Annotations: 2RQL

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2rqla_	Alpha and beta proteins (a+b)	Ribosome binding protein Y (YfiA homologue)	Ribosome binding protein Y (YfiA homologue)	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	YfiA-like	8076000	4003461	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	YfiA/CsgE-like	8076001	3000912	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribosomal_S30AE	e2rqlA1	A: a+b two layers	X: dsRBD-like	H: Ribosome binding protein Y (YfiA homologue) (From Topology)	T: Ribosome binding protein Y (YfiA homologue)	F: Ribosomal_S30AE	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.160.100	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Ribosome hibernation promotion factor-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02482	Sigma 54 modulation protein / S30EA ribosomal protein (Ribosomal_S30AE)	Sigma 54 modulation protein / S30EA ribosomal protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Probable sigma-54 modulation protein	ribonucleoprotein complex binding protein-containing complex binding binding ribosomal small subunit binding ribosome binding	primary metabolic process metabolic process regulation of cellular process cellular biosynthetic process organonitrogen compound biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process post-transcriptional regulation of gene expression negative regulation of translation organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process protein metabolic process primary metabolic process metabolic process regulation of cellular process cellular biosynthetic process organonitrogen compound biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process post-transcriptional regulation of gene expression negative regulation of translation organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process organonitrogen compound metabolic process cellular metabolic process regulation of protein metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process regulation of translation negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process cellular process macromolecule metabolic process regulation of metabolic process regulation of translational elongation negative regulation of translational elongation translational elongation developmental process dormancy process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cytosolic small ribosomal subunit protein-containing complex small ribosomal subunit intracellular organelle ribosomal subunit cytosolic ribosome organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle ribosome intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cytosolic small ribosomal subunit protein-containing complex small ribosomal subunit intracellular organelle ribosomal subunit cytosolic ribosome organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle ribosome non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003489	Ribosome hibernation promoting factor/RaiA	Family
A	IPR036567	Ribosome hibernation promotion factor-like	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.