Annotations: 6I5Y

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nucleotidylyl transferase	8096790	3001541	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nucleotidylyl transferase	8096790	3001541	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	S4_3	e6i5yA2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Alpha-L RNA-binding motif	F: S4_3	ECOD (1.6)
A	tRNA-synt_1b_1	e6i5yA1	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: tRNA-synt_1b_1	ECOD (1.6)
B	S4_3	e6i5yB2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Alpha-L RNA-binding motif	F: S4_3	ECOD (1.6)
B	tRNA-synt_1b_1	e6i5yB1	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: tRNA-synt_1b_1	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF22421	Tyrosine--tRNA ligase SYY-like C-terminal domain (SYY_C-terminal)	Tyrosine--tRNA ligase SYY-like C-terminal domain	This entry represents the C-terminal domain of Tyrosine--tRNA ligases which contains the S4 motif that binds RNA [1-5].	Domain
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	Tyrosine--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 tyrosine-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 identical protein binding protein binding protein homodimerization activity protein dimerization activity RNA binding nucleic acid binding	amino acid activation tRNA aminoacylation RNA metabolic process primary metabolic process amino acid metabolic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process metabolic process cellular process macromolecule metabolic process tyrosyl-tRNA aminoacylation translation gene expression amino acid activation tRNA aminoacylation RNA metabolic process primary metabolic process amino acid metabolic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process metabolic process cellular process macromolecule metabolic process tyrosyl-tRNA aminoacylation translation gene expression tRNA aminoacylation for protein translation macromolecule biosynthetic process biosynthetic process protein metabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002942	RNA-binding S4 domain	Domain
A, B	IPR024107	Tyrosine-tRNA ligase, bacterial-type, type 1	Family
A, B	IPR054608	Tyrosine--tRNA ligase SYY-like, C-terminal domain	Domain
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	IPR002307	Tyrosine-tRNA ligase	Family
A, B	IPR002305	Aminoacyl-tRNA synthetase, class Ic	Family
A, B	IPR024088	Tyrosine-tRNA ligase, bacterial-type	Family
A, B	IPR036986	RNA-binding S4 domain superfamily	Homologous Superfamily

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.