Annotations: 4TOI

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SIS domain/Ribosomal protein S2-like	8063838	3001397	SCOP2B (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	S1_1	e4toiA2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: S1_1	ECOD (1.6)
A	Ribosomal_S2	e4toiA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Ribosomal protein S2/SIS domain (From Topology)	T: Ribosomal protein S2/SIS domain	F: Ribosomal_S2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.10490	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glucose-6-phosphate isomerase like protein	CATH (4.3.0)
A	1.10.287.610	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00318	Ribosomal protein S2 (Ribosomal_S2)	Ribosomal protein S2	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	30S ribosomal protein S2,Ribosomal protein S1	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding structural molecule activity structural constituent of ribosome	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization non-membrane-bounded organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization non-membrane-bounded organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process cytoplasmic translation nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit cellular anatomical entity intracellular organelle ribosomal subunit cytosolic ribosome organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle ribosome cytoplasm cytosol cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit cellular anatomical entity intracellular organelle ribosomal subunit cytosolic ribosome organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle ribosome cytoplasm cytosol non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005706	Small ribosomal subunit protein uS2, bacteria/mitochondria/plastid	Family
A	IPR023591	Small ribosomal subunit protein uS2, flavodoxin-like domain superfamily	Homologous Superfamily
A	IPR018130	Small ribosomal subunit protein uS2, conserved site	Conserved Site
A	IPR001865	Small ribosomal subunit protein uS2	Family

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.