Crystal structure of the chicken isoleucyl-tRNA synthetase 1 (IARS1) UNE-I complexed with glutamyl-tRNA synthetase 1 (EARS1)


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AV-sete7wrsA1 A: alpha arraysX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrelF: V-setECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF23567Isoleucine--tRNA ligase, cytoplasmic, ubiquitin-like (Ubiquitin_IARS1)Isoleucine--tRNA ligase, cytoplasmic, ubiquitin-likeThis domain is found in tandem at the C-terminal end of human Isoleucine--tRNA ligase, cytoplasmic (IARS1) and similar sequences predominantly found in vertebrates. IARS1 catalyses the specific attachment of an amino acid to its cognate tRNA in a 2 s ...This domain is found in tandem at the C-terminal end of human Isoleucine--tRNA ligase, cytoplasmic (IARS1) and similar sequences predominantly found in vertebrates. IARS1 catalyses the specific attachment of an amino acid to its cognate tRNA in a 2 step reaction: the amino acid (AA) is first activated by ATP to form AA-AMP and then transferred to the acceptor end of the tRNA. This domain is predicted to adopt an ubiquitin-like fold.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Isoleucyl-tRNA synthetase
Glutamyl-tRNA synthetase

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR002301Isoleucine-tRNA ligaseFamily
IPR001412Aminoacyl-tRNA synthetase, class I, conserved siteConserved Site
IPR014729Rossmann-like alpha/beta/alpha sandwich foldHomologous Superfamily
IPR002300Aminoacyl-tRNA synthetase, class IaDomain
IPR009008Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domainHomologous Superfamily
IPR033709Isoleucyl tRNA synthetase type 2, anticodon-binding domainDomain
IPR009080Aminoacyl-tRNA synthetase, class Ia, anticodon-bindingHomologous Superfamily
IPR013155Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase, anticodon-bindingDomain
IPR057033Isoleucine--tRNA ligase, cytoplasmic, ubiquitin-like domainDomain
IPR023586Isoleucine-tRNA ligase, type 2Family
IPR045864Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL)Homologous Superfamily
IPR009068uS15/NS1, RNA-binding domain superfamilyHomologous Superfamily
IPR001412Aminoacyl-tRNA synthetase, class I, conserved siteConserved Site
IPR004154Anticodon-bindingDomain
IPR014729Rossmann-like alpha/beta/alpha sandwich foldHomologous Superfamily
IPR006195Aminoacyl-tRNA synthetase, class IIDomain
IPR002314Aminoacyl-tRNA synthetase, class II (G/ P/ S/T)Domain
IPR036621Anticodon-binding domain superfamilyHomologous Superfamily
IPR004499Proline-tRNA ligase, class IIa, archaeal-typeFamily
IPR000738WHEP-TRS domainDomain
IPR004526Glutamyl-tRNA synthetase, archaeal/eukaryotic cytosolicFamily
IPR000924Glutamyl/glutaminyl-tRNA synthetaseFamily
IPR020058Glutamyl/glutaminyl-tRNA synthetase, class Ib, catalytic domainDomain
IPR017449Prolyl-tRNA synthetase, class IIHomologous Superfamily
IPR020056Large ribosomal subunit protein bL25/Gln-tRNA synthetase, N-terminalHomologous Superfamily
IPR049437tRNA synthetases class I (E and Q), anti-codon binding domainDomain
IPR020059Glutamyl/glutaminyl-tRNA synthetase, class Ib, anti-codon binding domainDomain
IPR011035Large ribosomal subunit protein bL25/Gln-tRNA synthetase, anti-codon-binding domain superfamilyHomologous Superfamily
IPR033721Prolyl-tRNA synthetase, catalytic domainDomain
IPR036282Glutathione S-transferase, C-terminal domain superfamilyHomologous Superfamily
IPR016061Proline-tRNA ligase, class II, C-terminalDomain