Annotations: 7Z6R

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Type 2 solute binding protein-like	8082639	3000083	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Type 2 solute binding protein-like	8082639	3000083	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	tRNA-synt_His	e7z6rA1	A: a+b three layers	X: Class II aaRS and biotin synthetases (From Topology)	H: Class II aaRS and biotin synthetases (From Topology)	T: Class II aaRS and biotin synthetases	F: tRNA-synt_His	ECOD (1.6)
A	F_UNCLASSIFIED	e7z6rA2	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS (From Topology)	H: Anticodon-binding domain of Class II aaRS (From Topology)	T: Anticodon-binding domain of Class II aaRS	F: F_UNCLASSIFIED	ECOD (1.6)
B	tRNA-synt_His	e7z6rB2	A: a+b three layers	X: Class II aaRS and biotin synthetases (From Topology)	H: Class II aaRS and biotin synthetases (From Topology)	T: Class II aaRS and biotin synthetases	F: tRNA-synt_His	ECOD (1.6)
B	F_UNCLASSIFIED	e7z6rB1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS (From Topology)	H: Anticodon-binding domain of Class II aaRS (From Topology)	T: Anticodon-binding domain of Class II aaRS	F: F_UNCLASSIFIED	ECOD (1.6)
C	HisG_N2	e7z6rC1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: HisG_N2	ECOD (1.6)
C	HisG_N1	e7z6rC2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: HisG_N1	ECOD (1.6)
D	HisG_N2	e7z6rD1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: HisG_N2	ECOD (1.6)
D	HisG_N1	e7z6rD2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: HisG_N1	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13393	Histidyl-tRNA synthetase (tRNA-synt_His)	Histidyl-tRNA synthetase	This is a family of class II aminoacyl-tRNA synthetase-like and ATP phosphoribosyltransferase regulatory subunits.	Domain
C, D	PF01634	ATP phosphoribosyltransferase (HisG)	ATP phosphoribosyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ATP phosphoribosyltransferase regulatory subunit	ligase activity, forming carbon-oxygen bonds aminoacyl-tRNA ligase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA histidine-tRNA ligase activity catalytic activity ligase activity	amino acid biosynthetic process biosynthetic process amino acid metabolic process primary metabolic process metabolic process amino acid activation organonitrogen compound metabolic process tRNA aminoacylation cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process RNA metabolic process translation gene expression amino acid biosynthetic process biosynthetic process amino acid metabolic process primary metabolic process metabolic process amino acid activation organonitrogen compound metabolic process tRNA aminoacylation cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process RNA metabolic process translation gene expression tRNA aminoacylation for protein translation macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process cellular process macromolecule metabolic process protein metabolic process histidyl-tRNA aminoacylation oxoacid metabolic process organic acid biosynthetic process organic acid metabolic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process aromatic amino acid family biosynthetic process aromatic amino acid metabolic process small molecule biosynthetic process L-histidine metabolic process carboxylic acid metabolic process L-amino acid biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process L-histidine biosynthetic process proteinogenic amino acid biosynthetic process alpha-amino acid biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity
C, D	ATP phosphoribosyltransferase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pentosyltransferase activity glycosyltransferase activity ATP phosphoribosyltransferase activity transferase activity catalytic activity	amino acid biosynthetic process biosynthetic process amino acid metabolic process primary metabolic process metabolic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process organic acid biosynthetic process organic acid metabolic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process amino acid biosynthetic process biosynthetic process amino acid metabolic process primary metabolic process metabolic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process organic acid biosynthetic process organic acid metabolic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process organonitrogen compound metabolic process aromatic amino acid family biosynthetic process aromatic amino acid metabolic process small molecule biosynthetic process L-histidine metabolic process cellular metabolic process carboxylic acid metabolic process L-amino acid biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process L-histidine biosynthetic process proteinogenic amino acid biosynthetic process cellular process alpha-amino acid biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004517	ATP phosphoribosyltransferase regulatory subunit	Family
A, B	IPR045864	Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL)	Homologous Superfamily
A, B	IPR041715	Class II Histidinyl-tRNA synthetase (HisRS)-like catalytic core domain	Domain
A, B	IPR004516	Histidine-tRNA ligase/ATP phosphoribosyltransferase regulatory subunit	Family
C, D	IPR013820	ATP phosphoribosyltransferase, catalytic domain	Domain
C, D	IPR018198	ATP phosphoribosyltransferase, conserved site	Conserved Site
C, D	IPR001348	ATP phosphoribosyltransferase HisG	Family
C, D	IPR024893	ATP phosphoribosyltransferase HisG, short form	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.