Annotations: 1QU3

INSIGHTS INTO EDITING FROM AN ILE-TRNA SYNTHETASE STRUCTURE WITH TRNA(ILE) AND MUPIROCIN

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth A]	d1qu3a1	All alpha proteins	Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	Isoleucyl-tRNA synthetase (IleRS)	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
B [auth A]	d1qu3a2	All beta proteins	ValRS/IleRS/LeuRS editing domain	ValRS/IleRS/LeuRS editing domain	ValRS/IleRS/LeuRS editing domain	Isoleucyl-tRNA synthetase (IleRS)	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
B [auth A]	d1qu3a3	Alpha and beta proteins (a/b)	Adenine nucleotide alpha hydrolase-like	Nucleotidylyl transferase	Class I aminoacyl-tRNA synthetases (RS), catalytic domain	Isoleucyl-tRNA synthetase (IleRS)	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth A]	SCOP2B Superfamily	Nucleotidylyl transferase	8044204	3001541	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	ValRS/IleRS/LeuRS editing domain	8042502	3001115	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Nucleotidylyl transferase	8044204	3001541	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	8037147	3001786	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)
B [auth A]		e1qu3A3	A: a/b three-layered sandwiches	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: amino-terminal domain of OmpATb	F:	ECOD (v294.1)
B [auth A]	HH_signal	e1qu3A2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: beta-helix of amnionless (AMN) extracellular domain	T: beta-helix of amnionless (AMN) extracellular domain	F: HH_signal	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth A]	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
B [auth A]	3.90.740.10	Alpha Beta	Alpha-Beta Complex	Isoleucyl-tRNA Synthetase	domain 2	CATH (4.3.0)
B [auth A]	1.10.10.830	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Ile-tRNA synthetase CP2 domain-like	CATH (4.3.0)
B [auth A]	1.10.730.10	Mainly Alpha	Orthogonal Bundle	Isoleucyl-tRNA Synthetase	Domain 1	CATH (4.3.0)
B [auth A]	3.30.2320.20	Alpha Beta	2-Layer Sandwich	hypothetical protein PF0899 fold	Class I aminoacyl-tRNA synthetases (RS)	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth T]	ISOLEUCYL-TRNA	-	-	-
B [auth A]	ISOLEUCYL-TRNA SYNTHETASE	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ligase activity, forming carbon-oxygen bonds aminoacyl-tRNA ligase activity isoleucine-tRNA ligase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA catalytic activity ligase activity aminoacyl-tRNA deacylase activity hydrolase activity, acting on ester bonds deacylase activity carboxylic ester hydrolase activity hydrolase activity cation binding transition metal ion binding zinc ion binding metal ion binding RNA binding tRNA binding nucleic acid binding	isoleucyl-tRNA aminoacylation amino acid activation tRNA aminoacylation RNA metabolic process primary metabolic process amino acid metabolic process translation gene expression tRNA aminoacylation for protein translation protein biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process biosynthetic process isoleucyl-tRNA aminoacylation amino acid activation tRNA aminoacylation RNA metabolic process primary metabolic process amino acid metabolic process translation gene expression tRNA aminoacylation for protein translation protein biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process biosynthetic process metabolic process cellular process macromolecule metabolic process protein metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A]	IPR002301	Isoleucine-tRNA ligase	Family
B [auth A]	IPR050081	Isoleucine--tRNA ligase	Family
B [auth A]	IPR023585	Isoleucine-tRNA ligase, type 1	Family
B [auth A]	IPR001412	Aminoacyl-tRNA synthetase, class I, conserved site	Conserved Site
B [auth A]	IPR033708	Isoleucyl tRNA synthetase type 1, anticodon-binding domain	Domain
B [auth A]	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
B [auth A]	IPR010663	Zinc finger, FPG/IleRS-type	Domain
B [auth A]	IPR002300	Aminoacyl-tRNA synthetase, class Ia	Domain
B [auth A]	IPR009008	Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain	Homologous Superfamily
B [auth A]	IPR009080	Aminoacyl-tRNA synthetase, class Ia, anticodon-binding	Homologous Superfamily
B [auth A]	IPR013155	Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase, anticodon-binding	Domain

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