Annotations: 2HWY

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PIN_4	e2hwyA1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)
B	PIN_4	e2hwyB1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: PIN domain-like	F: PIN_4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)
B	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13638	PIN domain (PIN_4)	PIN domain	Members of this family of bacterial domains are predicted to be RNases (from similarities to 5'-exonucleases).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein SMG5	protein phosphatase binding phosphatase binding protein binding binding enzyme binding protein phosphatase 2A binding RNA binding telomerase RNA binding organic cyclic compound binding nucleic acid binding histone deacetylase binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding sequence-specific DNA binding protein phosphatase binding phosphatase binding protein binding binding enzyme binding protein phosphatase 2A binding RNA binding telomerase RNA binding organic cyclic compound binding nucleic acid binding histone deacetylase binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding sequence-specific DNA binding DNA binding telomeric DNA binding	regulation of telomere maintenance regulation of cellular component organization regulation of cellular process cellular biosynthetic process telomere organization regulation of DNA biosynthetic process regulation of primary metabolic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening cellular component organization nucleobase-containing compound metabolic process nucleic acid biosynthetic process cellular component organization or biogenesis regulation of nucleobase-containing compound metabolic process regulation of telomere maintenance regulation of cellular component organization regulation of cellular process cellular biosynthetic process telomere organization regulation of DNA biosynthetic process regulation of primary metabolic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening cellular component organization nucleobase-containing compound metabolic process nucleic acid biosynthetic process cellular component organization or biogenesis regulation of nucleobase-containing compound metabolic process regulation of biosynthetic process regulation of biological process telomere maintenance via telomerase cellular metabolic process biological regulation chromosome organization primary metabolic process regulation of cellular metabolic process DNA metabolic process regulation of chromosome organization regulation of macromolecule metabolic process regulation of telomere maintenance via telomere lengthening nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process regulation of organelle organization regulation of telomere maintenance via telomerase telomere maintenance regulation of cellular biosynthetic process organelle organization biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process DNA biosynthetic process regulation of DNA metabolic process cellular localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport mRNA transport localization mRNA export from nucleus establishment of localization in cell RNA localization nuclear export nucleobase-containing compound transport RNA transport nucleic acid transport intracellular transport gene expression establishment of localization RNA export from nucleus establishment of RNA localization macromolecule localization regulation of dephosphorylation dephosphorylation regulation of phosphate metabolic process phosphate-containing compound metabolic process regulation of phosphorus metabolic process phosphorus metabolic process catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process macromolecule catabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process mRNA catabolic process nuclear-transcribed mRNA catabolic process negative regulation of metabolic process mRNA metabolic process negative regulation of cellular biosynthetic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle telomerase holoenzyme complex organelle ribonucleoprotein complex cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR019458	Telomerase activating protein Est1-like, N-terminal	Domain
A, B	IPR018834	DNA/RNA-binding domain, Est1-type	Domain
A, B	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A, B	IPR002716	PIN domain	Domain
A, B	IPR045153	Est1/Ebs1-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9UPR3	cerebrovascular disorder testicular cancer testicular germ cell tumor

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.