Annotations: 5YHW

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H	HD	e5yhwH1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
G	HD	e5yhwG1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
F	HD	e5yhwF1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
E	HD	e5yhwE1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
D	HD	e5yhwD1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
C	HD	e5yhwC1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
B	HD	e5yhwB1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	ECOD (1.6)
A	HD	e5yhwA1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD	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 anion binding guanyl deoxyribonucleotide binding heterocyclic compound binding carbohydrate derivative binding small molecule binding dGTP binding guanyl nucleotide binding binding deoxyribonucleotide binding nucleotide binding purine deoxyribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding guanyl deoxyribonucleotide binding heterocyclic compound binding carbohydrate derivative binding small molecule binding phosphoric ester hydrolase activity triphosphoric monoester hydrolase activity dGTPase activity hydrolase activity, acting on ester bonds hydrolase activity catalytic activity RNA binding nucleic acid binding GTP binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding ribonucleotide binding nuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity deoxynucleoside triphosphate hydrolase activity cation binding transition metal ion binding zinc ion binding metal ion binding identical protein binding protein binding DNA binding single-stranded DNA binding	cellular response to stimulus regulation of cellular process response to stimulus regulation of type I interferon-mediated signaling pathway negative regulation of biological process response to cytokine regulation of signal transduction response to biotic stimulus cell communication interferon-mediated signaling pathway cellular response to type I interferon cellular response to cytokine stimulus regulation of immune system process signal transduction cellular response to stimulus regulation of cellular process response to stimulus regulation of type I interferon-mediated signaling pathway negative regulation of biological process response to cytokine regulation of signal transduction response to biotic stimulus cell communication interferon-mediated signaling pathway cellular response to type I interferon cellular response to cytokine stimulus regulation of immune system process signal transduction regulation of biological process immune response response to other organism regulation of innate immune response negative regulation of immune response response to external stimulus regulation of response to cytokine stimulus negative regulation of response to cytokine stimulus regulation of response to stimulus response to chemical defense response to other organism negative regulation of response to external stimulus negative regulation of defense response regulation of immune response response to type I interferon regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus negative regulation of response to biotic stimulus negative regulation of signaling signaling negative regulation of cell communication cytokine-mediated signaling pathway response to stress regulation of response to stress negative regulation of cellular process innate immune response response to external biotic stimulus regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus defense response regulation of cytokine-mediated signaling pathway biological regulation defense response to symbiont negative regulation of signal transduction response to peptide negative regulation of immune system process negative regulation of cytokine-mediated signaling pathway immune system process type I interferon-mediated signaling pathway regulation of cell communication cellular process 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 developmental process production of molecular mediator of immune response multicellular organismal process immunoglobulin production somatic diversification of immune receptors via somatic mutation gene expression macromolecule biosynthetic process somatic diversification of immunoglobulins multicellular organism development biosynthetic process anatomical structure development somatic diversification of immune receptors metabolic process macromolecule metabolic process somatic hypermutation of immunoglobulin genes system development 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 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 purine nucleoside triphosphate metabolic process purine nucleotide catabolic process purine deoxyribonucleotide catabolic process carbohydrate derivative catabolic process 2'-deoxyribonucleotide metabolic process primary metabolic process purine-containing compound catabolic process deoxyribonucleoside triphosphate catabolic process nucleotide metabolic process purine-containing compound metabolic process nucleobase-containing compound catabolic process organophosphate metabolic process purine deoxyribonucleotide metabolic process nucleoside triphosphate metabolic process dGTP 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 replication fork processing 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 defense response to virus response to virus	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle nuclear lumen site of double-strand break membraneless organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle nuclear lumen site of double-strand break membraneless organelle site of DNA damage intracellular membraneless organelle chromosome tetraspanin-enriched microdomain cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR050135	Deoxyguanosinetriphosphate triphosphohydrolase-like	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR006674	HD domain	Domain
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

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.