Annotations: 1H3D

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1h3da1	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	ATP phosphoribosyltransferase (ATP-PRTase, HisG), catalytic domain	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d1h3da2	Alpha and beta proteins (a+b)	Ferredoxin-like	GlnB-like	ATP phosphoribosyltransferase (ATP-PRTase, HisG), regulatory C-terminal domain	ATP phosphoribosyltransferase (ATP-PRTase, HisG), regulatory C-terminal domain	(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	SCOP2 Family	Phosphate binding protein-like	8023437	4000229	SCOP2 (2022-06-29)
A	SCOP2 Family	ATP phosphoribosyltransferase (ATP-PRTase, HisG), regulatory C-terminal domain	8023440	4003656	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Type 2 solute binding protein-like	8035817	3000083	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	GlnB-like	8035820	3001165	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		e1h3dA1	A: Alpha-beta plaits	X: GlnB-like	H: GlnB-like	T: HisG_C	F:	ECOD (20:10:01)
A		e1h3dA3	A: Alpha-beta plaits	X: Protease propeptides/inhibitors	H: Protease propeptides/inhibitors	T: LysR_substrate	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	3.30.70.120	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01634	ATP phosphoribosyltransferase (HisG)	ATP phosphoribosyltransferase	-	Family
A	PF08029	HisG, C-terminal domain (HisG_C)	HisG, C-terminal domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ATP-PHOSPHORIBOSYLTRANSFERASE	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding pentosyltransferase activity glycosyltransferase activity ATP phosphoribosyltransferase activity transferase activity catalytic activity	oxoacid metabolic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process aromatic amino acid metabolic process aromatic amino acid family biosynthetic process L-histidine metabolic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process oxoacid metabolic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process aromatic amino acid metabolic process aromatic amino acid family biosynthetic process L-histidine metabolic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process L-amino acid biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process biosynthetic process L-histidine biosynthetic process proteinogenic amino acid biosynthetic process metabolic process cellular process alpha-amino acid biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR015867	Nitrogen regulatory protein PII/ATP phosphoribosyltransferase, C-terminal	Homologous Superfamily
A	IPR013820	ATP phosphoribosyltransferase, catalytic domain	Domain
A	IPR011322	Nitrogen regulatory PII-like, alpha/beta	Homologous Superfamily
A	IPR020621	ATP phosphoribosyltransferase HisG, long form	Family
A	IPR018198	ATP phosphoribosyltransferase, conserved site	Conserved Site
A	IPR013115	Histidine biosynthesis HisG, C-terminal	Domain
A	IPR001348	ATP phosphoribosyltransferase HisG	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.