Annotations: 6S2T

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HD_4	e6s2tA1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD_4	ECOD (1.6)
A	RelA_SpoT	e6s2tA2	A: a+b three layers	X: Nucleotidyltransferase-like	H: Nucleotidyltransferase (From Topology)	T: Nucleotidyltransferase	F: RelA_SpoT	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (utative)
A	3.30.460.10	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13328	HD domain (HD_4)	HD domain	-	Family
A	PF04607	Region found in RelA / SpoT proteins (RelA_SpoT)	Region found in RelA / SpoT proteins	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	(P)ppGpp synthetase I, SpoT/RelA	binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	nucleoside phosphate metabolic process ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process purine ribonucleoside bisphosphate metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process guanosine tetraphosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process organophosphate metabolic process nucleoside phosphate metabolic process ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process purine ribonucleoside bisphosphate metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process guanosine tetraphosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process metabolic process cellular process small molecule metabolic process purine ribonucleotide metabolic process phosphorus metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003607	HD/PDEase domain	Domain
A	IPR012676	TGS-like	Homologous Superfamily
A	IPR004095	TGS	Domain
A	IPR045865	ACT-like domain	Homologous Superfamily
A	IPR002912	ACT domain	Domain
A	IPR033655	RelA/SpoT, TGS domain	Domain
A	IPR004811	RelA/SpoT family	Family
A	IPR043519	Nucleotidyltransferase superfamily	Homologous Superfamily
A	IPR007685	RelA/SpoT	Domain
A	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily
A	IPR045600	RelA/SpoT, AH and RIS domains	Domain
A	IPR006674	HD domain	Domain

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.