Annotations: 4Q5W

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e4q5wA1	A: beta barrels	X: OB-fold	H: Staphylococcal nuclease (From Topology)	T: Staphylococcal nuclease	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF00567	e4q5wA2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF00567	ECOD (1.6)
B	F_UNCLASSIFIED	e4q5wB2	A: beta barrels	X: OB-fold	H: Staphylococcal nuclease (From Topology)	T: Staphylococcal nuclease	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF00567	e4q5wB1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF00567	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.140	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
B	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, B	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, B	Maternal protein tudor	protein binding binding modification-dependent protein binding methylation-dependent protein 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 pole cell development cell differentiation anatomical structure development cellular process 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 pole cell development cell differentiation anatomical structure development cellular process regulation of cellular process cellular biosynthetic process negative regulation of biological process positive regulation of biological process negative regulation of cellular metabolic process positive regulation of post-transcriptional gene silencing post-transcriptional regulation of gene expression organic substance metabolic process regulation of gene silencing by regulatory ncRNA organic substance biosynthetic process negative regulation of cellular process positive regulation of post-transcriptional gene silencing by RNA regulation of post-transcriptional gene silencing by regulatory ncRNA negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulatory ncRNA-mediated post-transcriptional gene silencing negative regulation of cellular biosynthetic process regulatory ncRNA-mediated gene silencing regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process regulation of post-transcriptional gene silencing negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process post-transcriptional gene silencing regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process localization cellular localization cellular macromolecule localization macromolecule localization intracellular mRNA localization RNA localization oogenesis cellular process involved in reproduction in multicellular organism female gamete generation germ cell development multicellular organismal process blastoderm segmentation anterior/posterior pattern specification anterior/posterior axis specification, embryo oocyte development cellular component biogenesis multicellular organism development cellular component assembly cell maturation P granule organization embryonic pattern specification oocyte anterior/posterior axis specification developmental maturation cytoplasm organization anatomical structure maturation maternal determination of anterior/posterior axis, embryo axis specification non-membrane-bounded organelle assembly segmentation pattern specification process embryo development tripartite regional subdivision cellular component organization embryonic axis specification P granule assembly anterior/posterior axis specification cellular component organization or biogenesis organelle assembly oocyte axis specification oocyte construction regionalization organelle organization pole plasm assembly oocyte differentiation piRNA processing RNA metabolic process nucleobase-containing compound metabolic process RNA processing secondary piRNA processing primary metabolic process nucleic acid metabolic process regulatory ncRNA processing organic cyclic compound metabolic process cellularization pole cell formation anatomical structure morphogenesis anatomical structure formation involved in morphogenesis	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle P granule cytoplasmic ribonucleoprotein granule germ plasm ribonucleoprotein granule pole plasm intracellular non-membrane-bounded organelle membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle P granule cytoplasmic ribonucleoprotein granule germ plasm ribonucleoprotein granule pole plasm intracellular non-membrane-bounded organelle supramolecular complex non-membrane-bounded organelle cytosol nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002999	Tudor domain	Domain
A, B	IPR035437	SNase-like, OB-fold superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.