Annotations: 4YBG

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribosom_S12_S23	e4ybgA1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: Three-helical HTH	F: Ribosom_S12_S23	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13017	piRNA pathway germ-plasm component (Maelstrom)	piRNA pathway germ-plasm component	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Protein maelstrom	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process developmental process multicellular organism development multicellular organismal process dorsal/ventral pattern formation dorsal/ventral axis specification anatomical structure development pattern specification process axis specification regionalization oocyte dorsal/ventral axis specification sexual reproduction cellular developmental process reproductive process cell development cellular process involved in reproduction in multicellular organism developmental process involved in reproduction female gamete generation gamete generation oocyte development localization oocyte nucleus localization involved in oocyte dorsal/ventral axis specification cell differentiation organelle localization cell maturation oocyte axis specification oocyte construction multicellular organismal reproductive process oogenesis nucleus localization developmental maturation anatomical structure maturation germ cell development oocyte differentiation spermatogenesis male gamete generation germ-line stem cell population maintenance maintenance of cell number stem cell population maintenance miRNA metabolic process organelle fission meiotic cell cycle male meiotic nuclear division meiotic cell cycle process cellular component organization nuclear division organelle organization meiotic nuclear division cellular component organization or biogenesis cell cycle cell cycle process cellular component biogenesis cellular component assembly chromatin organization chromatin remodeling retrotransposition heterochromatin formation epigenetic regulation of gene expression transposable element silencing by piRNA-mediated heterochromatin formation transposable element silencing by heterochromatin formation heterochromatin organization transposition regulatory ncRNA-mediated gene silencing negative regulation of gene expression constitutive heterochromatin formation regulatory ncRNA-mediated heterochromatin formation transposable element silencing piRNA-mediated heterochromatin formation negative regulation of gene expression, epigenetic cytoskeleton organization microtubule organizing center organization microtubule cytoskeleton organization microtubule-based process macromolecule localization intracellular mRNA localization RNA localization cellular component assembly involved in morphogenesis egg chorion assembly anatomical structure morphogenesis cellular anatomical entity morphogenesis anatomical structure formation involved in morphogenesis dorsal appendage formation external encapsulating structure organization oocyte fate commitment cell fate commitment regulation of miRNA-mediated gene silencing post-transcriptional regulation of gene expression regulation of gene silencing by regulatory ncRNA regulation of post-transcriptional gene silencing by regulatory ncRNA regulatory ncRNA-mediated post-transcriptional gene silencing miRNA-mediated post-transcriptional gene silencing regulation of post-transcriptional gene silencing post-transcriptional gene silencing piRNA processing RNA processing regulatory ncRNA processing transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II establishment or maintenance of cell polarity establishment or maintenance of microtubule cytoskeleton polarity establishment or maintenance of cytoskeleton polarity oocyte microtubule cytoskeleton organization regulation of localization blastoderm segmentation anterior/posterior pattern specification anterior/posterior axis specification, embryo pole plasm oskar mRNA localization pole plasm mRNA localization pole plasm RNA localization embryonic pattern specification regulation of intracellular mRNA localization oocyte anterior/posterior axis specification cytoplasm organization maternal determination of anterior/posterior axis, embryo intracellular mRNA localization involved in anterior/posterior axis specification segmentation embryo development tripartite regional subdivision embryonic axis specification regulation of pole plasm oskar mRNA localization anterior/posterior axis specification pole plasm assembly intracellular mRNA localization involved in pattern specification process intracellular protein localization	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 perinuclear region of cytoplasm 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 perinuclear region of cytoplasm membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039259	Protein maelstrom	Family
A	IPR024970	Maelstrom domain	Domain
A	IPR036910	High mobility group box domain superfamily	Homologous Superfamily

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.