Annotations: 3NR1

A metazoan ortholog of SpoT hydrolyzes ppGpp and plays a role in starvation responses

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Trypsin	e3nr1B1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
A	Lipocalin	e3nr1A1	A: alpha arrays	X: Retrovirus capsid protein	H: Retrovirus capsid protein N-terminal domain	T: Retrovirus capsid protein N-terminal domain	F: Lipocalin	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)
A	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13328	HD domain (HD_4)	HD domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HD domain-containing protein 3	phosphoric ester hydrolase activity diphosphoric monoester hydrolase activity hydrolase activity, acting on ester bonds guanosine-3',5'-bis(diphosphate) 3'-diphosphatase activity hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR052194	Guanosine-3',5'-bis(diphosphate) 3'-pyrophosphohydrolase	Family
A, B	IPR003607	HD/PDEase domain	Domain
A, B	IPR006674	HD domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	: Q8N4P3	attention deficit hyperactivity disorder, inattentive type breast carcinoma hypertensive disorder autism spectrum disorder endogenous depression myocardial infarction bipolar disorder heart disease

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.