon-mediated signaling pathway regulation of cell communication negative regulation of type I interferon-mediated signaling pathway negative regulation of innate immune response protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis immune system development multicellular organismal process immunoglobulin production cellular biosynthetic process somatic diversification of immune receptors via somatic mutation multicellular organism development anatomical structure development organic substance biosynthetic process somatic diversification of immune receptors somatic hypermutation of immunoglobulin genes system development developmental process production of molecular mediator of immune response gene expression macromolecule biosynthetic process somatic diversification of immunoglobulins biosynthetic process defense response to virus response to virus	intracellular organelle site of double-strand break intracellular anatomical structure organelle intracellular non-membrane-bounded organelle site of DNA damage chromosome cellular anatomical entity non-membrane-bounded organelle tetraspanin-enriched microdomain cell periphery plasma membrane membrane membrane-bounded organelle intracellular organelle site of double-strand break intracellular anatomical structure organelle intracellular non-membrane-bounded organelle site of DNA damage chromosome cellular anatomical entity non-membrane-bounded organelle tetraspanin-enriched microdomain cell periphery plasma membrane membrane membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003607	HD/PDEase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR001660	Sterile alpha motif domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR006674	HD domain	Domain

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.