8I2M

The crystal structure of homodimeric E. coli tryptophanyl-tRNA synthetase bound with niraparib at one of its two active sites

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00579	e8i2mA1	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: PF00579	ECOD (1.6)
B	PF00579	e8i2mB1	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: PF00579	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00579	tRNA synthetases class I (W and Y) (tRNA-synt_1b)	tRNA synthetases class I (W and Y)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Tryptophan--tRNA ligase	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 ligase activity, forming carbon-oxygen bonds aminoacyl-tRNA ligase activity catalytic activity, acting on RNA tryptophan-tRNA ligase activity catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA catalytic activity ligase activity	amino acid activation tRNA aminoacylation cellular biosynthetic process organonitrogen compound biosynthetic process RNA metabolic process amino acid metabolic process nucleobase-containing compound metabolic process organic substance metabolic process tryptophanyl-tRNA aminoacylation organic substance biosynthetic process protein metabolic process organonitrogen compound metabolic process cellular metabolic process primary metabolic process amino acid activation tRNA aminoacylation cellular biosynthetic process organonitrogen compound biosynthetic process RNA metabolic process amino acid metabolic process nucleobase-containing compound metabolic process organic substance metabolic process tryptophanyl-tRNA aminoacylation organic substance biosynthetic process protein metabolic process organonitrogen compound metabolic process cellular metabolic process primary metabolic process translation gene expression tRNA aminoacylation for protein translation macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process organic cyclic compound metabolic process biosynthetic process metabolic process cellular process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002305	Aminoacyl-tRNA synthetase, class Ic	Family
A, B	IPR024109	Tryptophan-tRNA ligase, bacterial-type	Family
A, B	IPR001412	Aminoacyl-tRNA synthetase, class I, conserved site	Conserved Site
A, B	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
A, B	IPR002306	Tryptophan-tRNA ligase	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.