Annotations: 4B9X

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SN_TDRD1	e4b9xA2	A: beta barrels	X: OB-fold	H: Staphylococcal nuclease (From Topology)	T: Staphylococcal nuclease	F: SN_TDRD1	ECOD (1.6)
A	TUDOR	e4b9xA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: TUDOR	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.90	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A	2.30.30.140	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00567	Tudor domain (TUDOR)	Tudor domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TUDOR DOMAIN-CONTAINING PROTEIN 1	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation cellular developmental process cell development cellular process involved in reproduction in multicellular organism cell differentiation anatomical structure development germ cell development developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation cellular developmental process cell development cellular process involved in reproduction in multicellular organism cell differentiation anatomical structure development germ cell development cellular process regulation of cellular process piRNA processing negative regulation of biological process RNA metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process negative regulation of cellular process RNA processing negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process regulatory ncRNA processing regulatory ncRNA-mediated gene silencing regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process meiotic cell cycle cell cycle cellular component organization cellular component biogenesis cellular component assembly chromatin organization chromatin remodeling cellular component organization or biogenesis retrotransposition heterochromatin formation epigenetic regulation of gene expression transposable element silencing by heterochromatin formation heterochromatin organization transposition constitutive heterochromatin formation regulatory ncRNA-mediated heterochromatin formation transposable element silencing by piRNA-mediated DNA methylation DNA methylation-dependent constitutive heterochromatin formation transposable element silencing negative regulation of gene expression, epigenetic gene silencing by piRNA-directed DNA methylation piRNA-mediated heterochromatin formation	intracellular anatomical structure P granule cytoplasmic ribonucleoprotein granule germ plasm intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle pole plasm membraneless organelle cytoplasm supramolecular complex pi-body intracellular anatomical structure P granule cytoplasmic ribonucleoprotein granule germ plasm intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle pole plasm membraneless organelle cytoplasm supramolecular complex pi-body synapse cell junction cytosol protein-containing complex ribonucleoprotein complex chromatoid body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002893	Zinc finger, MYND-type	Domain
A	IPR047378	Tudor domain-containing protein 1, third Tudor domain	Domain
A	IPR002999	Tudor domain	Domain
A	IPR047376	Tudor domain-containing protein 1, first Tudor domain	Domain
A	IPR035437	SNase-like, OB-fold superfamily	Homologous Superfamily
A	IPR047377	Tudor domain-containing protein 1, second Tudor domain	Domain
A	IPR050621	Tudor domain-containing	Family

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.