Annotations: 4U6N

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4u6na1	Alpha and beta proteins (a/b)	SIS domain	SIS domain	mono-SIS domain	automated matches	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d4u6na2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

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	8088710	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	PF13580	e4u6nA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Ribosomal protein S2/SIS domain (From Topology)	T: Ribosomal protein S2/SIS domain	F: PF13580	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13580	SIS domain (SIS_2)	SIS domain	SIS (Sugar ISomerase) domains are found in many phosphosugar isomerases and phosphosugar binding proteins. SIS domains are also found in proteins that regulate the expression of genes involved in synthesis of phosphosugars.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DnaA initiator-associating protein DiaA	binding carbohydrate derivative binding identical protein binding protein binding protein homodimerization activity protein dimerization activity	nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process regulation of DNA-templated DNA replication initiation positive regulation of DNA replication positive regulation of biological process regulation of primary metabolic process positive regulation of metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process regulation of DNA-templated DNA replication initiation positive regulation of DNA replication positive regulation of biological process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process DNA-templated DNA replication regulation of biological process positive regulation of nucleobase-containing compound metabolic process DNA replication initiation biological regulation regulation of macromolecule metabolic process positive regulation of DNA metabolic process regulation of DNA-templated DNA replication positive regulation of DNA-templated DNA replication regulation of metabolic process positive regulation of DNA-templated DNA replication initiation regulation of DNA replication regulation of DNA metabolic process carbohydrate derivative metabolic process	primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex DnaA-DiaA complex chromosome cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle replication fork replisome non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR046348	SIS domain superfamily	Homologous Superfamily
A	IPR023070	DnaA initiator-associating protein	Family
A	IPR001347	SIS domain	Domain
A	IPR035461	GmhA/DiaA	Family

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 R01GM133198.