Annotations: 1K8H

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1k8ha_	All beta proteins	Small protein B (SmpB)	Small protein B (SmpB)	Small protein B (SmpB)	Small protein B (SmpB)	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Small protein B (SmpB)	8027719	4002211	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Small protein B (SmpB)	8040098	3000956	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	SmpB	e1k8hA1	A: beta barrels	X: OB-fold	H: Small protein B (SmpB) (From Topology)	T: Small protein B (SmpB)	F: SmpB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.280.10	Mainly Beta	Beta Barrel	Small Protein B	Chain: A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01668	SmpB protein (SmpB)	SmpB protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Small protein B	RNA binding binding organic cyclic compound binding nucleic acid binding	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 trans-translation translational elongation organic substance biosynthetic process metabolic process 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 trans-translation translational elongation organic substance biosynthetic process metabolic process cellular process macromolecule metabolic process protein metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR020081	SsrA-binding protein, conserved site	Conserved Site
A	IPR023620	Small protein B	Homologous Superfamily
A	IPR000037	SsrA-binding protein	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.